Viewing Station: WA-KG-199 : Seattle 4.5 N
Oct 1, 2014 - Sep 17, 20251,286 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.04"
September 1-17, 2025(11 of 17 days covered by obs)
NOAA Normal
0.93"
Departure from Normal
-0.89" : 4% of Normal
Year-To-Date: 0.98"
Jan 1 to Sep 17, 2025(30 of 260 days covered by obs)
NOAA Normal
22.41"
Departure from Normal
-21.43" : 4% of Normal
Water Year-To-Date: 0.98"
Oct 1, 2024 to Sep 17, 2025(30 of 352 days covered by obs)
NOAA Normal
37.58"
Departure from Normal
-36.60" : 3% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.17
5.51
-0.34
Feb
3.70
3.69
0.01
Mar
4.22
4.10
0.12
Apr
2.99
2.94
0.05
May
2.04
2.03
0.01
Jun
1.59
1.62
-0.03
Jul
0.78
0.75
0.03
Aug
0.99
0.94
0.05
Sep
1.64
1.57
0.07
Oct
3.78
3.67
0.11
Nov
5.76
5.91
-0.15
Dec
5.63
5.74
-0.11
38.29
38.47
-0.18