Viewing Station: CA-CC-31 : Walnut Creek 2.3 WSW
Sep 1, 2014 - Jan 18, 20264,092 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.30"
January 1-19, 2026(18 of 19 days covered by obs)
NOAA Normal
2.43"
Departure from Normal
0.87" : 136% of Normal
Year-To-Date: 3.30"
Jan 1 to Jan 19, 2026(18 of 19 days covered by obs)
NOAA Normal
2.43"
Departure from Normal
0.87" : 136% of Normal
Water Year-To-Date: 12.45"
Oct 1, 2025 to Jan 19, 2026(110 of 111 days covered by obs)
NOAA Normal
9.16"
Departure from Normal
3.29" : 136% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.96
4.84
-0.88
Feb
3.74
4.75
-1.01
Mar
2.94
3.43
-0.49
Apr
1.36
1.63
-0.27
May
0.61
0.81
-0.20
Jun
0.11
0.18
-0.07
Jul
0.00
0.01
-0.01
Aug
0.02
0.04
-0.02
Sep
0.08
0.08
0.00
Oct
0.90
1.11
-0.21
Nov
1.89
2.42
-0.53
Dec
3.94
4.86
-0.92
19.55
24.16
-4.61