Viewing Station: OR-CC-123 : Lake Oswego 2.4 SW
Feb 13, 2023 - Dec 12, 2025657 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 6.52"
December 1-13, 2025(12 of 13 days covered by obs)
NOAA Normal
2.82"
Departure from Normal
3.70" : 231% of Normal
Year-To-Date: 39.00"
Jan 1 to Dec 13, 2025(344 of 347 days covered by obs)
NOAA Normal
36.49"
Departure from Normal
2.51" : 107% of Normal
Water Year-To-Date: 14.84"
Oct 1, 2025 to Dec 13, 2025(73 of 74 days covered by obs)
NOAA Normal
12.59"
Departure from Normal
2.25" : 118% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.69
6.18
-0.49
Feb
4.20
4.39
-0.19
Mar
4.36
4.70
-0.34
Apr
3.27
3.49
-0.22
May
2.40
2.43
-0.03
Jun
1.52
1.62
-0.10
Jul
0.42
0.41
0.01
Aug
0.53
0.50
0.03
Sep
1.51
1.49
0.02
Oct
3.74
3.84
-0.10
Nov
6.03
6.45
-0.42
Dec
6.72
7.25
-0.53
40.39
42.75
-2.36