Data Quality Reports for Session: 180605 User: hendrickxj1 Completed: 10/19/2016

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected Data Quality Metric
D151201.2SGP ALL INSTRUMENTS - Icing EventsgpmetE13.b1Does not affect quality
D151218.8SGP/MET/E13 - Data suspect due to system power issuessgpmetE13.b1Suspect
D160203.4SGP/MET/E13 - False tips in high windssgpmetE13.b1Does not affect quality


DQRID : D151201.2
Start DateStart TimeEnd DateEnd Time Data Quality Metric
11/27/2015000011/30/20152359Does not affect quality
Subject:
SGP ALL INSTRUMENTS - Icing Event
DataStreams:sgpmetE13.b1
Description:
An icing event (winter storm Cara) passed slowly through the area during this time frame.  
Instruments at the SGP may have been affected by ice accumulation.
Measurements:sgpmetE13.b1:
  • PWD 1 minute mean visibility(pwd_mean_vis_1min)
  • PWD 10 minute mean visibility(pwd_mean_vis_10min)
  • pwd_cumul_rain
  • logger_temp
  • Vapor pressure mean, calculated(vapor_pressure_mean)
  • temp_std
  • vapor_pressure_std
  • PWD 1 minute mean precipitation rate(pwd_precip_rate_mean_1min)
  • Wind speed, lower, 1-min avg(wspd_arith_mean)
  • pwd_pw_code_15min
  • pwd_pw_code_1hr
  • tbrg_precip_total
  • pwd_pw_code_inst
  • Atmospheric pressure(atmos_pressure)
  • Humidity, relative, at 2-m height, 1-min avg(rh_mean)
  • Temperature mean(temp_mean)
  • wdir_vec_std
  • Wind speed vector mean(wspd_vec_mean)
  • pwd_cumul_snow
  • Wind direction vector mean(wdir_vec_mean)
  • rh_std
  • logger_volt
  • pwd_err_code
  • TBRG precipitation total, corrected(tbrg_precip_total_corr)

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DQRID : D151218.8
Start DateStart TimeEnd DateEnd Time Data Quality Metric
11/30/2015165412/04/20151516Suspect
Subject:
SGP/MET/E13 - Data suspect due to system power issues
DataStreams:sgpmetE13.b1
Description:
Issues with power supply to the system caused outages and suspect data during this time.
Measurements:sgpmetE13.b1:
  • PWD 1 minute mean visibility(pwd_mean_vis_1min)
  • PWD 10 minute mean visibility(pwd_mean_vis_10min)
  • pwd_cumul_rain
  • Vapor pressure mean, calculated(vapor_pressure_mean)
  • logger_temp
  • temp_std
  • vapor_pressure_std
  • PWD 1 minute mean precipitation rate(pwd_precip_rate_mean_1min)
  • Wind speed, lower, 1-min avg(wspd_arith_mean)
  • pwd_pw_code_15min
  • tbrg_precip_total
  • pwd_pw_code_1hr
  • pwd_pw_code_inst
  • Atmospheric pressure(atmos_pressure)
  • Humidity, relative, at 2-m height, 1-min avg(rh_mean)
  • Temperature mean(temp_mean)
  • wdir_vec_std
  • Wind speed vector mean(wspd_vec_mean)
  • pwd_cumul_snow
  • Wind direction vector mean(wdir_vec_mean)
  • rh_std
  • logger_volt
  • TBRG precipitation total, corrected(tbrg_precip_total_corr)
  • pwd_err_code

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DQRID : D160203.4
Start DateStart TimeEnd DateEnd Time Data Quality Metric
07/21/1993000001/12/20161958Does not affect quality
Subject:
SGP/MET/E13 - False tips in high winds
DataStreams:sgpmetE13.b1
Description:
The TBRG's were mounted at a height that made them prone to vibrations caused by high 
winds which may have caused false tips.  The end date of this DQR indicates when the rain 
gauge was lowered to mitigate these effects.  

Effects on the total precipitation amounts are assumed to be negligible.
Measurements:sgpmetE13.b1:
  • tbrg_precip_total
  • TBRG precipitation total, corrected(tbrg_precip_total_corr)

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