DQRs for Session: 135270 User:mannyhCompleted: 06-02-2011

Data Quality Reports for Session: 135270 User: mannyh Completed: 06/02/2011

TABLE OF CONTENTS

DQR ID	Subject	Data Streams Affected
D001011.17	SGP/TWR/C1 - SE-side RH and Vapor Pressure	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
D001207.17	SGP/TWR/C1 - SE-side 25m Incorrect	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
D001207.20	SGP/TWR/C1 - SE-side 25m data incorrect	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
D001207.23	SGP/TWR/C1 - SE-side 60m data incorrect	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
D020313.1	SGP/THWAPS/C1 - THWAPS C1 miscalibrated	sgpthwapsC1.a1, sgpthwapsC1.b1
D021105.2	SGP/TWR/C1 - SE-side 60m RH and VP Biased High	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
D030110.7	SGP/TWR/C1 - Tower 60m SE Temperature Flat	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
D030917.21	SGP/THWAPS/B1/B5/B6/C1 - Missing data due to Ice storm and clock problems	sgpthwapsB1.00, sgpthwapsB1.a1, sgpthwapsB1.b1, sgpthwapsB5.00, sgpthwapsB5.a1, sgpthwapsB5.b1, sgpthwapsB6.00, sgpthwapsB6.a1, sgpthwapsB6.b1, sgpthwapsC1.00, sgpthwapsC1.a1, sgpthwapsC1.b1
D040225.10	SGP/TWR/C1 - Temperature Sensor Not Connected to Datalogger	sgp1twr10xC1.b1, sgp30twr10xC1.b1
D040304.30	SGP/TWR/C1 - Southeast Side RH Too Large	sgp1twr10xC1.b1, sgp30twr10xC1.b1
D040830.4	SGP/TWR/C1 - Tower SE-side lowered for maintenance	sgp1twr10xC1.b1, sgp30twr10xC1.b1
D041123.1	SGP/THWAPS/C1 - RH Sensor Calibration	sgpthwapsC1.b1
D050812.10	SGP/THWAPS/C1 - Minor bias in humidity	sgpthwapsC1.a1, sgpthwapsC1.b1
D050812.12	SGP/THWAPS/C1 - Minor bias in saturation vapor pressure	sgpthwapsC1.b1
D070613.2	SGP/RAIN/C1 - Funnel clogged	sgprainC1.b1
D071217.2	SGP/TWR/C1 - Southeast Side (10X) Temperature and RH Spikes	sgp1twr10xC1.b1, sgp30twr10xC1.b1
D080116.24	SGP/THWAPS/C1 - RH Data Incorrect	sgpthwapsC1.b1
D080307.1	SGP/ORG/C1 - Frost on lens	sgporgC1.b1
D080321.1	SGP/ORG/C1 - Lens heater failure	sgporgC1.b1
D080905.3	SGP/ORG/C1 - Erroneous precipitation observations	sgporgC1.b1
D090211.2	SGP/THWAPS/C1 - Barometer intermittent	sgpthwapsC1.b1
D090223.6	SGP/ORG/C1 - False precip measurements	sgporgC1.b1
D090306.1	SGP/THWAPS/C1 - Time stamp of data record incorrect	sgpthwapsC1.b1
D090824.2	SGP/THWAPS/C1 - Wind speed incorrect	sgpthwapsC1.b1
D091104.1	SGP/ORG/C1 - False reports of precip	sgporgC1.b1
D100301.1	SGP/ORG/C1 - Incorrect precipitation	sgporgC1.b1
D100312.1	SGP/ORG/C1 - Snow falsely identified as rain	sgporgC1.b1
D110405.2	SGP/ORG/C1 - Failure to detect rain	sgporgC1.b1
D971027.4	SGP/TWR/C1 - SE 25m RH Incorrect	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
D980513.3	SGP/TWR/C1 - SE-side RH Probe Poor Connection	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
D980528.11	SGP/TWR/C1 - Tower SE-side lowered for maintenance	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
D990421.1	SGP/TWR/C1 - Missing data	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
D991008.1	SGP/THWAPS - RH values low by factor of 1.1	sgpthwapsC1.00, sgpthwapsC1.a1, sgpthwapsC1.b1, DsgpthwapsC1.a1, DsgpthwapsC1.b1
D991117.1	SGP/TWR/C1 - SE side power low	sgp1twr10xC1.b1, sgp30twr10xC1.b1
D991201.1	SGP/TWR - CF Tower SE Side T/RH Incorrect	sgp1twr10xC1.b1, sgp30twr10xC1.b1
D991201.2	SGP/TWR - CF Tower SE Side T/RH Incorrect	sgp1twr10xC1.b1, sgp30twr10xC1.b1
D991202.6	SGP/TWR/C1 - SE side 60m temp incorrect	sgp1twr10xC1.b1, sgp30twr10xC1.b1

