Viewing Station: WA-KG-322 : Sammamish 0.9 W
Dec 26, 2024 - Aug 28, 2025244 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.79"
August 1-29, 2025(28 of 29 days covered by obs)
NOAA Normal
1.01"
Departure from Normal
-0.22" : 78% of Normal
Year-To-Date: 18.40"
Jan 1 to Aug 29, 2025(240 of 241 days covered by obs)
NOAA Normal
25.02"
Departure from Normal
-6.62" : 74% of Normal
Water Year-To-Date: 19.62"
Oct 1, 2024 to Aug 29, 2025(246 of 333 days covered by obs)
NOAA Normal
42.67"
Departure from Normal
-23.05" : 46% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.11
6.22
-0.11
Feb
4.11
4.43
-0.32
Mar
4.75
4.90
-0.15
Apr
3.61
3.87
-0.26
May
2.55
2.75
-0.20
Jun
2.00
2.27
-0.27
Jul
0.88
0.90
-0.02
Aug
1.08
1.15
-0.07
Sep
2.02
2.09
-0.07
Oct
4.51
4.55
-0.04
Nov
6.84
6.75
0.09
Dec
6.30
6.25
0.05
44.76
46.13
-1.37