Viewing Station: ME-CM-8 : Portland 5.1 NW
Jul 22, 2009 - Oct 22, 20252,396 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.74"
October 1-23, 2025(22 of 23 days covered by obs)
NOAA Normal
3.77"
Departure from Normal
-2.03" : 46% of Normal
Year-To-Date: 17.45"
Jan 1 to Oct 23, 2025(175 of 296 days covered by obs)
NOAA Normal
38.07"
Departure from Normal
-20.62" : 46% of Normal
Water Year-To-Date: 1.74"
Oct 1, 2025 to Oct 23, 2025(22 of 23 days covered by obs)
NOAA Normal
3.77"
Departure from Normal
-2.03" : 46% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.39
3.47
-0.08
Feb
3.40
3.60
-0.20
Mar
4.08
4.22
-0.14
Apr
4.38
4.55
-0.17
May
3.74
3.67
0.07
Jun
4.39
4.35
0.04
Jul
3.53
3.55
-0.02
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
49.00
-0.75