Viewing Station: OR-MT-89 : Portland 9.8 ESE
Dec 4, 2015 - May 23, 20263,424 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.73"
May 1-24, 2026(23 of 24 days covered by obs)
NOAA Normal
2.33"
Departure from Normal
-1.60" : 31% of Normal
Year-To-Date: 19.33"
Jan 1 to May 24, 2026(142 of 144 days covered by obs)
NOAA Normal
23.52"
Departure from Normal
-4.19" : 82% of Normal
Water Year-To-Date: 42.37"
Oct 1, 2025 to May 24, 2026(234 of 236 days covered by obs)
NOAA Normal
43.05"
Departure from Normal
-0.68" : 98% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.72
7.06
-0.34
Feb
5.03
5.14
-0.11
Mar
5.33
5.56
-0.23
Apr
4.11
4.28
-0.17
May
3.01
3.14
-0.13
Jun
2.10
2.19
-0.09
Jul
0.52
0.54
-0.02
Aug
0.66
0.68
-0.02
Sep
1.81
1.88
-0.07
Oct
4.52
4.65
-0.13
Nov
7.30
7.14
0.16
Dec
7.71
7.82
-0.11
48.82
50.08
-1.26