Viewing Station: CA-SN-74 : Healdsburg 3.7 WNW
Feb 24, 2009 - Dec 22, 20255,171 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.95"
December 1-22, 2025(22 of 22 days covered by obs)
NOAA Normal
6.22"
Departure from Normal
-1.27" : 80% of Normal
Year-To-Date: 36.24"
Jan 1 to Dec 22, 2025(355 of 356 days covered by obs)
NOAA Normal
39.33"
Departure from Normal
-3.09" : 92% of Normal
Water Year-To-Date: 13.16"
Oct 1, 2025 to Dec 22, 2025(83 of 83 days covered by obs)
NOAA Normal
12.29"
Departure from Normal
0.87" : 107% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
8.19
9.09
-0.90
Feb
8.07
8.36
-0.29
Mar
6.02
5.64
0.38
Apr
2.78
2.71
0.07
May
1.52
1.49
0.03
Jun
0.28
0.32
-0.04
Jul
0.01
0.01
0.00
Aug
0.03
0.04
-0.01
Sep
0.14
0.09
0.05
Oct
1.86
1.77
0.09
Nov
4.21
4.19
0.02
Dec
8.77
9.08
-0.31
41.88
42.79
-0.91