Viewing Station: ME-CM-8 : Portland 5.1 NW
Jul 22, 2009 - Aug 17, 20262,693 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.92"
August 1-17, 2026(17 of 17 days covered by obs)
NOAA Normal
1.90"
Departure from Normal
0.02" : 101% of Normal
Year-To-Date: 26.61"
Jan 1 to Aug 17, 2026(229 of 229 days covered by obs)
NOAA Normal
28.81"
Departure from Normal
-2.20" : 92% of Normal
Water Year-To-Date: 37.62"
Oct 1, 2025 to Aug 17, 2026(321 of 321 days covered by obs)
NOAA Normal
42.76"
Departure from Normal
-5.14" : 88% 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