DQRID : D001011.17

Start Date	Start Time	End Date	End Time
09/19/2000	1852	09/21/2000	1803

Subject:	SGP/TWR/C1 - SE-side RH and Vapor Pressure
DataStreams:	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
Description:	The RH and vapor pressure measurements are incorrect.
Measurements:	sgp30twr10xC1.a1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_rh_25m sd_vap_pres_25m sd_rh_60m sgp1twr10xC1.a1: Humidity, relative, 60-m height, 30-min intervals(rh_60m) Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sgp1twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) sgp30twr10xC1.b1: sd_vap_pres_25m Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) sd_rh_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_rh_60m sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D001207.17

Start Date	Start Time	End Date	End Time
10/20/2000	1151	10/30/2000	1804

Subject:	SGP/TWR/C1 - SE-side 25m Incorrect
DataStreams:	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
Description:	Data for the 25m level was incorrect.
Measurements:	sgp30twr10xC1.a1: Humidity, relative, 25-m height, 30-min intervals(rh_25m) sd_temp_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) sd_rh_25m sd_vap_pres_25m sgp1twr10xC1.a1: Humidity, relative, 25-m height, 30-min intervals(rh_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sgp1twr10xC1.b1: Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) sgp30twr10xC1.b1: sd_vap_pres_25m sd_rh_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_temp_25m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m)

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DQRID : D001207.20

Start Date	Start Time	End Date	End Time
10/30/2000	1806	11/09/2000	2243

Subject:	SGP/TWR/C1 - SE-side 25m data incorrect
DataStreams:	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
Description:	The 25m level data was incorrect because of damage to and then repairs to the SE elevator 25m connection.
Measurements:	sgp30twr10xC1.a1: Humidity, relative, 25-m height, 30-min intervals(rh_25m) sd_temp_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) sd_rh_25m sd_vap_pres_25m sgp1twr10xC1.a1: Humidity, relative, 25-m height, 30-min intervals(rh_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sgp1twr10xC1.b1: Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) sgp30twr10xC1.b1: sd_vap_pres_25m sd_rh_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_temp_25m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m)

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DQRID : D001207.23

Start Date	Start Time	End Date	End Time
11/07/2000	1500	11/09/2000	2243

Subject:	SGP/TWR/C1 - SE-side 60m data incorrect
DataStreams:	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
Description:	SE-side 60m level data were incorrect during elevator repair.
Measurements:	sgp30twr10xC1.a1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) sd_vap_pres_60m Temperature, air, 60-m height, 30-min intervals(temp_60m) sd_temp_60m sd_rh_60m sgp1twr10xC1.a1: Humidity, relative, 60-m height, 30-min intervals(rh_60m) Temperature, air, 60-m height, 30-min intervals(temp_60m) Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) sgp1twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sgp30twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sd_rh_60m sd_temp_60m sd_vap_pres_60m Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D020313.1

Start Date	Start Time	End Date	End Time
03/09/2002	0340	04/23/2002	1418

Subject:	SGP/THWAPS/C1 - THWAPS C1 miscalibrated
DataStreams:	sgpthwapsC1.a1, sgpthwapsC1.b1
Description:	Power outages apparently led to the THWAPS HMP233 temperature and RH sensor being replaced at C1. The power went out at 0340 on 3/9 was restored at 0635 and went out again at 2025. The new HMP233 appears to be incorrectly calibrated and all temperature data since its installation are wrong. If I am correct about the nature of the calibration problem, the true average temperature can be recovered from that recorded by a linear conversion, but I don't think its worth the trouble.
Measurements:	sgpthwapsC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres) Humidity, relative, 30-min intervals, standard deviation(sd_rh) Temperature, air, 30-min intervals, standard deviation(sd_temp) Temperature, air(temp) Humidity, relative(rh) sgpthwapsC1.a1: Temperature, air, 30-min intervals, standard deviation(sd_temp) Humidity, relative, 30-min intervals, standard deviation(sd_rh) Humidity, relative(rh) Pressure, vapor, 60-m height, 30-min intervals(vap_pres) Temperature, air(temp)

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DQRID : D021105.2

Start Date	Start Time	End Date	End Time
08/02/2002	1913	10/25/2002	1806

Subject:	SGP/TWR/C1 - SE-side 60m RH and VP Biased High
DataStreams:	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
Description:	The 60m SE-side RH was biased high when RH was > 65%. At saturation the 60m RH was sometimes higher than the West-side measurement by 7%.
Measurements:	sgp30twr10xC1.a1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) sd_vap_pres_60m sd_rh_60m sgp1twr10xC1.a1: Humidity, relative, 60-m height, 30-min intervals(rh_60m) Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) sgp1twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) sgp30twr10xC1.b1: sd_rh_60m sd_vap_pres_60m Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D030110.7

Start Date	Start Time	End Date	End Time
12/09/2002	0409	12/09/2002	0456
12/09/2002	0641	12/09/2002	0655
12/09/2002	1224	12/09/2002	1256
12/10/2002	0408	12/10/2002	0700
12/10/2002	0805	12/10/2002	0858
12/20/2002	1222	12/20/2002	1311
12/21/2002	0057	12/21/2002	0132
12/24/2002	0422	12/24/2002	0714
12/24/2002	1331	12/24/2002	1425
12/25/2002	2106	12/25/2002	2218
12/26/2002	1801	12/26/2002	1826
12/29/2002	0334	12/29/2002	0440
12/29/2002	0455	12/29/2002	0528
12/29/2002	0551	12/29/2002	0610
01/02/2003	1214	01/02/2003	1245
01/03/2003	0819	01/03/2003	1338

