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Former Flag Summary
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Because archived CIMIS data for the period prior to 1995 are flagged with the former quality control flags, a short description of the flags is given below. The testing procedure used for specific parameters can be found in the former daily and hourly parameter specifications. A complete description of the data quality tests is given by Snyder et al., (1985). The flags fall into two categories:
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Severe where
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Flag
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Description
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I
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Data value has no meaning/ignore
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N/A
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Data value is not available.
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S
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Sensor is not in service or data is out of sensor threshold
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Informative where
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Flag
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Description
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H
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Daily data value flagged when corresponding hourly data is severe. This flag is not set when the corresponding hourly data is N/C.
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N/C
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Data value is not collected by this station.
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Q
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All quality control could not be performed because a comparison sensor is severe. This flag is not set when the comparison sensor is N/C.
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R
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Data are far out of historical limits.
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Y
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Data is moderately out of historical limits.
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If you have questions, please contact the following:
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Bekele Temesgen
Department of Water Resources
Office of Water Use Efficiency
P.O. Box 942836
Sacramento, CA 94236-0001
temesgen@water.ca.gov
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Simon Eching
Department of Water Resources
Office of Water Use Efficiency
P.O. Box 942836
Sacramento, CA 94236-0001
seching@water.ca.gov
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