Viewing Station: WA-SN-89 : Arlington 2.1 NW
Sep 30, 2017 - Sep 17, 20252,886 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.37"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
1.60"
Departure from Normal
-1.23" : 23% of Normal
Year-To-Date: 21.52"
Jan 1 to Sep 17, 2025(261 of 260 days covered by obs)
NOAA Normal
31.69"
Departure from Normal
-10.17" : 68% of Normal
Water Year-To-Date: 40.69"
Oct 1, 2024 to Sep 17, 2025(353 of 352 days covered by obs)
NOAA Normal
51.36"
Departure from Normal
-10.67" : 79% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.82
5.78
1.04
Feb
4.80
4.13
0.67
Mar
5.43
4.76
0.67
Apr
4.40
4.09
0.31
May
3.33
3.18
0.15
Jun
2.63
2.45
0.18
Jul
1.22
1.12
0.10
Aug
1.46
1.23
0.23
Sep
2.82
2.41
0.41
Oct
5.35
4.74
0.61
Nov
7.78
6.65
1.13
Dec
6.54
5.90
0.64
52.58
46.44
6.14