Viewing Station: CT-NL-44 : Old Lyme 0.5 W
Mar 21, 2019 - Jun 20, 20251,966 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.09"
June 1-21, 2025(20 of 21 days covered by obs)
NOAA Normal
2.71"
Departure from Normal
-1.62" : 40% of Normal
Year-To-Date: 15.07"
Jan 1 to Jun 21, 2025(149 of 172 days covered by obs)
NOAA Normal
20.87"
Departure from Normal
-5.80" : 72% of Normal
Water Year-To-Date: 19.77"
Oct 1, 2024 to Jun 21, 2025(222 of 264 days covered by obs)
NOAA Normal
33.41"
Departure from Normal
-13.64" : 59% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.49
3.81
-0.32
Feb
2.99
3.46
-0.47
Mar
4.00
4.66
-0.66
Apr
4.16
4.45
-0.29
May
3.52
3.74
-0.22
Jun
3.87
4.06
-0.19
Jul
3.16
3.53
-0.37
Aug
3.72
4.19
-0.47
Sep
4.06
4.44
-0.38
Oct
4.54
4.67
-0.13
Nov
3.74
3.87
-0.13
Dec
4.26
4.73
-0.47
45.51
49.61
-4.10