Viewing Station: OR-CC-8 : Oregon City 5.5 ESE
Dec 17, 2007 - Sep 21, 20266,532 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.62"
September 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
1.26"
Departure from Normal
0.36" : 129% of Normal
Year-To-Date: 25.26"
Jan 1 to Sep 21, 2026(264 of 264 days covered by obs)
NOAA Normal
28.52"
Departure from Normal
-3.26" : 89% of Normal
Water Year-To-Date: 52.80"
Oct 1, 2025 to Sep 21, 2026(356 of 356 days covered by obs)
NOAA Normal
47.73"
Departure from Normal
5.07" : 111% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.26
6.87
-0.61
Feb
4.89
5.14
-0.25
Mar
5.26
5.60
-0.34
Apr
4.46
4.28
0.18
May
3.08
2.95
0.13
Jun
2.13
1.96
0.17
Jul
0.51
0.51
0.00
Aug
0.67
0.61
0.06
Sep
1.80
1.77
0.03
Oct
4.50
4.42
0.08
Nov
7.17
7.13
0.04
Dec
7.54
7.83
-0.29
48.27
49.07
-0.80