Viewing Station: OR-MT-157 : Portland 3.9 SSW
Oct 12, 2023 - Jul 31, 2025401 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
August 1-1, 2025(0 of 1 days covered by obs)
NOAA Normal
0.02"
Departure from Normal
-0.02" : 0% of Normal
Year-To-Date: 15.46"
Jan 1 to Aug 1, 2025(147 of 213 days covered by obs)
NOAA Normal
23.52"
Departure from Normal
-8.06" : 66% of Normal
Water Year-To-Date: 26.38"
Oct 1, 2024 to Aug 1, 2025(213 of 305 days covered by obs)
NOAA Normal
41.34"
Departure from Normal
-14.96" : 64% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.24
6.39
-0.15
Feb
4.60
4.78
-0.18
Mar
4.64
5.10
-0.46
Apr
3.47
3.77
-0.30
May
2.52
2.62
-0.10
Jun
1.61
1.70
-0.09
Jul
0.42
0.43
-0.01
Aug
0.56
0.56
0.00
Sep
1.57
1.60
-0.03
Oct
3.94
4.08
-0.14
Nov
6.59
6.63
-0.04
Dec
7.29
7.50
-0.21
43.45
45.16
-1.71