Viewing Station: OR-MT-131 : Portland 3.9 E
Nov 25, 2020 - Jun 20, 20251,037 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.19"
June 1-21, 2025(20 of 21 days covered by obs)
NOAA Normal
1.30"
Departure from Normal
-1.11" : 15% of Normal
Year-To-Date: 19.97"
Jan 1 to Jun 21, 2025(170 of 172 days covered by obs)
NOAA Normal
23.03"
Departure from Normal
-3.06" : 87% of Normal
Water Year-To-Date: 33.60"
Oct 1, 2024 to Jun 21, 2025(260 of 264 days covered by obs)
NOAA Normal
40.68"
Departure from Normal
-7.08" : 83% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.15
6.32
-0.17
Feb
4.51
4.59
-0.08
Mar
4.73
5.01
-0.28
Apr
3.61
3.70
-0.09
May
2.73
2.72
0.01
Jun
1.86
1.87
-0.01
Jul
0.50
0.52
-0.02
Aug
0.61
0.58
0.03
Sep
1.65
1.58
0.07
Oct
4.06
4.01
0.05
Nov
6.56
6.36
0.20
Dec
7.03
7.09
-0.06
44.00
44.35
-0.35