Viewing Station: OR-BN-91 : Corvallis 1.7 SW
Sep 23, 2014 - May 20, 20262,329 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.16"
May 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
1.36"
Departure from Normal
-1.20" : 12% of Normal
Year-To-Date: 12.57"
Jan 1 to May 20, 2026(134 of 140 days covered by obs)
NOAA Normal
22.50"
Departure from Normal
-9.93" : 56% of Normal
Water Year-To-Date: 25.41"
Oct 1, 2025 to May 20, 2026(224 of 232 days covered by obs)
NOAA Normal
40.73"
Departure from Normal
-15.32" : 62% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.84
6.34
0.50
Feb
5.31
4.83
0.48
Mar
5.46
4.77
0.69
Apr
3.53
3.20
0.33
May
2.11
2.11
0.00
Jun
1.11
1.25
-0.14
Jul
0.29
0.30
-0.01
Aug
0.36
0.34
0.02
Sep
1.28
1.32
-0.04
Oct
3.50
3.30
0.20
Nov
6.56
6.17
0.39
Dec
8.17
7.51
0.66
44.52
41.44
3.08