Viewing Station: OR-MT-172 : Portland 3.9 SSW
Nov 8, 2025 - Aug 24, 2026275 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
August 1-25, 2026(23 of 25 days covered by obs)
NOAA Normal
0.44"
Departure from Normal
-0.44" : 0% of Normal
Year-To-Date: 20.17"
Jan 1 to Aug 25, 2026(232 of 237 days covered by obs)
NOAA Normal
23.47"
Departure from Normal
-3.30" : 86% of Normal
Water Year-To-Date: 31.80"
Oct 1, 2025 to Aug 25, 2026(284 of 329 days covered by obs)
NOAA Normal
40.99"
Departure from Normal
-9.19" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.13
6.38
-0.25
Feb
4.56
4.84
-0.28
Mar
4.54
5.10
-0.56
Apr
3.35
3.77
-0.42
May
2.45
2.62
-0.17
Jun
1.58
1.69
-0.11
Jul
0.42
0.43
-0.01
Aug
0.55
0.56
-0.01
Sep
1.53
1.58
-0.05
Oct
3.81
4.07
-0.26
Nov
6.48
6.63
-0.15
Dec
7.23
7.53
-0.30
42.63
45.20
-2.57