DQRs for Session: 111797 User:pyfayetCompleted: 05-03-2008

Data Quality Reports for Session: 111797 User: pyfayet Completed: 05/03/2008

TABLE OF CONTENTS

DQR ID	Subject	Data Streams Affected
D060321.3	NIM/SONDE/M1 - RH data incorrect.	nimsondewnpnM1.b1
D060407.1	NIM/MET/M1 - Software problem	nimmetM1.b1
D060524.2	NIM/MET/M1 - Optical Rain Gauge Failure	nimmetM1.b1
D080304.2	NIM/MET/M1 - ORG Data Incorrect	nimmetM1.b1
D080304.3	NIM/MET/M1 - ORG Data Underestimated Precipitation	nimmetM1.b1

DQRID : D060321.3

Start Date	Start Time	End Date	End Time
03/11/2006	0500	03/11/2006	0501

Subject:	NIM/SONDE/M1 - RH data incorrect.
DataStreams:	nimsondewnpnM1.b1
Description:	RH% values oscillate between ambient values and 0%. The 0% RH values are incorrect.
Measurements:	nimsondewnpnM1.b1: Relative humidity inside the instrument enclosure(rh) Surface dew point temperature(dp)

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DQRID : D060407.1

Start Date	Start Time	End Date	End Time
01/10/2006	1600	03/01/2006	0803

Subject:	NIM/MET/M1 - Software problem
DataStreams:	nimmetM1.b1
Description:	Intermittent Failure of Logger to read data from the Barometer.
Measurements:	nimmetM1.b1: Barometric Pressure(atmos_pressure)

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DQRID : D060524.2

Start Date	Start Time	End Date	End Time
05/13/2006	0000	05/26/2006	1015

Subject:	NIM/MET/M1 - Optical Rain Gauge Failure
DataStreams:	nimmetM1.b1
Description:	The optical rain gauge on the met system did not record precipitation during this time period.
Measurements:	nimmetM1.b1: Precipitation rate mean(precip_rate_mean) Precipitation rate maximum(precip_rate_max) Precipitation rate minimum(precip_rate_min) Precipitation rate standard deviation(precip_rate_sd)

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DQRID : D080304.2

Start Date	Start Time	End Date	End Time
07/24/2006	0800	07/24/2006	0900

Subject:	NIM/MET/M1 - ORG Data Incorrect
DataStreams:	nimmetM1.b1
Description:	The ORG measured around 9cm of rain in a short period while other co-located sensors measured no precip. Use the Present Weather Detector data instead or set the ORG rainfall to 0mm during this time period.
Measurements:	nimmetM1.b1: Precipitation rate mean(precip_rate_mean) Precipitation rate maximum(precip_rate_max) Precipitation rate minimum(precip_rate_min) Precipitation rate standard deviation(precip_rate_sd)

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DQRID : D080304.3

Start Date	Start Time	End Date	End Time
01/06/2006	0000	01/06/2007	2359

Subject:	NIM/MET/M1 - ORG Data Underestimated Precipitation
DataStreams:	nimmetM1.b1
Description:	The ORG underestimated precipitation by about 38% during the entire NIM deployment. No troubleshooting technique or replacement of gage was successful in correcting the problem.
Measurements:	nimmetM1.b1: Precipitation rate mean(precip_rate_mean) ORG carrier mean(org_carrier_mean) Precipitation rate maximum(precip_rate_max) Precipitation rate minimum(precip_rate_min) Precipitation rate standard deviation(precip_rate_sd)

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