Viewing Station: OR-CB-37 : Rainier 1.9 WSW
Jan 27, 2016 - Sep 29, 20263,392 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.69"
September 1-29, 2026(29 of 29 days covered by obs)
NOAA Normal
2.30"
Departure from Normal
-0.61" : 73% of Normal
Year-To-Date: 24.46"
Jan 1 to Sep 29, 2026(270 of 272 days covered by obs)
NOAA Normal
34.97"
Departure from Normal
-10.51" : 70% of Normal
Water Year-To-Date: 48.60"
Oct 1, 2025 to Sep 29, 2026(361 of 364 days covered by obs)
NOAA Normal
58.77"
Departure from Normal
-10.17" : 83% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
8.47
7.92
0.55
Feb
6.09
6.08
0.01
Mar
6.40
5.84
0.56
Apr
4.80
4.44
0.36
May
3.21
2.75
0.46
Jun
2.14
1.93
0.21
Jul
0.66
0.62
0.04
Aug
0.90
0.76
0.14
Sep
2.38
2.04
0.34
Oct
5.33
4.67
0.66
Nov
8.98
8.54
0.44
Dec
9.49
9.09
0.40
58.85
54.68
4.17