Viewing Station: OR-CC-100 : Lake Oswego 1.4 NNE
Nov 16, 2018 - Dec 5, 20252,544 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.87"
December 1-5, 2025(5 of 5 days covered by obs)
NOAA Normal
1.17"
Departure from Normal
-0.30" : 74% of Normal
Year-To-Date: 34.67"
Jan 1 to Dec 5, 2025(339 of 339 days covered by obs)
NOAA Normal
37.54"
Departure from Normal
-2.87" : 92% of Normal
Water Year-To-Date: 12.65"
Oct 1, 2025 to Dec 5, 2025(66 of 66 days covered by obs)
NOAA Normal
11.77"
Departure from Normal
0.88" : 107% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.23
6.34
-0.11
Feb
4.56
4.64
-0.08
Mar
4.67
5.00
-0.33
Apr
3.54
3.75
-0.21
May
2.56
2.59
-0.03
Jun
1.63
1.69
-0.06
Jul
0.43
0.42
0.01
Aug
0.57
0.56
0.01
Sep
1.58
1.59
-0.01
Oct
4.01
4.05
-0.04
Nov
6.59
6.61
-0.02
Dec
7.28
7.37
-0.09
43.65
44.61
-0.96