Viewing Station: CA-LK-19 : Potter Valley 8.4 ENE
Oct 24, 2021 - Sep 17, 20251,414 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.35"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
0.22"
Departure from Normal
0.13" : 163% of Normal
Year-To-Date: 39.40"
Jan 1 to Sep 17, 2025(259 of 260 days covered by obs)
NOAA Normal
41.03"
Departure from Normal
-1.63" : 96% of Normal
Water Year-To-Date: 75.40"
Oct 1, 2024 to Sep 17, 2025(348 of 352 days covered by obs)
NOAA Normal
64.02"
Departure from Normal
11.38" : 118% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
11.95
9.45
2.50
Feb
10.91
7.92
2.99
Mar
9.48
7.17
2.31
Apr
4.70
4.15
0.55
May
2.72
2.12
0.60
Jun
0.84
0.75
0.09
Jul
0.04
0.23
-0.19
Aug
0.17
0.16
0.01
Sep
0.38
0.37
0.01
Oct
3.15
2.53
0.62
Nov
6.81
5.28
1.53
Dec
13.03
10.23
2.80
64.18
50.36
13.82