Viewing Station: OR-MT-20 : Troutdale 4.2 ESE
Mar 17, 2008 - Jul 22, 20256,294 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.05"
July 1-23, 2025(22 of 23 days covered by obs)
NOAA Normal
0.50"
Departure from Normal
-0.45" : 10% of Normal
Year-To-Date: 23.19"
Jan 1 to Jul 23, 2025(203 of 204 days covered by obs)
NOAA Normal
33.02"
Departure from Normal
-9.83" : 70% of Normal
Water Year-To-Date: 45.10"
Oct 1, 2024 to Jul 23, 2025(295 of 296 days covered by obs)
NOAA Normal
56.37"
Departure from Normal
-11.27" : 80% 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