Viewing Station: OR-MT-142 : Portland 5.2 E
Oct 12, 2021 - May 7, 20251,042 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.04"
May 1-7, 2025(7 of 7 days covered by obs)
NOAA Normal
0.62"
Departure from Normal
-0.58" : 6% of Normal
Year-To-Date: 16.65"
Jan 1 to May 7, 2025(127 of 127 days covered by obs)
NOAA Normal
19.09"
Departure from Normal
-2.44" : 87% of Normal
Water Year-To-Date: 35.61"
Oct 1, 2024 to May 7, 2025(219 of 219 days covered by obs)
NOAA Normal
36.09"
Departure from Normal
-0.48" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.93
6.38
-0.45
Feb
4.40
4.65
-0.25
Mar
4.63
5.08
-0.45
Apr
3.51
3.73
-0.22
May
2.76
2.77
-0.01
Jun
1.92
1.94
-0.02
Jul
0.52
0.52
0.00
Aug
0.63
0.60
0.03
Sep
1.67
1.62
0.05
Oct
3.95
4.05
-0.10
Nov
6.30
6.40
-0.10
Dec
6.75
7.16
-0.41
42.97
44.90
-1.93