Viewing Station: ME-CM-143 : Portland 5.4 NW
Oct 1, 2020 - Dec 18, 20251,795 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.19"
December 1-19, 2025(18 of 19 days covered by obs)
NOAA Normal
2.75"
Departure from Normal
-1.56" : 43% of Normal
Year-To-Date: 37.27"
Jan 1 to Dec 19, 2025(351 of 353 days covered by obs)
NOAA Normal
46.52"
Departure from Normal
-9.25" : 80% of Normal
Water Year-To-Date: 7.81"
Oct 1, 2025 to Dec 19, 2025(78 of 80 days covered by obs)
NOAA Normal
12.22"
Departure from Normal
-4.41" : 64% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.39
3.47
-0.08
Feb
3.40
3.59
-0.19
Mar
4.08
4.22
-0.14
Apr
4.38
4.55
-0.17
May
3.74
3.67
0.07
Jun
4.39
4.36
0.03
Jul
3.53
3.56
-0.03
Aug
3.47
3.51
-0.04
Sep
3.92
3.78
0.14
Oct
5.08
5.38
-0.30
Nov
4.39
4.21
0.18
Dec
4.48
4.71
-0.23
48.25
49.01
-0.76