Viewing Station: OR-MT-158 : Portland 3.9 SE
Sep 20, 2023 - Jul 14, 2025595 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
July 1-15, 2025(14 of 15 days covered by obs)
NOAA Normal
0.21"
Departure from Normal
-0.21" : 0% of Normal
Year-To-Date: 18.43"
Jan 1 to Jul 15, 2025(195 of 196 days covered by obs)
NOAA Normal
22.33"
Departure from Normal
-3.90" : 83% of Normal
Water Year-To-Date: 37.10"
Oct 1, 2024 to Jul 15, 2025(286 of 288 days covered by obs)
NOAA Normal
39.11"
Departure from Normal
-2.01" : 95% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.83
6.27
-0.44
Feb
4.26
4.49
-0.23
Mar
4.41
4.87
-0.46
Apr
3.41
3.72
-0.31
May
2.54
2.64
-0.10
Jun
1.67
1.74
-0.07
Jul
0.44
0.46
-0.02
Aug
0.56
0.58
-0.02
Sep
1.53
1.55
-0.02
Oct
3.81
3.93
-0.12
Nov
6.22
6.42
-0.20
Dec
6.75
7.19
-0.44
41.43
43.86
-2.43