Viewing Station: CT-NL-70 : Colchester 0.6 ENE
Mar 31, 2021 - Sep 22, 20261,774 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.56"
September 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
3.20"
Departure from Normal
0.36" : 111% of Normal
Year-To-Date: 37.98"
Jan 1 to Sep 22, 2026(259 of 265 days covered by obs)
NOAA Normal
34.20"
Departure from Normal
3.78" : 111% of Normal
Water Year-To-Date: 51.90"
Oct 1, 2025 to Sep 22, 2026(338 of 357 days covered by obs)
NOAA Normal
47.53"
Departure from Normal
4.37" : 109% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.72
4.02
-0.30
Feb
2.94
3.39
-0.45
Mar
4.29
4.60
-0.31
Apr
4.32
4.69
-0.37
May
3.76
3.84
-0.08
Jun
4.26
4.19
0.07
Jul
3.62
3.84
-0.22
Aug
4.09
4.26
-0.17
Sep
4.37
4.77
-0.40
Oct
4.79
4.69
0.10
Nov
4.09
4.09
0.00
Dec
4.45
4.92
-0.47
48.70
51.30
-2.60