Data Quality Reports for Session: 145709 User: martino1ca Completed: 10/31/2012

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D080428.4TWP/SMET/C2 - Reprocess: ORG Data has very small rainrate valuestwpsmet60sC2.b1
D100303.3TWP/SMET/C2 - Barometer failuretwpsmet60sC2.b1


DQRID : D080428.4
Start DateStart TimeEnd DateEnd Time
07/01/2004000006/30/20102359
Subject:
TWP/SMET/C2 - Reprocess: ORG Data has very small rainrate values
DataStreams:twpsmet60sC2.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 will reprocess the data to remove these 
small values.
Measurements:twpsmet60sC2.b1:
  • Precipitation minimum(precip_min)
  • Precipitation mean(precip_mean)
  • Precipitation maximum(precip_max)
  • precip_sd

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DQRID : D100303.3
Start DateStart TimeEnd DateEnd Time
02/04/2010060002/23/20102315
Subject:
TWP/SMET/C2 - Barometer failure
DataStreams:twpsmet60sC2.b1
Description:
The atmos_pressure values were spiking high (up to 110 kPa) from 06:00 UTC on 02/04 until 
the data went missing at 10:44 UTC on 02/06 when the barometer failed completely.

Barometer replaced 2/23.
Measurements:twpsmet60sC2.b1:
  • Barometric Pressure(atmos_pressure)

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