Viewing Station: WA-KG-238 : Seattle 5.0 NE
Jan 2, 2018 - Aug 20, 20262,847 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.12"
August 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
0.60"
Departure from Normal
-0.48" : 20% of Normal
Year-To-Date: 17.34"
Jan 1 to Aug 20, 2026(225 of 232 days covered by obs)
NOAA Normal
19.85"
Departure from Normal
-2.51" : 87% of Normal
Water Year-To-Date: 34.80"
Oct 1, 2025 to Aug 20, 2026(317 of 324 days covered by obs)
NOAA Normal
34.04"
Departure from Normal
0.76" : 102% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
4.82
5.25
-0.43
Feb
3.42
3.61
-0.19
Mar
3.93
3.97
-0.04
Apr
2.79
2.87
-0.08
May
1.97
2.06
-0.09
Jun
1.56
1.65
-0.09
Jul
0.76
0.74
0.02
Aug
0.93
0.92
0.01
Sep
1.56
1.64
-0.08
Oct
3.59
3.64
-0.05
Nov
5.44
5.74
-0.30
Dec
5.16
5.66
-0.50
35.93
37.75
-1.82