Viewing Station: WA-TH-40 : Olympia 8.5 WSW
May 10, 2015 - Jul 18, 20253,600 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
July 1-19, 2025(18 of 19 days covered by obs)
NOAA Normal
0.43"
Departure from Normal
-0.43" : 0% of Normal
Year-To-Date: 29.51"
Jan 1 to Jul 19, 2025(199 of 200 days covered by obs)
NOAA Normal
32.12"
Departure from Normal
-2.61" : 92% of Normal
Water Year-To-Date: 64.87"
Oct 1, 2024 to Jul 19, 2025(291 of 292 days covered by obs)
NOAA Normal
57.72"
Departure from Normal
7.15" : 112% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
9.36
10.94
-1.58
Feb
6.12
7.55
-1.43
Mar
6.97
8.09
-1.12
Apr
4.63
5.14
-0.51
May
2.74
3.04
-0.30
Jun
1.87
2.02
-0.15
Jul
0.70
0.81
-0.11
Aug
1.11
1.28
-0.17
Sep
2.35
2.72
-0.37
Oct
6.02
7.00
-0.98
Nov
9.91
12.03
-2.12
Dec
9.67
10.87
-1.20
61.45
71.49
-10.04