Viewing Station: OR-MT-159 : Portland 6.1 SSW
Nov 10, 2023 - Jul 7, 2025598 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
July 1-9, 2025(7 of 9 days covered by obs)
NOAA Normal
0.13"
Departure from Normal
-0.13" : 0% of Normal
Year-To-Date: 17.62"
Jan 1 to Jul 9, 2025(188 of 190 days covered by obs)
NOAA Normal
22.97"
Departure from Normal
-5.35" : 77% of Normal
Water Year-To-Date: 35.48"
Oct 1, 2024 to Jul 9, 2025(279 of 282 days covered by obs)
NOAA Normal
40.69"
Departure from Normal
-5.21" : 87% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.14
6.23
-0.09
Feb
4.56
4.65
-0.09
Mar
4.62
4.79
-0.17
Apr
3.44
3.61
-0.17
May
2.48
2.51
-0.03
Jun
1.60
1.65
-0.05
Jul
0.44
0.41
0.03
Aug
0.55
0.52
0.03
Sep
1.54
1.54
0.00
Oct
3.95
3.93
0.02
Nov
6.55
6.49
0.06
Dec
7.22
7.31
-0.09
43.09
43.64
-0.55