Viewing Station: OR-MT-114 : Portland 2.6 ESE
Mar 9, 2019 - Sep 21, 20262,595 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.92"
September 1-22, 2026(20 of 22 days covered by obs)
NOAA Normal
1.16"
Departure from Normal
-0.24" : 79% of Normal
Year-To-Date: 20.30"
Jan 1 to Sep 22, 2026(259 of 265 days covered by obs)
NOAA Normal
24.64"
Departure from Normal
-4.34" : 82% of Normal
Water Year-To-Date: 39.84"
Oct 1, 2025 to Sep 22, 2026(350 of 357 days covered by obs)
NOAA Normal
41.54"
Departure from Normal
-1.70" : 96% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.88
6.30
-0.42
Feb
4.29
4.53
-0.24
Mar
4.51
4.89
-0.38
Apr
3.43
3.74
-0.31
May
2.60
2.67
-0.07
Jun
1.72
1.74
-0.02
Jul
0.47
0.46
0.01
Aug
0.58
0.57
0.01
Sep
1.58
1.56
0.02
Oct
3.85
3.95
-0.10
Nov
6.25
6.44
-0.19
Dec
6.80
7.22
-0.42
41.96
44.07
-2.11