Subject:	SGP/TWR/C1 - Tower 60m SE Temperature Flat
DataStreams:	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
Description:	During these periods the Southeast side 60 m Temperature was unchanging (flat). This can occur for several consecutive minutes, but not for as long as occurred here. Therefore the Temperature and Vapor Pressure measurements are suspect.
Measurements:	sgp30twr10xC1.a1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) sd_vap_pres_60m sd_rh_60m sgp1twr10xC1.a1: Humidity, relative, 60-m height, 30-min intervals(rh_60m) Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) sgp1twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) sgp30twr10xC1.b1: sd_rh_60m sd_vap_pres_60m Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D030917.21

Start Date	Start Time	End Date	End Time
03/09/2002	2055	03/11/2002	2005
03/13/2002	1755	03/14/2002	1505

Subject:	SGP/THWAPS/B1/B5/B6/C1 - Missing data due to Ice storm and clock problems
DataStreams:	sgpthwapsB1.00, sgpthwapsB1.a1, sgpthwapsB1.b1, sgpthwapsB5.00, sgpthwapsB5.a1, sgpthwapsB5.b1, sgpthwapsB6.00, sgpthwapsB6.a1, sgpthwapsB6.b1, sgpthwapsC1.00, sgpthwapsC1.a1, sgpthwapsC1.b1
Description:	Data are missing due to power failures caused by an ice storm and resulting system/instrument clock problems.
Measurements:	sgpthwapsC1.b1: alt Mean Wind Speed(wspd) lon base_time Humidity, relative, 30-min intervals, standard deviation(sd_rh) Temperature, air(temp) Unit Vector Wind Direction(wdir) time_offset sd_vap_pres sd_wdir Pressure, atmospheric, constant value of model level, RUC model output(pres) sd_pres Humidity, relative(rh) vbat Temperature, air, 30-min intervals, standard deviation(sd_temp) Pressure, vapor, 60-m height, 30-min intervals(vap_pres) lat sgpthwapsB5.00: Raw data stream - documentation not supported sgpthwapsC1.a1: Temperature, air, 30-min intervals, standard deviation(sd_temp) Temperature, air(temp) sd_vap_pres vbat lon alt time_offset Humidity, relative(rh) base_time sd_wdir Pressure, vapor, 60-m height, 30-min intervals(vap_pres) sd_pres Unit Vector Wind Direction(wdir) Humidity, relative, 30-min intervals, standard deviation(sd_rh) lat Mean Wind Speed(wspd) Pressure, atmospheric, constant value of model level, RUC model output(pres) sgpthwapsB6.a1: sd_wdir sd_pres Mean Wind Speed(wspd) base_time lon Humidity, relative, 30-min intervals, standard deviation(sd_rh) vbat Temperature, air(temp) Unit Vector Wind Direction(wdir) Pressure, atmospheric, constant value of model level, RUC model output(pres) Pressure, vapor, 60-m height, 30-min intervals(vap_pres) sd_vap_pres Temperature, air, 30-min intervals, standard deviation(sd_temp) Humidity, relative(rh) lat time_offset alt sgpthwapsC1.00: Raw data stream - documentation not supported sgpthwapsB6.b1: Humidity, relative(rh) base_time sd_pres Humidity, relative, 30-min intervals, standard deviation(sd_rh) vbat Temperature, air, 30-min intervals, standard deviation(sd_temp) sd_wdir Unit Vector Wind Direction(wdir) lon Mean Wind Speed(wspd) Pressure, vapor, 60-m height, 30-min intervals(vap_pres) Pressure, atmospheric, constant value of model level, RUC model output(pres) Temperature, air(temp) time_offset alt sd_vap_pres lat sgpthwapsB1.00: Raw data stream - documentation not supported sgpthwapsB1.b1: Mean Wind Speed(wspd) Pressure, vapor, 60-m height, 30-min intervals(vap_pres) Pressure, atmospheric, constant value of model level, RUC model output(pres) sd_vap_pres lat Humidity, relative(rh) Unit Vector Wind Direction(wdir) Temperature, air(temp) time_offset Temperature, air, 30-min intervals, standard deviation(sd_temp) lon Humidity, relative, 30-min intervals, standard deviation(sd_rh) sd_wdir vbat alt base_time sd_pres sgpthwapsB1.a1: sd_wdir lat Pressure, vapor, 60-m height, 30-min intervals(vap_pres) base_time Humidity, relative(rh) Pressure, atmospheric, constant value of model level, RUC model output(pres) Temperature, air, 30-min intervals, standard deviation(sd_temp) time_offset Temperature, air(temp) sd_pres lon vbat sd_vap_pres Unit Vector Wind Direction(wdir) alt Humidity, relative, 30-min intervals, standard deviation(sd_rh) Mean Wind Speed(wspd) sgpthwapsB6.00: Raw data stream - documentation not supported sgpthwapsB5.a1: lon Mean Wind Speed(wspd) lat Unit Vector Wind Direction(wdir) Humidity, relative(rh) Humidity, relative, 30-min intervals, standard deviation(sd_rh) base_time sd_pres vbat time_offset alt sd_vap_pres Temperature, air(temp) Pressure, vapor, 60-m height, 30-min intervals(vap_pres) sd_wdir Pressure, atmospheric, constant value of model level, RUC model output(pres) Temperature, air, 30-min intervals, standard deviation(sd_temp) sgpthwapsB5.b1: lon sd_pres vbat sd_vap_pres Humidity, relative(rh) Unit Vector Wind Direction(wdir) time_offset Temperature, air, 30-min intervals, standard deviation(sd_temp) Humidity, relative, 30-min intervals, standard deviation(sd_rh) alt Pressure, atmospheric, constant value of model level, RUC model output(pres) lat Pressure, vapor, 60-m height, 30-min intervals(vap_pres) Temperature, air(temp) sd_wdir base_time Mean Wind Speed(wspd)

