Viewing Station: OR-MT-158 : Portland 3.9 SE
Sep 20, 2023 - Dec 8, 2025722 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.55"
December 1-8, 2025(8 of 8 days covered by obs)
NOAA Normal
1.74"
Departure from Normal
-0.19" : 89% of Normal
Year-To-Date: 33.03"
Jan 1 to Dec 8, 2025(334 of 342 days covered by obs)
NOAA Normal
36.42"
Departure from Normal
-3.39" : 91% of Normal
Water Year-To-Date: 13.09"
Oct 1, 2025 to Dec 8, 2025(69 of 69 days covered by obs)
NOAA Normal
11.77"
Departure from Normal
1.32" : 111% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.83
6.27
-0.44
Feb
4.26
4.49
-0.23
Mar
4.41
4.87
-0.46
Apr
3.41
3.72
-0.31
May
2.54
2.64
-0.10
Jun
1.67
1.74
-0.07
Jul
0.44
0.46
-0.02
Aug
0.56
0.58
-0.02
Sep
1.53
1.55
-0.02
Oct
3.81
3.93
-0.12
Nov
6.22
6.42
-0.20
Dec
6.75
7.19
-0.44
41.43
43.86
-2.43