Viewing Station: ME-CM-165 : Portland 4.3 W
Nov 11, 2023 - Dec 18, 2025668 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.21"
December 1-19, 2025(18 of 19 days covered by obs)
NOAA Normal
2.78"
Departure from Normal
-1.57" : 44% of Normal
Year-To-Date: 31.15"
Jan 1 to Dec 19, 2025(327 of 353 days covered by obs)
NOAA Normal
46.47"
Departure from Normal
-15.32" : 67% of Normal
Water Year-To-Date: 7.01"
Oct 1, 2025 to Dec 19, 2025(78 of 80 days covered by obs)
NOAA Normal
12.14"
Departure from Normal
-5.13" : 58% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.40
3.53
-0.13
Feb
3.48
3.63
-0.15
Mar
4.12
4.25
-0.13
Apr
4.39
4.56
-0.17
May
3.75
3.67
0.08
Jun
4.37
4.29
0.08
Jul
3.49
3.50
-0.01
Aug
3.45
3.50
-0.05
Sep
3.88
3.73
0.15
Oct
5.00
5.34
-0.34
Nov
4.36
4.26
0.10
Dec
4.53
4.75
-0.22
48.22
49.01
-0.79