Viewing Station: NY-TM-4 : Groton 0.5 NW
Sep 15, 2007 - May 13, 20256,422 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.84"
May 1-13, 2025(13 of 13 days covered by obs)
NOAA Normal
1.48"
Departure from Normal
1.36" : 191% of Normal
Year-To-Date: 12.45"
Jan 1 to May 13, 2025(133 of 133 days covered by obs)
NOAA Normal
12.91"
Departure from Normal
-0.46" : 96% of Normal
Water Year-To-Date: 21.13"
Oct 1, 2024 to May 13, 2025(225 of 225 days covered by obs)
NOAA Normal
23.23"
Departure from Normal
-2.10" : 91% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.68
2.46
0.22
Feb
2.29
2.26
0.03
Mar
3.00
2.94
0.06
Apr
3.46
3.57
-0.11
May
3.54
3.47
0.07
Jun
4.33
4.45
-0.12
Jul
4.09
4.20
-0.11
Aug
3.95
4.16
-0.21
Sep
4.13
4.05
0.08
Oct
3.98
3.97
0.01
Nov
3.18
3.26
-0.08
Dec
3.16
3.02
0.14
41.79
41.81
-0.02