Viewing Station: ME-CM-143 : Portland 5.4 NW
Oct 1, 2020 - Oct 20, 20251,738 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.19"
October 1-21, 2025(20 of 21 days covered by obs)
NOAA Normal
3.44"
Departure from Normal
-3.25" : 6% of Normal
Year-To-Date: 29.65"
Jan 1 to Oct 21, 2025(293 of 294 days covered by obs)
NOAA Normal
37.74"
Departure from Normal
-8.09" : 79% of Normal
Water Year-To-Date: 0.19"
Oct 1, 2025 to Oct 21, 2025(20 of 21 days covered by obs)
NOAA Normal
3.44"
Departure from Normal
-3.25" : 6% 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