Viewing Station: WA-MS-30 : Shelton 8.3 ENE
Sep 20, 2018 - Sep 17, 20252,488 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.05"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
1.07"
Departure from Normal
-1.02" : 5% of Normal
Year-To-Date: 24.29"
Jan 1 to Sep 17, 2025(249 of 260 days covered by obs)
NOAA Normal
28.76"
Departure from Normal
-4.47" : 84% of Normal
Water Year-To-Date: 49.71"
Oct 1, 2024 to Sep 17, 2025(341 of 352 days covered by obs)
NOAA Normal
50.20"
Departure from Normal
-0.49" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
7.98
8.91
-0.93
Feb
5.00
5.74
-0.74
Mar
5.73
6.44
-0.71
Apr
3.77
4.24
-0.47
May
2.15
2.36
-0.21
Jun
1.47
1.64
-0.17
Jul
0.62
0.68
-0.06
Aug
0.97
1.04
-0.07
Sep
1.89
1.99
-0.10
Oct
5.05
5.39
-0.34
Nov
8.21
9.28
-1.07
Dec
8.18
8.80
-0.62
51.02
56.51
-5.49