Viewing Station: OR-MT-136 : Portland 5.2 SSW
Apr 27, 2020 - May 6, 20251,161 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.09"
May 1-8, 2025(6 of 8 days covered by obs)
NOAA Normal
0.66"
Departure from Normal
-0.57" : 14% of Normal
Year-To-Date: 16.88"
Jan 1 to May 8, 2025(118 of 128 days covered by obs)
NOAA Normal
19.66"
Departure from Normal
-2.78" : 86% of Normal
Water Year-To-Date: 33.46"
Oct 1, 2024 to May 8, 2025(192 of 220 days covered by obs)
NOAA Normal
37.54"
Departure from Normal
-4.08" : 89% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.23
6.40
-0.17
Feb
4.56
4.79
-0.23
Mar
4.67
5.12
-0.45
Apr
3.54
3.79
-0.25
May
2.56
2.62
-0.06
Jun
1.63
1.70
-0.07
Jul
0.43
0.42
0.01
Aug
0.57
0.56
0.01
Sep
1.58
1.60
-0.02
Oct
4.01
4.09
-0.08
Nov
6.59
6.64
-0.05
Dec
7.28
7.48
-0.20
43.65
45.21
-1.56