Viewing Station: ME-CM-128 : South Portland 1.6 S
Jul 18, 2018 - Aug 29, 20252,579 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.82"
August 1-29, 2025(29 of 29 days covered by obs)
NOAA Normal
3.21"
Departure from Normal
-2.39" : 26% of Normal
Year-To-Date: 29.95"
Jan 1 to Aug 29, 2025(237 of 241 days covered by obs)
NOAA Normal
30.27"
Departure from Normal
-0.32" : 99% of Normal
Water Year-To-Date: 40.63"
Oct 1, 2024 to Aug 29, 2025(329 of 333 days covered by obs)
NOAA Normal
44.17"
Departure from Normal
-3.54" : 92% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.43
3.55
-0.12
Feb
3.50
3.62
-0.12
Mar
4.17
4.26
-0.09
Apr
4.42
4.56
-0.14
May
3.75
3.67
0.08
Jun
4.33
4.27
0.06
Jul
3.46
3.51
-0.05
Aug
3.43
3.51
-0.08
Sep
3.88
3.71
0.17
Oct
4.97
5.32
-0.35
Nov
4.37
4.29
0.08
Dec
4.56
4.75
-0.19
48.27
49.02
-0.75