Viewing Station: CA-SN-174 : Petaluma 1.4 S
Nov 8, 2021 - Jun 14, 20261,554 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
June 1-15, 2026(14 of 15 days covered by obs)
NOAA Normal
0.12"
Departure from Normal
-0.12" : 0% of Normal
Year-To-Date: 13.49"
Jan 1 to Jun 15, 2026(161 of 166 days covered by obs)
NOAA Normal
18.82"
Departure from Normal
-5.33" : 72% of Normal
Water Year-To-Date: 22.21"
Oct 1, 2025 to Jun 15, 2026(251 of 258 days covered by obs)
NOAA Normal
29.65"
Departure from Normal
-7.44" : 75% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.77
6.23
-0.46
Feb
5.84
6.29
-0.45
Mar
4.12
3.71
0.41
Apr
1.91
1.93
-0.02
May
1.06
1.00
0.06
Jun
0.24
0.27
-0.03
Jul
0.01
0.00
0.01
Aug
0.04
0.04
0.00
Sep
0.11
0.08
0.03
Oct
1.48
1.29
0.19
Nov
3.25
2.69
0.56
Dec
6.10
6.24
-0.14
29.93
29.77
0.16