Viewing Station: OR-MT-174 : Portland 4.0 SW
Oct 26, 2025 - May 1, 2026139 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
May 1-2, 2026(1 of 2 days covered by obs)
NOAA Normal
0.16"
Departure from Normal
-0.16" : 0% of Normal
Year-To-Date: 11.61"
Jan 1 to May 2, 2026(90 of 122 days covered by obs)
NOAA Normal
19.11"
Departure from Normal
-7.50" : 61% of Normal
Water Year-To-Date: 23.37"
Oct 1, 2025 to May 2, 2026(139 of 214 days covered by obs)
NOAA Normal
36.93"
Departure from Normal
-13.56" : 63% 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