Viewing Station: OR-JS-1 : O'Brien 2 SW
Sep 1, 2007 - Sep 18, 20266,894 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.35"
September 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
0.53"
Departure from Normal
0.82" : 256% of Normal
Year-To-Date: 26.74"
Jan 1 to Sep 18, 2026(261 of 261 days covered by obs)
NOAA Normal
36.91"
Departure from Normal
-10.17" : 72% of Normal
Water Year-To-Date: 51.13"
Oct 1, 2025 to Sep 18, 2026(353 of 353 days covered by obs)
NOAA Normal
62.53"
Departure from Normal
-11.40" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
11.24
11.90
-0.66
Feb
8.52
9.33
-0.81
Mar
8.14
9.51
-1.37
Apr
4.73
5.65
-0.92
May
2.28
2.50
-0.22
Jun
0.95
1.03
-0.08
Jul
0.23
0.28
-0.05
Aug
0.29
0.23
0.06
Sep
0.88
1.02
-0.14
Oct
3.66
4.59
-0.93
Nov
8.55
9.59
-1.04
Dec
13.41
14.52
-1.11
62.88
70.15
-7.27