Viewing Station: OR-MT-20 : Troutdale 4.2 ESE
Mar 17, 2008 - May 4, 20256,205 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.05"
May 1-7, 2025(4 of 7 days covered by obs)
NOAA Normal
0.88"
Departure from Normal
-0.83" : 6% of Normal
Year-To-Date: 19.08"
Jan 1 to May 7, 2025(114 of 127 days covered by obs)
NOAA Normal
26.59"
Departure from Normal
-7.51" : 72% of Normal
Water Year-To-Date: 40.99"
Oct 1, 2024 to May 7, 2025(206 of 219 days covered by obs)
NOAA Normal
49.94"
Departure from Normal
-8.95" : 82% 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