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DQRID : D040225.10

Start Date	Start Time	End Date	End Time
02/05/2004	1631	02/09/2004	1926

Subject:	SGP/TWR/C1 - Temperature Sensor Not Connected to Datalogger
DataStreams:	sgp1twr10xC1.b1, sgp30twr10xC1.b1
Description:	One of the southeast side 25 m Temperature sensor leads was pulled out from the CR10X datalogger terminal strip.
Measurements:	sgp1twr10xC1.b1: Temperature, air, 25-m height, 30-min intervals(temp_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sgp30twr10xC1.b1: Temperature, air, 25-m height, 30-min intervals(temp_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m)

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DQRID : D040304.30

Start Date	Start Time	End Date	End Time
08/15/2003	1345	02/10/2004	2310

Subject:	SGP/TWR/C1 - Southeast Side RH Too Large
DataStreams:	sgp1twr10xC1.b1, sgp30twr10xC1.b1
Description:	The T/RH probes installed on the 25 m and 60 m levels of the southeast side of the tower on 8/15/03 gave RH readings that were too large for RH above 65%. The difference between the west and southeast side RH was within the combined accuracies of the sensors up to about 80% RH. Above 80% RH the southeast side RH was much larger, with the difference increasing to 10% larger (or more) at 100% RH. The vapor pressure from the southeast side (calculated with RH) was also too large. The probes were replaced on 2/10/04 and the two sides of the tower now agree fairly well, with RH not exceeding 100% during saturation.
Measurements:	sgp1twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sgp30twr10xC1.b1: Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m)

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DQRID : D040830.4

Start Date	Start Time	End Date	End Time
11/19/2003	2104	11/19/2003	2118
12/08/2003	1941	12/09/2003	1422
02/10/2004	1856	02/10/2004	2308
02/13/2004	1751	02/13/2004	2138
02/20/2004	1458	02/23/2004	1840
08/05/2004	1412	08/05/2004	1451
09/27/2004	1438	09/27/2004	2056
02/14/2006	2002	02/14/2006	2105
05/31/2006	1756	05/31/2006	1852
10/11/2006	1446	10/11/2006	2039
07/26/2007	1340	07/26/2007	1900
08/20/2007	1450	08/20/2007	1555

Subject:	SGP/TWR/C1 - Tower SE-side lowered for maintenance
DataStreams:	sgp1twr10xC1.b1, sgp30twr10xC1.b1
Description:	The southeast side tower carriage was lowered for maintenance and/or data are off-scale during maintenance.
Measurements:	sgp1twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sgp30twr10xC1.b1: sd_vap_pres_25m Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sd_rh_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_temp_25m sd_rh_60m sd_temp_60m sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D041123.1

Start Date	Start Time	End Date	End Time
11/16/2004	2135	11/29/2004	1930

Subject:	SGP/THWAPS/C1 - RH Sensor Calibration
DataStreams:	sgpthwapsC1.b1
Description:	The analog output for the T/RH probe was incorrectly calibrated. This caused excessively high readings of RH.
Measurements:	sgpthwapsC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres) Humidity, relative, 30-min intervals, standard deviation(sd_rh) sd_vap_pres Humidity, relative(rh)

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DQRID : D050812.10

Start Date	Start Time	End Date	End Time
09/21/1999	0000	12/07/1999	1100

Subject:	SGP/THWAPS/C1 - Minor bias in humidity
DataStreams:	sgpthwapsC1.a1, sgpthwapsC1.b1
Description:	The THWAPS humidity sensor output was scaled so that the instrument output voltage range (0-1VDC) represented 0-100 %RH. Comparisons with the co-located chilled mirror sensor at the CF suggested that the THWAPS RH sensor was reading artifically low at high humidities because of this 100 %RH maximum. The scaling of the system was changed so that 0-1 VDC now represents 0-110 %RH. This resulted in a slight loss of precision in the measurements, but since the RH measurement is only accurate to 2-3 %RH at best, this isn't a significant problem.
Measurements:	sgpthwapsC1.b1: Humidity, relative(rh) sgpthwapsC1.a1: Humidity, relative(rh)

