Viewing Station: WA-TH-1 : Olympia 1.3 S
May 24, 2008 - Aug 20, 20266,689 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.08"
August 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
0.58"
Departure from Normal
-0.50" : 14% of Normal
Year-To-Date: 25.55"
Jan 1 to Aug 20, 2026(232 of 232 days covered by obs)
NOAA Normal
25.60"
Departure from Normal
-0.05" : 100% of Normal
Water Year-To-Date: 54.70"
Oct 1, 2025 to Aug 20, 2026(324 of 324 days covered by obs)
NOAA Normal
45.36"
Departure from Normal
9.34" : 121% 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