Viewing Station: OR-CC-123 : Lake Oswego 2.4 SW
Feb 13, 2023 - Nov 7, 2025643 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.52"
November 1-7, 2025(7 of 7 days covered by obs)
NOAA Normal
1.41"
Departure from Normal
2.11" : 250% of Normal
Year-To-Date: 31.62"
Jan 1 to Nov 7, 2025(309 of 311 days covered by obs)
NOAA Normal
29.05"
Departure from Normal
2.57" : 109% of Normal
Water Year-To-Date: 7.46"
Oct 1, 2025 to Nov 7, 2025(38 of 38 days covered by obs)
NOAA Normal
5.15"
Departure from Normal
2.31" : 145% 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