Viewing Station: NY-SF-110 : Islip Terrace 1.1 NNE
Apr 9, 2017 - May 9, 20252,778 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.99"
May 1-9, 2025(9 of 9 days covered by obs)
NOAA Normal
0.99"
Departure from Normal
1.00" : 200% of Normal
Year-To-Date: 14.50"
Jan 1 to May 9, 2025(125 of 129 days covered by obs)
NOAA Normal
15.63"
Departure from Normal
-1.13" : 93% of Normal
Water Year-To-Date: 24.22"
Oct 1, 2024 to May 9, 2025(217 of 221 days covered by obs)
NOAA Normal
27.54"
Departure from Normal
-3.32" : 88% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.40
3.86
-0.46
Feb
3.02
3.38
-0.36
Mar
4.29
4.58
-0.29
Apr
3.93
4.23
-0.30
May
3.42
3.52
-0.10
Jun
3.90
4.03
-0.13
Jul
3.35
3.24
0.11
Aug
3.80
3.99
-0.19
Sep
3.84
3.83
0.01
Oct
4.07
4.46
-0.39
Nov
3.44
3.62
-0.18
Dec
4.40
4.84
-0.44
44.86
47.58
-2.72