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Peak Streamflow and Stage Special Conditions (PEAK.peak_cd and PEAK.gage_ht_cd)

The following codes are used to indicate special conditions that affect how the peak stream flow and stage values may be interpreted

peak_cdMeaning
1 Discharge is a Maximum Daily Average
2 Discharge is an Estimate
3 Discharge affected by Dam Failure
4 Discharge less than indicated value which is Minimum Recordable Discharge at this site
5 Discharge affected to unknown degree by Regulation or Diversion
6 Discharge affected by Regulation or Diversion
7 Discharge is an Historic Peak
8 Discharge actually greater than indicated value
9 Discharge due to Snowmelt, Hurricane, Ice-Jam or Debris Dam breakup
A Year of occurrence is unknown or not exact
B Month or Day of occurrence is unknown or not exact
C All or part of the record affected by Urbanization, Mining, Agricultural changes, Channelization, or other
D Base Discharge changed during this year
E Only Annual Maximum Peak available for this year
gage_cdMeaning
1 Gage height affected by backwater
3 Gage height was at a different site and/or datum
5 Gage height is an estimate
6 Gage height datum changed during this year