Viewing Station: OR-UM-14 : Umatilla 0.7 WSW
Nov 14, 2009 - May 30, 20262,563 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.56"
May 1-31, 2026(30 of 31 days covered by obs)
NOAA Normal
0.88"
Departure from Normal
-0.32" : 64% of Normal
Year-To-Date: 5.29"
Jan 1 to May 31, 2026(147 of 151 days covered by obs)
NOAA Normal
4.42"
Departure from Normal
0.87" : 120% of Normal
Water Year-To-Date: 10.35"
Oct 1, 2025 to May 31, 2026(238 of 243 days covered by obs)
NOAA Normal
7.50"
Departure from Normal
2.85" : 138% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.16
1.09
0.07
Feb
0.84
0.79
0.05
Mar
0.83
0.81
0.02
Apr
0.71
0.68
0.03
May
0.88
0.83
0.05
Jun
0.61
0.57
0.04
Jul
0.17
0.16
0.01
Aug
0.22
0.19
0.03
Sep
0.30
0.29
0.01
Oct
0.78
0.74
0.04
Nov
1.03
0.98
0.05
Dec
1.27
1.22
0.05
8.80
8.35
0.45