Viewing Station: WA-KG-229 : Seattle 5.5 NNE
Jan 17, 2017 - Aug 20, 20262,952 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
August 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
0.64"
Departure from Normal
-0.64" : 0% of Normal
Year-To-Date: 18.10"
Jan 1 to Aug 20, 2026(222 of 232 days covered by obs)
NOAA Normal
20.71"
Departure from Normal
-2.61" : 87% of Normal
Water Year-To-Date: 35.99"
Oct 1, 2025 to Aug 20, 2026(310 of 324 days covered by obs)
NOAA Normal
35.51"
Departure from Normal
0.48" : 101% 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