Viewing Station: ME-SG-16 : Topsham 3.7 NE
Mar 29, 2016 - Sep 20, 20263,974 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.43"
September 1-21, 2026(20 of 21 days covered by obs)
NOAA Normal
2.77"
Departure from Normal
-1.34" : 52% of Normal
Year-To-Date: 24.72"
Jan 1 to Sep 21, 2026(255 of 264 days covered by obs)
NOAA Normal
32.20"
Departure from Normal
-7.48" : 77% of Normal
Water Year-To-Date: 34.45"
Oct 1, 2025 to Sep 21, 2026(346 of 356 days covered by obs)
NOAA Normal
46.03"
Departure from Normal
-11.58" : 75% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.43
3.66
-0.23
Feb
3.20
3.45
-0.25
Mar
4.02
4.18
-0.16
Apr
4.19
4.32
-0.13
May
3.61
3.62
-0.01
Jun
4.31
4.48
-0.17
Jul
3.40
3.34
0.06
Aug
3.27
3.23
0.04
Sep
3.96
3.90
0.06
Oct
5.15
5.26
-0.11
Nov
4.40
4.48
-0.08
Dec
4.28
4.60
-0.32
47.22
48.52
-1.30