Viewing Station: OR-MT-126 : Portland 6.9 E
May 17, 2020 - May 11, 20262,065 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.01"
May 1-30, 2026(11 of 30 days covered by obs)
NOAA Normal
2.85"
Departure from Normal
-2.84" : 0% of Normal
Year-To-Date: 16.81"
Jan 1 to May 30, 2026(131 of 150 days covered by obs)
NOAA Normal
22.52"
Departure from Normal
-5.71" : 75% of Normal
Water Year-To-Date: 37.86"
Oct 1, 2025 to May 30, 2026(223 of 242 days covered by obs)
NOAA Normal
40.53"
Departure from Normal
-2.67" : 93% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.24
6.28
-0.04
Feb
4.66
4.32
0.34
Mar
4.98
5.00
-0.02
Apr
3.79
3.55
0.24
May
2.95
2.75
0.20
Jun
2.10
1.99
0.11
Jul
0.56
0.51
0.05
Aug
0.67
0.60
0.07
Sep
1.78
1.64
0.14
Oct
4.22
3.95
0.27
Nov
6.72
6.31
0.41
Dec
7.07
7.05
0.02
45.74
43.95
1.79