Data Quality Reports for Session: 140164 User: okkonen Completed: 01/31/2012

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D090710.1NSA/MET/C1 - 2m RH values incorrectnsametC1.b1, nsatwrC1.b1


DQRID : D090710.1
Start DateStart TimeEnd DateEnd Time
06/13/2009221507/08/20092250
Subject:
NSA/MET/C1 - 2m RH values incorrect
DataStreams:nsametC1.b1, nsatwrC1.b1
Description:
The new t/rh probe installed during annual calibrations and checks began to exhibit 
readings that were biased high compared to the Chilled Mirror Hygrometer.  In high RH 
conditions the sensor would consistently report RH values in excess of 105%.  Comparisons to the 
other tower levels also suggested that the 2m level RH data is suspect.
Measurements:nsametC1.b1:
  • dew_point_mean
  • Humidity, relative, at 2-m height, 1-min avg(rh_mean)
  • qc_rh_mean
  • vapor_pressure_std
  • vapor_pressure_mean
  • qc_dew_point_mean
  • dew_point_std
  • rh_std
nsatwrC1.b1:
  • rh_std
  • qc_rh_mean
  • vapor_pressure_mean
  • vapor_pressure_std
  • dew_point_mean
  • qc_dew_point_mean
  • Humidity, relative, at 2-m height, 1-min avg(rh_mean)
  • dew_point_std
  • qc_vapor_pressure_mean

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