Viewing Station: WA-TH-1 : Olympia 1.3 S
May 24, 2008 - Dec 11, 20256,437 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.85"
December 1-11, 2025(11 of 11 days covered by obs)
NOAA Normal
2.65"
Departure from Normal
4.20" : 258% of Normal
Year-To-Date: 44.56"
Jan 1 to Dec 11, 2025(345 of 345 days covered by obs)
NOAA Normal
42.69"
Departure from Normal
1.87" : 104% of Normal
Water Year-To-Date: 21.82"
Oct 1, 2025 to Dec 11, 2025(72 of 72 days covered by obs)
NOAA Normal
14.93"
Departure from Normal
6.89" : 146% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
7.26
7.90
-0.64
Feb
4.73
5.28
-0.55
Mar
5.33
5.83
-0.50
Apr
3.55
3.89
-0.34
May
2.17
2.32
-0.15
Jun
1.42
1.62
-0.20
Jul
0.56
0.58
-0.02
Aug
0.90
0.97
-0.07
Sep
1.84
1.99
-0.15
Oct
4.62
5.06
-0.44
Nov
7.66
8.42
-0.76
Dec
7.48
8.05
-0.57
47.52
51.91
-4.39