Viewing Station: CT-NL-29 : East Lyme 0.5 SW
Nov 1, 2017 - May 18, 20263,466 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.77"
May 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
2.07"
Departure from Normal
0.70" : 134% of Normal
Year-To-Date: 15.46"
Jan 1 to May 18, 2026(138 of 138 days covered by obs)
NOAA Normal
16.77"
Departure from Normal
-1.31" : 92% of Normal
Water Year-To-Date: 27.19"
Oct 1, 2025 to May 18, 2026(228 of 230 days covered by obs)
NOAA Normal
29.29"
Departure from Normal
-2.10" : 93% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.46
3.94
-0.48
Feb
2.96
3.53
-0.57
Mar
4.13
4.82
-0.69
Apr
4.15
4.53
-0.38
May
3.56
3.87
-0.31
Jun
3.87
4.09
-0.22
Jul
3.18
3.52
-0.34
Aug
3.74
4.21
-0.47
Sep
4.09
4.44
-0.35
Oct
4.52
4.77
-0.25
Nov
3.72
4.00
-0.28
Dec
4.28
4.83
-0.55
45.66
50.55
-4.89