Viewing Station: OR-WS-143 : Beaverton 0.6 NNE
Dec 7, 2019 - Sep 19, 20262,263 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.91"
September 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
0.95"
Departure from Normal
-0.04" : 96% of Normal
Year-To-Date: 18.89"
Jan 1 to Sep 20, 2026(255 of 263 days covered by obs)
NOAA Normal
22.78"
Departure from Normal
-3.89" : 83% of Normal
Water Year-To-Date: 35.77"
Oct 1, 2025 to Sep 20, 2026(344 of 355 days covered by obs)
NOAA Normal
39.00"
Departure from Normal
-3.23" : 92% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.72
5.86
-0.14
Feb
4.25
4.35
-0.10
Mar
4.18
4.28
-0.10
Apr
3.04
3.23
-0.19
May
2.23
2.31
-0.08
Jun
1.49
1.58
-0.09
Jul
0.39
0.42
-0.03
Aug
0.53
0.47
0.06
Sep
1.42
1.42
0.00
Oct
3.48
3.54
-0.06
Nov
5.96
6.15
-0.19
Dec
6.78
7.01
-0.23
39.47
40.62
-1.15