Viewing Station: OR-MT-160 : Portland 3.7 SSW
Jan 1, 2024 - Aug 20, 2026749 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
August 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
0.35"
Departure from Normal
-0.35" : 0% of Normal
Year-To-Date: 19.89"
Jan 1 to Aug 20, 2026(229 of 232 days covered by obs)
NOAA Normal
23.38"
Departure from Normal
-3.49" : 85% of Normal
Water Year-To-Date: 39.21"
Oct 1, 2025 to Aug 20, 2026(321 of 324 days covered by obs)
NOAA Normal
40.90"
Departure from Normal
-1.69" : 96% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.13
6.34
-0.21
Feb
4.56
4.83
-0.27
Mar
4.54
5.05
-0.51
Apr
3.35
3.72
-0.37
May
2.45
2.61
-0.16
Jun
1.58
1.67
-0.09
Jul
0.42
0.43
-0.01
Aug
0.55
0.54
0.01
Sep
1.53
1.56
-0.03
Oct
3.81
4.01
-0.20
Nov
6.48
6.61
-0.13
Dec
7.23
7.51
-0.28
42.63
44.88
-2.25