Viewing Station: CA-SN-131 : Cotati 1.0 SSE
Oct 1, 2016 - Dec 22, 20251,113 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.49"
December 1-22, 2025(5 of 22 days covered by obs)
NOAA Normal
4.49"
Departure from Normal
-2.00" : 55% of Normal
Year-To-Date: 22.23"
Jan 1 to Dec 22, 2025(116 of 356 days covered by obs)
NOAA Normal
28.95"
Departure from Normal
-6.72" : 77% of Normal
Water Year-To-Date: 8.57"
Oct 1, 2025 to Dec 22, 2025(24 of 83 days covered by obs)
NOAA Normal
9.38"
Departure from Normal
-0.81" : 91% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.94
6.01
-0.07
Feb
5.97
6.03
-0.06
Mar
4.18
4.17
0.01
Apr
1.98
2.03
-0.05
May
1.09
1.20
-0.11
Jun
0.25
0.32
-0.07
Jul
0.01
0.02
-0.01
Aug
0.03
0.05
-0.02
Sep
0.12
0.12
0.00
Oct
1.53
1.51
0.02
Nov
3.36
3.15
0.21
Dec
6.33
6.24
0.09
30.79
30.85
-0.06