Viewing Station: OR-WS-184 : Portland 4.2 WSW
Oct 27, 2025 - Dec 13, 202546 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.02"
December 1-13, 2025(13 of 13 days covered by obs)
NOAA Normal
2.87"
Departure from Normal
1.15" : 140% of Normal
Year-To-Date: 9.98"
Jan 1 to Dec 13, 2025(46 of 347 days covered by obs)
NOAA Normal
36.05"
Departure from Normal
-26.07" : 28% of Normal
Water Year-To-Date: 9.98"
Oct 1, 2025 to Dec 13, 2025(46 of 74 days covered by obs)
NOAA Normal
12.47"
Departure from Normal
-2.49" : 80% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.75
6.09
-0.34
Feb
4.29
4.60
-0.31
Mar
4.24
4.62
-0.38
Apr
3.10
3.52
-0.42
May
2.32
2.48
-0.16
Jun
1.50
1.62
-0.12
Jul
0.40
0.43
-0.03
Aug
0.54
0.51
0.03
Sep
1.44
1.51
-0.07
Oct
3.53
3.81
-0.28
Nov
6.07
6.39
-0.32
Dec
6.84
7.26
-0.42
40.02
42.84
-2.82