Viewing Station: CA-SN-71 : Rohnert Park 0.9 SW
Feb 25, 2009 - Sep 22, 20266,299 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.28"
September 1-22, 2026(22 of 22 days covered by obs)
NOAA Normal
0.10"
Departure from Normal
0.18" : 294% of Normal
Year-To-Date: 19.45"
Jan 1 to Sep 22, 2026(265 of 265 days covered by obs)
NOAA Normal
20.07"
Departure from Normal
-0.62" : 97% of Normal
Water Year-To-Date: 26.43"
Oct 1, 2025 to Sep 22, 2026(357 of 357 days covered by obs)
NOAA Normal
31.51"
Departure from Normal
-5.08" : 84% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.13
5.93
0.20
Feb
6.15
5.80
0.35
Mar
4.28
4.13
0.15
Apr
2.03
2.02
0.01
May
1.08
1.20
-0.12
Jun
0.26
0.32
-0.06
Jul
0.01
0.02
-0.01
Aug
0.03
0.05
-0.02
Sep
0.13
0.11
0.02
Oct
1.52
1.50
0.02
Nov
3.40
3.15
0.25
Dec
6.52
6.21
0.31
31.54
30.44
1.10