Data Quality Reports for Session: 111967 User: anuskitade Completed: 05/14/2008


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D050412.1PYE/MET/M1 - Data questionablepyesmet60sM1.b1
D080428.8PYE/SMET/M1 - Reprocess: ORG Data has very small rainrate valuespyesmet60sM1.b1


DQRID : D050412.1
Start DateStart TimeEnd DateEnd Time
02/11/2005000003/14/20052359
Subject:
PYE/MET/M1 - Data questionable
DataStreams:pyesmet60sM1.b1
Description:
During the listed time period, the AMF was in the beginning phase of deployment.  Data 
during this time may not be representative and should be used with caution.
Measurements:pyesmet60sM1.b1:
  • Precipitation mean(precip_mean)
  • Precipitation standard deviation(precip_sd)
  • Std Dev of Relative Humidity or Hardware Error Code(relh_sd)
  • Barometric Pressure(atmos_pressure)
  • Vapor pressure standard deviation(vappress_sd)
  • Vapor pressure mean(vappress_mean)
  • Upper wind direction standard deviation(up_wind_dir_sd)
  • Upper wind speed vector average(up_wind_spd_vec_avg)
  • Precipitation maximum(precip_max)
  • Upper wind speed arithmetic average(up_wind_spd_arith_avg)
  • Mean Air Temperature or Hardware Error(temp_mean)
  • Lower wind direction standard deviation(lo_wind_dir_sd)
  • Lower wind speed standard deviation(lo_wind_spd_sd)
  • Upper wind direction vector average(up_wind_dir_vec_avg)
  • Std Dev of Air Temperature(temp_sd)
  • Logger panel temperature(logger_temp)
  • Lower wind speed minimum(lo_wind_spd_min)
  • Battery Voltage(internal_voltage)
  • Lower wind speed maximum(lo_wind_spd_max)
  • Lower wind speed vector average(lo_wind_spd_vec_avg)
  • Upper wind speed maximum(up_wind_spd_max)
  • Mean Relative Humidity(relh_mean)
  • Dummy altitude for Zeb(alt)
  • Lower wind direction vector average(lo_wind_dir_vec_avg)
  • Upper wind speed minimum(up_wind_spd_min)
  • Lower wind speed arithmetic average(lo_wind_spd_arith_avg)
  • Upper wind speed standard deviation(up_wind_spd_sd)
  • precipitation minimum(precip_min)


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DQRID : D080428.8
Start DateStart TimeEnd DateEnd Time
02/01/2005000009/15/20052359
Subject:
PYE/SMET/M1 - Reprocess: ORG Data has very small rainrate values
DataStreams:pyesmet60sM1.b1
Description:
The ORG data is collected via analog signal and not digital.  Therefore, we
   continuously collect data even when no rain is occurring.  We also capture
   small events such as leaves, large bugs, dust, etc blowing through the
   measurement path.  Because this discrete event occurs quickly the value is
   usually captured for 1 or 2 seconds.  This value is then averaged to the
   minute producing rainrate on the order of .009 mm/hr or less.  These values
   are not indicative of rain and should be removed from the record or summing
   over long periods can bias the climate record.  We are reprocessing the data
   to remove these small values and are adjusting the collection program to
   remove them before ingest.
Measurements:pyesmet60sM1.b1:
  • Precipitation mean(precip_mean)
  • Precipitation maximum(precip_max)
  • Precipitation standard deviation(precip_sd)
  • precipitation minimum(precip_min)


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