Viewing Station: OR-WS-75 : Hillsboro 1.3 SSE
Jan 1, 2013 - Sep 19, 20264,866 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.67"
September 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
0.89"
Departure from Normal
-0.22" : 76% of Normal
Year-To-Date: 17.87"
Jan 1 to Sep 20, 2026(262 of 263 days covered by obs)
NOAA Normal
21.89"
Departure from Normal
-4.02" : 82% of Normal
Water Year-To-Date: 33.86"
Oct 1, 2025 to Sep 20, 2026(354 of 355 days covered by obs)
NOAA Normal
37.54"
Departure from Normal
-3.68" : 90% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.69
5.58
0.11
Feb
4.17
4.08
0.09
Mar
4.04
3.92
0.12
Apr
2.83
2.84
-0.01
May
2.03
2.04
-0.01
Jun
1.34
1.33
0.01
Jul
0.38
0.37
0.01
Aug
0.52
0.46
0.06
Sep
1.33
1.29
0.04
Oct
3.27
3.22
0.05
Nov
5.70
5.85
-0.15
Dec
6.68
7.08
-0.40
37.98
38.06
-0.08