Viewing Station: OR-MT-131 : Portland 3.9 E
Nov 25, 2020 - May 3, 20251,014 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.03"
May 1-7, 2025(3 of 7 days covered by obs)
NOAA Normal
0.62"
Departure from Normal
-0.59" : 5% of Normal
Year-To-Date: 18.24"
Jan 1 to May 7, 2025(122 of 127 days covered by obs)
NOAA Normal
19.62"
Departure from Normal
-1.38" : 93% of Normal
Water Year-To-Date: 31.87"
Oct 1, 2024 to May 7, 2025(212 of 219 days covered by obs)
NOAA Normal
37.27"
Departure from Normal
-5.40" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.15
6.32
-0.17
Feb
4.51
4.59
-0.08
Mar
4.73
5.01
-0.28
Apr
3.61
3.70
-0.09
May
2.73
2.72
0.01
Jun
1.86
1.87
-0.01
Jul
0.50
0.52
-0.02
Aug
0.61
0.58
0.03
Sep
1.65
1.58
0.07
Oct
4.06
4.01
0.05
Nov
6.56
6.36
0.20
Dec
7.03
7.09
-0.06
44.00
44.35
-0.35