Viewing Station: OR-MT-169 : Troutdale 1.2 SE
Aug 16, 2025 - Sep 21, 2026321 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.38"
September 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
1.62"
Departure from Normal
-0.24" : 85% of Normal
Year-To-Date: 21.58"
Jan 1 to Sep 22, 2026(263 of 265 days covered by obs)
NOAA Normal
33.03"
Departure from Normal
-11.45" : 65% of Normal
Water Year-To-Date: 43.01"
Oct 1, 2025 to Sep 22, 2026(318 of 357 days covered by obs)
NOAA Normal
54.55"
Departure from Normal
-11.54" : 79% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
7.21
6.73
0.48
Feb
5.50
4.90
0.60
Mar
5.97
5.19
0.78
Apr
4.99
4.24
0.75
May
3.58
3.12
0.46
Jun
2.66
2.39
0.27
Jul
0.67
0.62
0.05
Aug
0.83
0.72
0.11
Sep
2.21
1.82
0.39
Oct
5.26
4.44
0.82
Nov
8.08
7.13
0.95
Dec
8.18
7.65
0.53
55.14
48.95
6.19