Viewing Station: OR-MT-20 : Troutdale 4.2 ESE
Mar 17, 2008 - Dec 5, 20256,430 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.15"
December 1-5, 2025(5 of 5 days covered by obs)
NOAA Normal
1.42"
Departure from Normal
0.73" : 152% of Normal
Year-To-Date: 39.45"
Jan 1 to Dec 5, 2025(339 of 339 days covered by obs)
NOAA Normal
52.41"
Departure from Normal
-12.96" : 75% of Normal
Water Year-To-Date: 14.19"
Oct 1, 2025 to Dec 5, 2025(66 of 66 days covered by obs)
NOAA Normal
15.99"
Departure from Normal
-1.80" : 89% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
7.80
7.33
0.47
Feb
6.03
5.46
0.57
Mar
6.46
5.99
0.47
Apr
5.42
4.68
0.74
May
3.88
3.39
0.49
Jun
2.93
2.56
0.37
Jul
0.68
0.62
0.06
Aug
0.88
0.76
0.12
Sep
2.34
2.07
0.27
Oct
5.73
4.99
0.74
Nov
8.84
7.76
1.08
Dec
8.78
8.45
0.33
59.77
54.06
5.71