Viewing Station: OR-MT-82 : Portland 5.2 ESE
Jul 15, 2015 - Dec 19, 20253,629 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 9.24"
December 1-19, 2025(19 of 19 days covered by obs)
NOAA Normal
4.31"
Departure from Normal
4.93" : 214% of Normal
Year-To-Date: 43.31"
Jan 1 to Dec 19, 2025(353 of 353 days covered by obs)
NOAA Normal
41.28"
Departure from Normal
2.03" : 105% of Normal
Water Year-To-Date: 21.04"
Oct 1, 2025 to Dec 19, 2025(80 of 80 days covered by obs)
NOAA Normal
14.93"
Departure from Normal
6.11" : 141% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.15
6.47
-0.32
Feb
4.51
4.69
-0.18
Mar
4.73
5.10
-0.37
Apr
3.61
3.77
-0.16
May
2.73
2.83
-0.10
Jun
1.86
1.89
-0.03
Jul
0.50
0.52
-0.02
Aug
0.61
0.60
0.01
Sep
1.65
1.60
0.05
Oct
4.06
4.09
-0.03
Nov
6.56
6.53
0.03
Dec
7.03
7.35
-0.32
44.00
45.44
-1.44