Viewing Station: CA-SN-89 : Healdsburg 12.6 NNW
Jan 3, 2011 - Sep 18, 20255,309 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.25"
September 1-19, 2025(18 of 19 days covered by obs)
NOAA Normal
0.09"
Departure from Normal
0.16" : 282% of Normal
Year-To-Date: 20.40"
Jan 1 to Sep 19, 2025(261 of 262 days covered by obs)
NOAA Normal
25.10"
Departure from Normal
-4.70" : 81% of Normal
Water Year-To-Date: 48.51"
Oct 1, 2024 to Sep 19, 2025(353 of 354 days covered by obs)
NOAA Normal
38.88"
Departure from Normal
9.63" : 125% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
7.63
8.41
-0.78
Feb
7.54
7.90
-0.36
Mar
5.57
5.75
-0.18
Apr
2.57
2.78
-0.21
May
1.39
1.51
-0.12
Jun
0.27
0.43
-0.16
Jul
0.01
0.02
-0.01
Aug
0.03
0.06
-0.03
Sep
0.14
0.14
0.00
Oct
1.70
1.80
-0.10
Nov
3.96
4.37
-0.41
Dec
8.12
8.66
-0.54
38.93
41.83
-2.90