Viewing Station: WA-SN-12 : Bothell 4.9 NNW
Jun 4, 2008 - Sep 17, 20255,815 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.15"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
0.96"
Departure from Normal
-0.81" : 16% of Normal
Year-To-Date: 16.97"
Jan 1 to Sep 17, 2025(260 of 260 days covered by obs)
NOAA Normal
22.00"
Departure from Normal
-5.03" : 77% of Normal
Water Year-To-Date: 33.91"
Oct 1, 2024 to Sep 17, 2025(354 of 352 days covered by obs)
NOAA Normal
36.31"
Departure from Normal
-2.40" : 93% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
4.75
5.50
-0.75
Feb
3.50
4.11
-0.61
Mar
4.09
4.36
-0.27
Apr
2.96
3.24
-0.28
May
2.16
2.47
-0.31
Jun
1.75
1.99
-0.24
Jul
0.84
0.88
-0.04
Aug
0.99
1.02
-0.03
Sep
1.69
2.00
-0.31
Oct
3.76
3.94
-0.18
Nov
5.27
6.25
-0.98
Dec
5.28
5.66
-0.38
37.04
41.42
-4.38