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DQRID : D050812.12

Start Date	Start Time	End Date	End Time
09/21/1999	0000	08/10/2005	1445

Subject:	SGP/THWAPS/C1 - Minor bias in saturation vapor pressure
DataStreams:	sgpthwapsC1.b1
Description:	The saturation vapor correction when temps are below 0C contained an error in the multiplier. The incorrect multiplier only equates to an error of 0.01 kPa which is less than the stated uncertainty of the measurement (+/- 0.035 kPa).
Measurements:	sgpthwapsC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres)

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DQRID : D070613.2

Start Date	Start Time	End Date	End Time
06/01/2007	0000	06/02/2007	2359

Subject:	SGP/RAIN/C1 - Funnel clogged
DataStreams:	sgprainC1.b1
Description:	The funnel for the instrument was clogged and the results for this time period are not reliable.
Measurements:	sgprainC1.b1: lon time base_time lat Rainfall rate(rain_rate) Precipitation(precip_tbrg) time_offset alt

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DQRID : D071217.2

Start Date	Start Time	End Date	End Time
12/04/2007	1700	01/24/2008	2030

Subject:	SGP/TWR/C1 - Southeast Side (10X) Temperature and RH Spikes
DataStreams:	sgp1twr10xC1.b1, sgp30twr10xC1.b1
Description:	Southeast side 25 m and 60 m (10X datastreams) carriage connectors may not have been well connected; temperatures and relative humidities spiked sometimes. This problem occurred after the carriages were lowered on 12/04.
Measurements:	sgp1twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sgp30twr10xC1.b1: sd_vap_pres_25m Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sd_rh_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_temp_25m sd_rh_60m sd_temp_60m sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D080116.24

Start Date	Start Time	End Date	End Time
12/22/2007	1750	12/22/2007	2130

Subject:	SGP/THWAPS/C1 - RH Data Incorrect
DataStreams:	sgpthwapsC1.b1
Description:	The RH data was incorrect during the times listed. Reason unknown. The sensor recovered on its own.
Measurements:	sgpthwapsC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres) Humidity, relative, 30-min intervals, standard deviation(sd_rh) sd_vap_pres Humidity, relative(rh)

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DQRID : D080307.1

Start Date	Start Time	End Date	End Time
02/06/2008	0000	02/06/2008	2359

Subject:	SGP/ORG/C1 - Frost on lens
DataStreams:	sgporgC1.b1
Description:	Frost build up on the instrument lenses caused a faulty precipitation measurement.
Measurements:	sgporgC1.b1: Precipitation maximum(precip_max) precip_sd Precipitation mean(precip_mean) Precipitation minimum(precip_min)

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DQRID : D080321.1

Start Date	Start Time	End Date	End Time
01/01/2008	0000	03/10/2008	1600

Subject:	SGP/ORG/C1 - Lens heater failure
DataStreams:	sgporgC1.b1
Description:	Any measurements made in freezing conditions are suspect due to failure of the lens heaters. Users of the data can use the SMOS E13 data to determine if temperatures below 0 degrees C occurred.
Measurements:	sgporgC1.b1: Precipitation maximum(precip_max) precip_sd Precipitation mean(precip_mean) Precipitation minimum(precip_min)

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DQRID : D080905.3

Start Date	Start Time	End Date	End Time
07/28/2008	0000	07/28/2008	1200

Subject:	SGP/ORG/C1 - Erroneous precipitation observations
DataStreams:	sgporgC1.b1
Description:	Precipitation observed by the optical rain gauge was not observed by the SMOS tipping bucket or by the disdrometer nearby. The optical rain gauge results should be considered erroneous.
Measurements:	sgporgC1.b1: Precipitation maximum(precip_max) precip_sd Precipitation mean(precip_mean) Precipitation minimum(precip_min)

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DQRID : D090211.2

Start Date	Start Time	End Date	End Time
01/09/2009	0000	02/13/2009	2359

Subject:	SGP/THWAPS/C1 - Barometer intermittent
DataStreams:	sgpthwapsC1.b1
Description:	Intermittent dropouts on the barometer data were occurring, with data reading low or missing. Loose wiring was the probable culprit. In most instances, only 1 minute of data was missing. Linear interpolation between the last known good point and the first good point following the dropout can be accomplished.
Measurements:	sgpthwapsC1.b1: Pressure, atmospheric, constant value of model level, RUC model output(pres)

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DQRID : D090223.6

Start Date	End Date	End Time
01/15/2009	01/15/2009	2359
01/23/2009	01/23/2009	2359
01/26/2009	01/26/2009	2359
01/27/2009	01/27/2009	2359

Subject:	SGP/ORG/C1 - False precip measurements
DataStreams:	sgporgC1.b1
Description:	False measurements of precipitation occurred due to icing or conditions where the dew point temperature became close to the air temperature.
Measurements:	sgporgC1.b1: Precipitation maximum(precip_max) precip_sd Precipitation mean(precip_mean) Precipitation minimum(precip_min)

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DQRID : D090306.1

Start Date	Start Time	End Date	End Time
12/09/2008	0000	01/23/2009	2359

Subject:	SGP/THWAPS/C1 - Time stamp of data record incorrect
DataStreams:	sgpthwapsC1.b1
Description:	Due to problems with the collector system, the datalogger was being time synched inappropriately. This problem was intermittent and did not affect every time stamp. The worst case time adjustments were approximately +/- 7 minutes. These were infrequent and most of the time adjustments were less than 7 minutes.
Measurements:	sgpthwapsC1.b1: time_offset base_time

