Viewing Station: OR-MT-33 : Portland 0.8 ENE
Feb 1, 2011 - Aug 28, 20255,437 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.43"
August 1-29, 2025(28 of 29 days covered by obs)
NOAA Normal
0.52"
Departure from Normal
-0.09" : 82% of Normal
Year-To-Date: 20.54"
Jan 1 to Aug 29, 2025(239 of 241 days covered by obs)
NOAA Normal
22.60"
Departure from Normal
-2.06" : 91% of Normal
Water Year-To-Date: 39.35"
Oct 1, 2024 to Aug 29, 2025(331 of 333 days covered by obs)
NOAA Normal
39.06"
Departure from Normal
0.29" : 101% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.74
6.28
-0.54
Feb
4.19
4.54
-0.35
Mar
4.32
4.86
-0.54
Apr
3.29
3.63
-0.34
May
2.48
2.65
-0.17
Jun
1.62
1.71
-0.09
Jul
0.44
0.44
0.00
Aug
0.56
0.55
0.01
Sep
1.53
1.58
-0.05
Oct
3.70
3.85
-0.15
Nov
6.08
6.49
-0.41
Dec
6.68
7.26
-0.58
40.63
43.84
-3.21