National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

Precipitation Quality Codes

Ranking Code Description
1 H Historical archive quality
2 N Near historical archive quality
3 V Verified
4 S Screened
5 Q Questioned
6 Z Default
7 L Lumped
8 A A grade
9 B B grade
10 C C grade
11 D D grade
12 W Withheld (estimated)
13 E Estimated
14 R Rejected
15 F Flagged
16 M Missing