Viewing Station: OR-MT-6 : Portland 2.5 SE
Dec 9, 2007 - Dec 5, 20256,346 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.08"
December 1-5, 2025(5 of 5 days covered by obs)
NOAA Normal
1.10"
Departure from Normal
-0.02" : 98% of Normal
Year-To-Date: 32.61"
Jan 1 to Dec 5, 2025(337 of 339 days covered by obs)
NOAA Normal
36.26"
Departure from Normal
-3.65" : 90% of Normal
Water Year-To-Date: 11.70"
Oct 1, 2025 to Dec 5, 2025(65 of 66 days covered by obs)
NOAA Normal
11.20"
Departure from Normal
0.50" : 104% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.88
6.26
-0.38
Feb
4.29
4.47
-0.18
Mar
4.51
4.83
-0.32
Apr
3.43
3.73
-0.30
May
2.60
2.63
-0.03
Jun
1.72
1.73
-0.01
Jul
0.47
0.45
0.02
Aug
0.58
0.57
0.01
Sep
1.58
1.55
0.03
Oct
3.85
3.91
-0.06
Nov
6.25
6.41
-0.16
Dec
6.80
7.17
-0.37
41.96
43.71
-1.75