Viewing Station: CA-SN-90 : Forestville 0.7 SW
Feb 13, 2011 - Sep 14, 20265,508 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.42"
September 1-14, 2026(11 of 14 days covered by obs)
NOAA Normal
0.07"
Departure from Normal
0.35" : 600% of Normal
Year-To-Date: 20.75"
Jan 1 to Sep 14, 2026(253 of 257 days covered by obs)
NOAA Normal
25.57"
Departure from Normal
-4.82" : 81% of Normal
Water Year-To-Date: 37.04"
Oct 1, 2025 to Sep 14, 2026(345 of 349 days covered by obs)
NOAA Normal
39.96"
Departure from Normal
-2.92" : 93% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
8.02
8.82
-0.80
Feb
7.82
8.61
-0.79
Mar
5.33
5.75
-0.42
Apr
2.68
2.65
0.03
May
1.30
1.48
-0.18
Jun
0.30
0.39
-0.09
Jul
0.01
0.02
-0.01
Aug
0.04
0.06
-0.02
Sep
0.15
0.16
-0.01
Oct
1.85
1.96
-0.11
Nov
4.14
4.52
-0.38
Dec
8.40
9.25
-0.85
40.04
43.67
-3.63