Viewing Station: OR-CB-22 : Rainier 0.4 WSW
Apr 11, 2013 - Sep 20, 20264,554 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.98"
September 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
1.35"
Departure from Normal
-0.37" : 73% of Normal
Year-To-Date: 21.71"
Jan 1 to Sep 20, 2026(250 of 263 days covered by obs)
NOAA Normal
27.81"
Departure from Normal
-6.10" : 78% of Normal
Water Year-To-Date: 42.44"
Oct 1, 2025 to Sep 20, 2026(337 of 355 days covered by obs)
NOAA Normal
46.87"
Departure from Normal
-4.43" : 91% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.70
6.86
-0.16
Feb
4.76
4.62
0.14
Mar
5.01
5.24
-0.23
Apr
3.96
4.17
-0.21
May
2.79
2.60
0.19
Jun
1.85
1.83
0.02
Jul
0.59
0.51
0.08
Aug
0.80
0.72
0.08
Sep
2.02
2.01
0.01
Oct
4.30
4.33
-0.03
Nov
7.17
7.04
0.13
Dec
7.59
7.67
-0.08
47.54
47.60
-0.06