Viewing Station: OR-MT-58 : Portland 2.1 E
May 12, 2013 - May 7, 20253,136 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.02"
May 1-7, 2025(7 of 7 days covered by obs)
NOAA Normal
0.59"
Departure from Normal
-0.57" : 3% of Normal
Year-To-Date: 11.63"
Jan 1 to May 7, 2025(115 of 127 days covered by obs)
NOAA Normal
18.70"
Departure from Normal
-7.07" : 62% of Normal
Water Year-To-Date: 27.61"
Oct 1, 2024 to May 7, 2025(203 of 219 days covered by obs)
NOAA Normal
35.60"
Departure from Normal
-7.99" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.88
6.28
-0.40
Feb
4.29
4.54
-0.25
Mar
4.51
4.89
-0.38
Apr
3.43
3.67
-0.24
May
2.60
2.67
-0.07
Jun
1.72
1.75
-0.03
Jul
0.47
0.46
0.01
Aug
0.58
0.55
0.03
Sep
1.58
1.58
0.00
Oct
3.85
3.91
-0.06
Nov
6.25
6.45
-0.20
Dec
6.80
7.22
-0.42
41.96
43.97
-2.01