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DQRID : D090824.2

Start Date	Start Time	End Date	End Time
07/17/2009	0000	11/27/2009	1745

Subject:	SGP/THWAPS/C1 - Wind speed incorrect
DataStreams:	sgpthwapsC1.b1
Description:	The wind sensor was reporting 0 m/s winds for excessive periods of time and appeared to measure lower wind speeds than nearby co-located wind sensors. Sensor was replaced.
Measurements:	sgpthwapsC1.b1: Mean Wind Speed(wspd)

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DQRID : D091104.1

Start Date	Start Time	End Date	End Time
04/26/2009	0000	10/01/2009	0000

Subject:	SGP/ORG/C1 - False reports of precip
DataStreams:	sgporgC1.b1
Description:	False positive observations occur during foggy periods and the accompanying rain gauges should always be consulted. However, the period covered by this DQR was not foggy and false positive readings became an issue. The instrument was removed for repair in 10/1/2009.
Measurements:	sgporgC1.b1: org_car Precipitation maximum(precip_max) precip_sd Precipitation mean(precip_mean) Precipitation minimum(precip_min)

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DQRID : D100301.1

Start Date	Start Time	End Date	End Time
12/14/2009	0000	12/25/2009	2359

Subject:	SGP/ORG/C1 - Incorrect precipitation
DataStreams:	sgporgC1.b1
Description:	The ORG has difficulty making correct observations of precipitation when the dew point temperature is high or when snow occults the sensor. Snow was definitely the culprit during 12/24 and 12/25.
Measurements:	sgporgC1.b1: org_car Precipitation maximum(precip_max) precip_sd Precipitation mean(precip_mean) Precipitation minimum(precip_min)

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DQRID : D100312.1

Start Date	Start Time	End Date	End Time
01/28/2010	2300	01/31/2010	1200

Subject:	SGP/ORG/C1 - Snow falsely identified as rain
DataStreams:	sgporgC1.b1
Description:	Snow that obstructed the ORG's sensor was interpreted by the instrument as rain.
Measurements:	sgporgC1.b1: org_car Precipitation maximum(precip_max) precip_sd Precipitation mean(precip_mean) Precipitation minimum(precip_min)

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DQRID : D110405.2

Start Date	Start Time	End Date	End Time
03/08/2011	0000	03/08/2011	2359

Subject:	SGP/ORG/C1 - Failure to detect rain
DataStreams:	sgporgC1.b1
Description:	The ORG failed to observe any rain during the rain event that took place on this day. Rain that occurred later in the month were detected.
Measurements:	sgporgC1.b1: Precipitation maximum(precip_max) precip_sd Precipitation mean(precip_mean) Precipitation minimum(precip_min)

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DQRID : D971027.4

Start Date	Start Time	End Date	End Time
09/12/1997	0000	09/26/1997	2047

Subject:	SGP/TWR/C1 - SE 25m RH Incorrect
DataStreams:	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
Description:	The RH and therefore vapor pressure measurements on the 25 meter level, southeast side of the 60 m tower (data from CR10X) were incorrect because the relative humidity portion of the T/RH probe malfunctioned. It is unknown at what day and time the failure occurred (it should be obvious from the data), although it was in the middle of the Fall combined IOP; I was not receiving the data at the time. The T/RH probe was replaced on 26 September.
Measurements:	sgp30twr10xC1.a1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_rh_25m sd_vap_pres_25m sd_rh_60m sgp1twr10xC1.a1: Humidity, relative, 60-m height, 30-min intervals(rh_60m) Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sgp1twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) sgp30twr10xC1.b1: sd_vap_pres_25m Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) sd_rh_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_rh_60m sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D980513.3

Start Date	Start Time	End Date	End Time
05/01/1998	1937	05/04/1998	1530

Subject:	SGP/TWR/C1 - SE-side RH Probe Poor Connection
DataStreams:	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
Description:	The 25 meter carriage signal connections to the tower receivers were not solid and relative humidity, and thus vapor pressure, were incorrect. The connections were made solid on May 4.
Measurements:	sgp30twr10xC1.a1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_rh_25m sd_vap_pres_25m sd_rh_60m sgp1twr10xC1.a1: Humidity, relative, 60-m height, 30-min intervals(rh_60m) Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sgp1twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) sgp30twr10xC1.b1: sd_vap_pres_25m Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) sd_rh_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_rh_60m sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D980528.11

