Viewing Station: ME-SG-18 : Topsham 5.2 N
May 14, 2019 - Oct 20, 2025513 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.44"
October 1-21, 2025(20 of 21 days covered by obs)
NOAA Normal
3.52"
Departure from Normal
-3.08" : 13% of Normal
Year-To-Date: 31.15"
Jan 1 to Oct 21, 2025(276 of 294 days covered by obs)
NOAA Normal
37.13"
Departure from Normal
-5.98" : 84% of Normal
Water Year-To-Date: 0.44"
Oct 1, 2025 to Oct 21, 2025(20 of 21 days covered by obs)
NOAA Normal
3.52"
Departure from Normal
-3.08" : 13% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.42
3.60
-0.18
Feb
3.17
3.40
-0.23
Mar
4.00
4.00
0.00
Apr
4.21
4.40
-0.19
May
3.61
3.62
-0.01
Jun
4.39
4.64
-0.25
Jul
3.46
3.64
-0.18
Aug
3.38
3.42
-0.04
Sep
3.97
3.97
0.00
Oct
5.19
5.41
-0.22
Nov
4.43
4.42
0.01
Dec
4.28
4.63
-0.35
47.51
49.15
-1.64