Viewing Station: CA-SN-187 : Santa Rosa 3.5 SW
Jun 11, 2025 - Sep 17, 2025100 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.16"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
0.07"
Departure from Normal
0.09" : 217% of Normal
Year-To-Date: 0.21"
Jan 1 to Sep 17, 2025(99 of 260 days covered by obs)
NOAA Normal
20.29"
Departure from Normal
-20.08" : 1% of Normal
Water Year-To-Date: 0.21"
Oct 1, 2024 to Sep 17, 2025(99 of 352 days covered by obs)
NOAA Normal
31.82"
Departure from Normal
-31.61" : 1% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.24
5.97
0.27
Feb
6.22
6.05
0.17
Mar
4.31
4.24
0.07
Apr
2.06
2.06
0.00
May
1.08
1.22
-0.14
Jun
0.26
0.31
-0.05
Jul
0.01
0.02
-0.01
Aug
0.04
0.05
-0.01
Sep
0.13
0.12
0.01
Oct
1.51
1.57
-0.06
Nov
3.42
3.17
0.25
Dec
6.60
6.33
0.27
31.88
31.11
0.77