Viewing Station: OR-CB-18 : Rainier 5.7 WNW
Feb 16, 2013 - Sep 29, 20264,938 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.82"
September 1-29, 2026(29 of 29 days covered by obs)
NOAA Normal
2.17"
Departure from Normal
-0.35" : 84% of Normal
Year-To-Date: 23.17"
Jan 1 to Sep 29, 2026(271 of 272 days covered by obs)
NOAA Normal
33.71"
Departure from Normal
-10.54" : 69% of Normal
Water Year-To-Date: 48.29"
Oct 1, 2025 to Sep 29, 2026(362 of 364 days covered by obs)
NOAA Normal
57.16"
Departure from Normal
-8.86" : 84% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
8.34
7.81
0.53
Feb
5.97
5.73
0.24
Mar
6.25
5.72
0.53
Apr
4.57
4.39
0.18
May
2.97
2.75
0.22
Jun
1.97
1.92
0.05
Jul
0.62
0.60
0.02
Aug
0.84
0.76
0.08
Sep
2.25
2.07
0.18
Oct
5.06
4.66
0.40
Nov
8.85
8.29
0.56
Dec
9.54
8.84
0.70
57.23
53.54
3.69