Viewing Station: NY-SF-2 : Riverhead 1.3 SSE
Nov 4, 2007 - Dec 30, 20255,919 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.96"
December 1-30, 2025(30 of 30 days covered by obs)
NOAA Normal
4.30"
Departure from Normal
-0.34" : 92% of Normal
Year-To-Date: 40.08"
Jan 1 to Dec 30, 2025(364 of 364 days covered by obs)
NOAA Normal
44.87"
Departure from Normal
-4.79" : 89% of Normal
Water Year-To-Date: 10.95"
Oct 1, 2025 to Dec 30, 2025(91 of 91 days covered by obs)
NOAA Normal
12.23"
Departure from Normal
-1.28" : 90% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.44
3.77
-0.33
Feb
3.13
3.33
-0.20
Mar
4.38
4.72
-0.34
Apr
3.92
4.02
-0.10
May
3.33
3.47
-0.14
Jun
3.92
3.75
0.17
Jul
3.08
3.00
0.08
Aug
3.63
3.91
-0.28
Sep
3.81
3.92
-0.11
Oct
4.33
4.41
-0.08
Nov
3.60
3.65
-0.05
Dec
4.44
4.48
-0.04
45.01
46.43
-1.42