Viewing Station: WA-TH-40 : Olympia 8.5 WSW
May 10, 2015 - May 9, 20253,530 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.03"
May 1-9, 2025(9 of 9 days covered by obs)
NOAA Normal
0.80"
Departure from Normal
-0.77" : 4% of Normal
Year-To-Date: 27.40"
Jan 1 to May 9, 2025(129 of 129 days covered by obs)
NOAA Normal
27.88"
Departure from Normal
-0.48" : 98% of Normal
Water Year-To-Date: 62.76"
Oct 1, 2024 to May 9, 2025(221 of 221 days covered by obs)
NOAA Normal
53.48"
Departure from Normal
9.28" : 117% 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