Viewing Station: WA-TH-69 : Olympia 4.2 NW
Mar 27, 2022 - Dec 9, 20251,248 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.09"
December 1-10, 2025(9 of 10 days covered by obs)
NOAA Normal
2.43"
Departure from Normal
1.66" : 168% of Normal
Year-To-Date: 41.73"
Jan 1 to Dec 10, 2025(343 of 344 days covered by obs)
NOAA Normal
42.41"
Departure from Normal
-0.68" : 98% of Normal
Water Year-To-Date: 18.15"
Oct 1, 2025 to Dec 10, 2025(70 of 71 days covered by obs)
NOAA Normal
14.66"
Departure from Normal
3.49" : 124% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
7.31
7.95
-0.64
Feb
4.72
5.28
-0.56
Mar
5.38
5.89
-0.51
Apr
3.55
3.83
-0.28
May
2.11
2.30
-0.19
Jun
1.41
1.59
-0.18
Jul
0.56
0.59
-0.03
Aug
0.89
0.85
0.04
Sep
1.82
1.96
-0.14
Oct
4.61
5.05
-0.44
Nov
7.62
8.46
-0.84
Dec
7.54
8.06
-0.52
47.52
51.81
-4.29