Viewing Station: OR-BN-101 : Corvallis 1.5 NNW
Jan 14, 2015 - Sep 19, 20264,205 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.41"
September 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
0.89"
Departure from Normal
1.52" : 270% of Normal
Year-To-Date: 16.32"
Jan 1 to Sep 20, 2026(261 of 263 days covered by obs)
NOAA Normal
28.13"
Departure from Normal
-11.81" : 58% of Normal
Water Year-To-Date: 32.89"
Oct 1, 2025 to Sep 20, 2026(353 of 355 days covered by obs)
NOAA Normal
48.54"
Departure from Normal
-15.65" : 68% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
7.78
7.15
0.63
Feb
5.85
5.26
0.59
Mar
5.86
5.03
0.83
Apr
3.80
3.34
0.46
May
2.15
2.13
0.02
Jun
1.15
1.27
-0.12
Jul
0.28
0.28
0.00
Aug
0.37
0.34
0.03
Sep
1.34
1.42
-0.08
Oct
3.77
3.48
0.29
Nov
7.32
6.66
0.66
Dec
9.32
8.01
1.31
48.99
44.37
4.62