Viewing Station: OR-MT-116 : Lake Oswego 2.0 NNW
Apr 11, 2019 - Oct 14, 20251,596 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
May 1-1, 2026(0 of 1 days covered by obs)
NOAA Normal
0.08"
Departure from Normal
-0.08" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to May 1, 2026(0 of 121 days covered by obs)
NOAA Normal
18.84"
Departure from Normal
-18.84" : 0% of Normal
Water Year-To-Date: 2.37"
Oct 1, 2025 to May 1, 2026(14 of 213 days covered by obs)
NOAA Normal
36.56"
Departure from Normal
-34.19" : 6% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.14
6.62
-0.48
Feb
4.56
5.00
-0.44
Mar
4.62
5.33
-0.71
Apr
3.44
3.91
-0.47
May
2.48
2.70
-0.22
Jun
1.60
1.75
-0.15
Jul
0.44
0.43
0.01
Aug
0.55
0.56
-0.01
Sep
1.54
1.65
-0.11
Oct
3.95
4.20
-0.25
Nov
6.55
6.73
-0.18
Dec
7.22
7.51
-0.29
43.09
46.39
-3.30