Start Date	Start Time	End Date	End Time
09/26/1997	2010	09/26/1997	2047
10/24/1997	1746	10/24/1997	1823
05/01/1998	1827	05/01/1998	1936
05/18/1998	1947	05/18/1998	2106
07/16/1998	1442	07/16/1998	1512
08/03/1998	1904	08/03/1998	2035
08/06/1998	1918	08/06/1998	1939
12/08/1998	2107	12/08/1998	2200
05/19/1999	1755	05/19/1999	1915
07/02/1999	1720	07/02/1999	1735
09/07/1999	1610	09/07/1999	1641
09/15/1999	1353	09/15/1999	1536
09/15/1999	1750	09/15/1999	1850
09/16/1999	1846	09/16/1999	1933
11/15/1999	2011	11/15/1999	2220
11/16/1999	1701	11/16/1999	1827
11/18/1999	1621	11/18/1999	1748
11/19/1999	1415	11/19/1999	1615
01/06/2000	1942	01/06/2000	2127
08/14/2000	1447	08/14/2000	2138
11/27/2000	1842	11/27/2000	2016
11/29/2000	1400	11/29/2000	1446
05/04/2001	1839	05/04/2001	1855
05/14/2001	1454	05/14/2001	1507
05/18/2001	1707	05/18/2001	1720
07/12/2001	2103	07/12/2001	2136
07/13/2001	2018	07/13/2001	2141
07/20/2001	1451	07/20/2001	1657
08/07/2001	1343	08/07/2001	1841
08/08/2001	1356	08/08/2001	1901
09/26/2001	1834	09/26/2001	2122
09/27/2001	1504	09/27/2001	1918
10/02/2001	1549	10/02/2001	1610
10/02/2001	2006	10/02/2001	2103
10/04/2001	1828	10/04/2001	1913
11/12/2001	2050	11/12/2001	2110
12/19/2001	2055	12/19/2001	2121
04/11/2002	2003	04/11/2002	2131
08/01/2002	1330	08/01/2002	2201
08/02/2002	1354	08/02/2002	1912
09/03/2002	1937	09/03/2002	2032
09/10/2002	1734	09/10/2002	1843
10/24/2002	1418	10/24/2002	1436
10/25/2002	1806	10/31/2002	1621
10/31/2002	1914	10/31/2002	2209
11/06/2002	1552	11/06/2002	1804
11/06/2002	2017	11/06/2002	2222
11/07/2002	1557	11/07/2002	1731
12/16/2002	1631	12/16/2002	1710
12/18/2002	2037	12/18/2002	2140
01/30/2003	1655	01/30/2003	1814
02/21/2003	1955	02/21/2003	2057
02/22/2003	1917	02/22/2003	2110
03/17/2003	1622	03/17/2003	1704
03/21/2003	1825	03/21/2003	2027
08/14/2003	1445	08/14/2003	1521
08/14/2003	1902	08/14/2003	1937
08/15/2003	1344	08/15/2003	1945
08/19/2003	1416	08/19/2003	1604
10/06/2003	1713	10/06/2003	1828

Subject:	SGP/TWR/C1 - Tower SE-side lowered for maintenance
DataStreams:	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
Description:	The SE-side carriage was lowered for maintenance and/or data values are off-scale during maintenance.
Measurements:	sgp30twr10xC1.a1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sd_rh_25m sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) sd_temp_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) sd_vap_pres_25m sd_temp_60m sd_rh_60m sgp1twr10xC1.a1: Humidity, relative, 60-m height, 30-min intervals(rh_60m) Temperature, air, 60-m height, 30-min intervals(temp_60m) Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sgp1twr10xC1.b1: Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Temperature, air, 60-m height, 30-min intervals(temp_60m) Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) sgp30twr10xC1.b1: sd_vap_pres_25m Temperature, air, 60-m height, 30-min intervals(temp_60m) sd_rh_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_temp_25m sd_rh_60m sd_temp_60m sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D990421.1

Start Date	Start Time	End Date	End Time
09/18/1997	0036	09/22/1997	0130
08/21/1998	2004	09/18/1998	1538
10/31/1998	1104	11/03/1998	1500
08/08/1999	0000	08/08/1999	2359
10/18/2000	1504	10/20/2000	1150
12/16/2000	0000	12/18/2000	1214
02/08/2002	0443	02/19/2002	1615
02/22/2002	1739	02/25/2002	1918
03/09/2002	2002	03/11/2002	2001
12/14/2002	0702	12/16/2002	1330
10/06/2003	1702	10/08/2003	1401

Subject:	SGP/TWR/C1 - Missing data
DataStreams:	sgp1twr10xC1.a1, sgp1twr10xC1.b1, sgp30twr10xC1.a1, sgp30twr10xC1.b1
Description:	Data are missing and unrecoverable.
Measurements:	sgp30twr10xC1.a1: Humidity, relative, 60-m height, 30-min intervals(rh_60m) lat lon Humidity, relative, 25-m height, 30-min intervals(rh_25m) sd_temp_25m Temperature, air, 25-m height, 30-min intervals(temp_25m) sd_vap_pres_25m Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Temperature, air, 60-m height, 30-min intervals(temp_60m) base_time sd_rh_25m time_offset sd_vap_pres_60m alt Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_temp_60m sd_rh_60m sgp1twr10xC1.a1: Temperature, air, 60-m height, 30-min intervals(temp_60m) alt Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) vbat time_offset Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) lat Humidity, relative, 60-m height, 30-min intervals(rh_60m) lon base_time Temperature, air, 25-m height, 30-min intervals(temp_25m) sgp1twr10xC1.b1: Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Temperature, air, 60-m height, 30-min intervals(temp_60m) Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) vbat alt lat Humidity, relative, 60-m height, 30-min intervals(rh_60m) time_offset lon base_time sgp30twr10xC1.b1: lat base_time time_offset sd_vap_pres_25m Temperature, air, 60-m height, 30-min intervals(temp_60m) sd_rh_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_rh_60m sd_temp_60m sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) lon sd_temp_25m Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) alt Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D991008.1

