Viewing Station: WA-TH-40 : Olympia 8.5 WSW
May 10, 2015 - Dec 9, 20253,744 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 7.73"
December 1-9, 2025(9 of 9 days covered by obs)
NOAA Normal
2.81"
Departure from Normal
4.92" : 275% of Normal
Year-To-Date: 63.61"
Jan 1 to Dec 9, 2025(343 of 343 days covered by obs)
NOAA Normal
54.59"
Departure from Normal
9.02" : 117% of Normal
Water Year-To-Date: 28.84"
Oct 1, 2025 to Dec 9, 2025(70 of 70 days covered by obs)
NOAA Normal
18.74"
Departure from Normal
10.10" : 154% 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