Data Quality Reports for Session: 102323 User: falguni Completed: 10/25/2006

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D040304.30SGP/TWR/C1 - Southeast Side RH Too Largesgp1twr10xC1.b1, sgp30twr10xC1.b1


DQRID : D040304.30
Start DateStart TimeEnd DateEnd Time
08/15/2003134502/10/20042310
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:
  • Relative humidity at 60 m(rh_60m)
  • Vapor pressure at 25 m(vap_pres_25m)
  • Relative humidity at 25 m(rh_25m)
  • Vapor pressure at 60 m(vap_pres_60m)
sgp30twr10xC1.b1:
  • Vapor pressure at 25 m(vap_pres_25m)
  • Vapor pressure at 60 m(vap_pres_60m)
  • Relative humidity at 60 m(rh_60m)
  • Relative humidity at 25 m(rh_25m)

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