Viewing Station: OR-MT-58 : Portland 2.1 E
May 12, 2013 - Dec 5, 20253,312 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
1.10"
Departure from Normal
0.03" : 103% of Normal
Year-To-Date: 24.63"
Jan 1 to Dec 5, 2025(326 of 339 days covered by obs)
NOAA Normal
36.26"
Departure from Normal
-11.63" : 68% of Normal
Water Year-To-Date: 9.76"
Oct 1, 2025 to Dec 5, 2025(65 of 66 days covered by obs)
NOAA Normal
11.20"
Departure from Normal
-1.44" : 87% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.88
6.28
-0.40
Feb
4.29
4.54
-0.25
Mar
4.51
4.89
-0.38
Apr
3.43
3.67
-0.24
May
2.60
2.67
-0.07
Jun
1.72
1.75
-0.03
Jul
0.47
0.46
0.01
Aug
0.58
0.55
0.03
Sep
1.58
1.58
0.00
Oct
3.85
3.91
-0.06
Nov
6.25
6.45
-0.20
Dec
6.80
7.22
-0.42
41.96
43.97
-2.01