Viewing Station: OR-MT-33 : Portland 0.8 ENE
Feb 1, 2011 - Jul 27, 20255,405 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.44"
July 1-28, 2025(27 of 28 days covered by obs)
NOAA Normal
0.40"
Departure from Normal
0.04" : 111% of Normal
Year-To-Date: 20.11"
Jan 1 to Jul 28, 2025(207 of 209 days covered by obs)
NOAA Normal
22.04"
Departure from Normal
-1.93" : 91% of Normal
Water Year-To-Date: 38.92"
Oct 1, 2024 to Jul 28, 2025(299 of 301 days covered by obs)
NOAA Normal
38.50"
Departure from Normal
0.42" : 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