Viewing Station: CA-SN-42 : Santa Rosa 2.9 ENE
Feb 13, 2009 - Dec 22, 20252,321 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.97"
December 1-22, 2025(5 of 22 days covered by obs)
NOAA Normal
5.15"
Departure from Normal
-0.18" : 97% of Normal
Year-To-Date: 29.22"
Jan 1 to Dec 22, 2025(132 of 356 days covered by obs)
NOAA Normal
32.35"
Departure from Normal
-3.13" : 90% of Normal
Water Year-To-Date: 11.76"
Oct 1, 2025 to Dec 22, 2025(43 of 83 days covered by obs)
NOAA Normal
10.36"
Departure from Normal
1.40" : 114% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.76
6.27
0.49
Feb
6.64
6.00
0.64
Mar
4.76
4.50
0.26
Apr
2.18
2.19
-0.01
May
1.22
1.25
-0.03
Jun
0.26
0.32
-0.06
Jul
0.01
0.02
-0.01
Aug
0.03
0.05
-0.02
Sep
0.13
0.15
-0.02
Oct
1.67
1.61
0.06
Nov
3.54
3.29
0.25
Dec
7.25
6.40
0.85
34.45
32.05
2.40