Viewing Station: WA-TH-31 : Olympia 4.5 NW
Sep 17, 2011 - Jun 16, 20253,629 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.03"
June 1-17, 2025(15 of 17 days covered by obs)
NOAA Normal
0.80"
Departure from Normal
-0.77" : 4% of Normal
Year-To-Date: 21.54"
Jan 1 to Jun 17, 2025(160 of 168 days covered by obs)
NOAA Normal
23.87"
Departure from Normal
-2.33" : 90% of Normal
Water Year-To-Date: 44.00"
Oct 1, 2024 to Jun 17, 2025(252 of 260 days covered by obs)
NOAA Normal
43.64"
Departure from Normal
0.36" : 101% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
7.31
8.01
-0.70
Feb
4.72
5.28
-0.56
Mar
5.38
5.89
-0.51
Apr
3.55
3.85
-0.30
May
2.11
2.30
-0.19
Jun
1.41
1.59
-0.18
Jul
0.56
0.59
-0.03
Aug
0.89
0.84
0.05
Sep
1.82
1.96
-0.14
Oct
4.61
5.10
-0.49
Nov
7.62
8.52
-0.90
Dec
7.54
8.08
-0.54
47.52
52.01
-4.49