Viewing Station: ME-CM-165 : Portland 4.3 W
Nov 11, 2023 - Sep 7, 2026921 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.13"
September 1-7, 2026(7 of 7 days covered by obs)
NOAA Normal
0.91"
Departure from Normal
-0.78" : 14% of Normal
Year-To-Date: 25.48"
Jan 1 to Sep 7, 2026(250 of 250 days covered by obs)
NOAA Normal
31.36"
Departure from Normal
-5.88" : 81% of Normal
Water Year-To-Date: 35.52"
Oct 1, 2025 to Sep 7, 2026(340 of 342 days covered by obs)
NOAA Normal
45.25"
Departure from Normal
-9.73" : 79% 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