Start Date	Start Time	End Date	End Time
09/27/1999	1445	10/14/1999	2230

Subject:	SGP/THWAPS - RH values low by factor of 1.1
DataStreams:	sgpthwapsC1.00, sgpthwapsC1.a1, sgpthwapsC1.b1, DsgpthwapsC1.a1, DsgpthwapsC1.b1
Description:	Because of instrument mentor stupidity, all C1 THWAPS RH data collected from the begin date of this DQR are low by a factor of 1.1. This error also will affect the vapor pressure data. The problem is that the CSI data logger is expecting the data to be scaled 0-100%RH on the range 0-1V, but it is now being scaled 0-110%RH on the range 0-1V.
Measurements:	sgpthwapsC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres) Humidity, relative, 30-min intervals, standard deviation(sd_rh) sd_vap_pres Humidity, relative(rh) sgpthwapsC1.a1: sd_vap_pres Humidity, relative, 30-min intervals, standard deviation(sd_rh) Humidity, relative(rh) Pressure, vapor, 60-m height, 30-min intervals(vap_pres) sgpthwapsC1.00: Raw data stream - documentation not supported DsgpthwapsC1.a1: Development data stream - documentation not supported DsgpthwapsC1.b1: Development data stream - documentation not supported

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DQRID : D991117.1

Start Date	Start Time	End Date	End Time
01/04/1998	0940	01/07/1998	2117

Subject:	SGP/TWR/C1 - SE side power low
DataStreams:	sgp1twr10xC1.b1, sgp30twr10xC1.b1
Description:	A power outage caused a GFCI breaker to trip. This removed power from the instruments on the tower. Temperature, relative humidity, and the calculated vapor pressure at both 25 m and 60 m levels are suspect because the sensors were not properly aspirated.
Measurements:	sgp1twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) vbat Humidity, relative, 60-m height, 30-min intervals(rh_60m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sgp30twr10xC1.b1: sd_vap_pres_25m Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sd_rh_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_temp_25m sd_rh_60m sd_temp_60m sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D991201.1

Start Date	Start Time	End Date	End Time
08/11/1999	1545	08/11/1999	1950

Subject:	SGP/TWR - CF Tower SE Side T/RH Incorrect
DataStreams:	sgp1twr10xC1.b1, sgp30twr10xC1.b1
Description:	The southeast side carriages were lowered to install the GPS repeater. Temperature, Relative Humidity, and Vapor Pressure data at both the 25 and 60 meter levels on the southeast side of the tower were incorrect during the period.
Measurements:	sgp1twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sgp30twr10xC1.b1: sd_vap_pres_25m Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sd_rh_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_temp_25m sd_rh_60m sd_temp_60m sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D991201.2

Start Date	Start Time	End Date	End Time
08/26/1999	1300	08/26/1999	1548

Subject:	SGP/TWR - CF Tower SE Side T/RH Incorrect
DataStreams:	sgp1twr10xC1.b1, sgp30twr10xC1.b1
Description:	The southeast side carriages were lowered to maintain the GPS repeater. Temperature, Relative Humidity, and Vapor Pressure data at both the 25 and 60 meter levels on the southeast side of the tower were incorrect during the period.
Measurements:	sgp1twr10xC1.b1: Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Humidity, relative, 25-m height, 30-min intervals(rh_25m) Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sgp30twr10xC1.b1: sd_vap_pres_25m Pressure, vapor, 60-m height, 30-min intervals(vap_pres_60m) Temperature, air, 60-m height, 30-min intervals(temp_60m) sd_rh_25m Pressure, vapor, 25-m height, 30-min intervals(vap_pres_25m) sd_temp_25m sd_rh_60m sd_temp_60m sd_vap_pres_60m Humidity, relative, 25-m height, 30-min intervals(rh_25m) Temperature, air, 25-m height, 30-min intervals(temp_25m) Humidity, relative, 60-m height, 30-min intervals(rh_60m)

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DQRID : D991202.6

Start Date	Start Time	End Date	End Time
10/21/1999	0000	11/18/1999	1621

Subject:	SGP/TWR/C1 - SE side 60m temp incorrect
DataStreams:	sgp1twr10xC1.b1, sgp30twr10xC1.b1
Description:	60m temperature data for the southeast side of the tower was incorrect during the period because of a poor connection at the carriage data connector. The poor connection caused resistance to be too large as seen by the PRTD sensor in the T/RH probe, resulting in temperatures that were 2 to 6 degrees too large. The problem ended when the carriage was lowered, then raised, reestablishing a good connection.
Measurements:	sgp1twr10xC1.b1: Temperature, air, 60-m height, 30-min intervals(temp_60m) sgp30twr10xC1.b1: Temperature, air, 60-m height, 30-min intervals(temp_60m)

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