Viewing Station: CA-CC-4 : Walnut Creek 1.7 SSE
Feb 12, 2009 - Oct 4, 20265,745 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
October 1-4, 2026(4 of 4 days covered by obs)
NOAA Normal
0.12"
Departure from Normal
-0.12" : 0% of Normal
Year-To-Date: 10.97"
Jan 1 to Oct 4, 2026(277 of 277 days covered by obs)
NOAA Normal
13.38"
Departure from Normal
-2.41" : 82% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2026 to Oct 4, 2026(4 of 4 days covered by obs)
NOAA Normal
0.12"
Departure from Normal
-0.12" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
4.11
4.53
-0.42
Feb
3.83
4.52
-0.69
Mar
3.07
3.25
-0.18
Apr
1.40
1.60
-0.20
May
0.63
0.78
-0.15
Jun
0.12
0.17
-0.05
Jul
0.00
0.01
-0.01
Aug
0.02
0.03
-0.01
Sep
0.08
0.07
0.01
Oct
0.95
0.97
-0.02
Nov
1.98
2.17
-0.19
Dec
4.07
4.53
-0.46
20.26
22.63
-2.37