Viewing Station: CA-NV-63 : Grass Valley 8.7 SSW
Mar 29, 2023 - Apr 22, 2026247 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 10.29"
April 1-22, 2026(8 of 22 days covered by obs)
NOAA Normal
2.41"
Departure from Normal
7.88" : 428% of Normal
Year-To-Date: 21.66"
Jan 1 to Apr 22, 2026(29 of 112 days covered by obs)
NOAA Normal
22.73"
Departure from Normal
-1.07" : 95% of Normal
Water Year-To-Date: 40.06"
Oct 1, 2025 to Apr 22, 2026(57 of 204 days covered by obs)
NOAA Normal
36.55"
Departure from Normal
3.51" : 110% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
7.06
6.97
0.09
Feb
7.03
6.61
0.42
Mar
6.23
6.29
-0.06
Apr
3.28
3.31
-0.03
May
1.87
1.98
-0.11
Jun
0.53
0.56
-0.03
Jul
0.01
0.01
0.00
Aug
0.06
0.08
-0.02
Sep
0.35
0.34
0.01
Oct
2.02
1.94
0.08
Nov
4.33
4.31
0.02
Dec
7.47
7.36
0.11
40.24
39.76
0.48