Viewing Station: WA-KG-229 : Seattle 5.5 NNE
Jan 17, 2017 - Aug 31, 20252,621 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
September 1-1, 2025(0 of 1 days covered by obs)
NOAA Normal
0.05"
Departure from Normal
-0.05" : 0% of Normal
Year-To-Date: 17.71"
Jan 1 to Sep 1, 2025(235 of 244 days covered by obs)
NOAA Normal
21.11"
Departure from Normal
-3.40" : 84% of Normal
Water Year-To-Date: 35.77"
Oct 1, 2024 to Sep 1, 2025(327 of 336 days covered by obs)
NOAA Normal
35.91"
Departure from Normal
-0.14" : 100% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.00
5.29
-0.29
Feb
3.59
3.55
0.04
Mar
4.11
3.83
0.28
Apr
2.95
2.74
0.21
May
2.04
2.07
-0.03
Jun
1.61
1.67
-0.06
Jul
0.77
0.78
-0.01
Aug
0.99
0.93
0.06
Sep
1.63
1.63
0.00
Oct
3.73
3.62
0.11
Nov
5.67
5.92
-0.25
Dec
5.40
5.59
-0.19
37.49
37.62
-0.13