Viewing Station: OR-WS-170 : Hillsboro 2.7 W
Dec 31, 2022 - Sep 20, 20261,206 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.73"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
0.91"
Departure from Normal
-0.18" : 81% of Normal
Year-To-Date: 19.30"
Jan 1 to Sep 20, 2026(261 of 263 days covered by obs)
NOAA Normal
22.02"
Departure from Normal
-2.72" : 88% of Normal
Water Year-To-Date: 36.22"
Oct 1, 2025 to Sep 20, 2026(353 of 355 days covered by obs)
NOAA Normal
37.69"
Departure from Normal
-1.47" : 96% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.73
5.84
-0.11
Feb
4.12
4.17
-0.05
Mar
4.06
4.08
-0.02
Apr
2.86
2.86
0.00
May
2.05
2.02
0.03
Jun
1.36
1.34
0.02
Jul
0.39
0.35
0.04
Aug
0.54
0.48
0.06
Sep
1.36
1.28
0.08
Oct
3.29
3.30
-0.01
Nov
5.69
5.92
-0.23
Dec
6.69
7.12
-0.43
38.14
38.76
-0.62