Viewing Station: OR-MT-174 : Portland 4.0 SW
Oct 26, 2025 - Aug 24, 2026224 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
August 1-25, 2026(20 of 25 days covered by obs)
NOAA Normal
0.45"
Departure from Normal
-0.45" : 0% of Normal
Year-To-Date: 13.69"
Jan 1 to Aug 25, 2026(175 of 237 days covered by obs)
NOAA Normal
23.95"
Departure from Normal
-10.26" : 57% of Normal
Water Year-To-Date: 25.45"
Oct 1, 2025 to Aug 25, 2026(224 of 329 days covered by obs)
NOAA Normal
41.77"
Departure from Normal
-16.32" : 61% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.24
6.47
-0.23
Feb
4.60
5.03
-0.43
Mar
4.64
5.34
-0.70
Apr
3.47
3.93
-0.46
May
2.52
2.66
-0.14
Jun
1.61
1.74
-0.13
Jul
0.42
0.46
-0.04
Aug
0.56
0.56
0.00
Sep
1.57
1.63
-0.06
Oct
3.94
4.34
-0.40
Nov
6.59
6.83
-0.24
Dec
7.29
7.74
-0.45
43.45
46.73
-3.28