Viewing Station: CA-SN-99 : Guerneville 2.0 SSW
Jan 1, 2013 - Oct 29, 20252,397 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
November 1-2, 2025(0 of 2 days covered by obs)
NOAA Normal
0.35"
Departure from Normal
-0.35" : 0% of Normal
Year-To-Date: 28.89"
Jan 1 to Nov 2, 2025(109 of 306 days covered by obs)
NOAA Normal
33.90"
Departure from Normal
-5.01" : 85% of Normal
Water Year-To-Date: 2.46"
Oct 1, 2025 to Nov 2, 2025(12 of 33 days covered by obs)
NOAA Normal
2.45"
Departure from Normal
0.01" : 100% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
9.71
9.30
0.41
Feb
9.50
9.79
-0.29
Mar
6.59
6.43
0.16
Apr
3.48
3.02
0.46
May
1.51
1.69
-0.18
Jun
0.42
0.39
0.03
Jul
0.02
0.02
0.00
Aug
0.05
0.09
-0.04
Sep
0.17
0.17
0.00
Oct
2.10
2.09
0.01
Nov
5.32
4.93
0.39
Dec
10.26
10.26
0.00
49.13
48.18
0.95