Viewing Station: AL-SH-61 : Wilsonville 2.2 NNW
Oct 24, 2016 - Sep 20, 20263,101 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.17"
September 1-20, 2026(16 of 20 days covered by obs)
NOAA Normal
2.49"
Departure from Normal
-1.32" : 47% of Normal
Year-To-Date: 40.30"
Jan 1 to Sep 20, 2026(241 of 263 days covered by obs)
NOAA Normal
40.86"
Departure from Normal
-0.56" : 99% of Normal
Water Year-To-Date: 52.95"
Oct 1, 2025 to Sep 20, 2026(325 of 355 days covered by obs)
NOAA Normal
53.73"
Departure from Normal
-0.78" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.19
5.23
-0.04
Feb
5.36
5.44
-0.08
Mar
5.28
5.35
-0.07
Apr
4.68
4.95
-0.27
May
4.24
4.36
-0.12
Jun
4.80
4.78
0.02
Jul
4.57
4.51
0.06
Aug
4.25
4.30
-0.05
Sep
3.74
3.93
-0.19
Oct
3.40
3.31
0.09
Nov
4.43
4.50
-0.07
Dec
5.04
5.19
-0.15
54.98
55.85
-0.87