Viewing Station: OR-MT-105 : Portland 2.8 ENE
Jun 10, 2017 - Dec 5, 2025545 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.13"
December 1-5, 2025(5 of 5 days covered by obs)
NOAA Normal
1.09"
Departure from Normal
0.04" : 104% of Normal
Year-To-Date: 11.51"
Jan 1 to Dec 5, 2025(70 of 339 days covered by obs)
NOAA Normal
36.32"
Departure from Normal
-24.81" : 32% of Normal
Water Year-To-Date: 7.15"
Oct 1, 2025 to Dec 5, 2025(30 of 66 days covered by obs)
NOAA Normal
11.14"
Departure from Normal
-3.99" : 64% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.85
6.26
-0.41
Feb
4.28
4.50
-0.22
Mar
4.50
4.91
-0.41
Apr
3.43
3.65
-0.22
May
2.65
2.66
-0.01
Jun
1.77
1.80
-0.03
Jul
0.49
0.49
0.00
Aug
0.59
0.56
0.03
Sep
1.62
1.56
0.06
Oct
3.83
3.92
-0.09
Nov
6.22
6.36
-0.14
Dec
6.75
7.09
-0.34
41.98
43.76
-1.78