Viewing Station: NY-SF-74 : Islip Terrace 0.5 W
Aug 26, 2016 - May 9, 20252,689 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.89"
May 1-9, 2025(9 of 9 days covered by obs)
NOAA Normal
0.98"
Departure from Normal
0.91" : 193% of Normal
Year-To-Date: 13.05"
Jan 1 to May 9, 2025(117 of 129 days covered by obs)
NOAA Normal
15.58"
Departure from Normal
-2.53" : 84% of Normal
Water Year-To-Date: 22.70"
Oct 1, 2024 to May 9, 2025(198 of 221 days covered by obs)
NOAA Normal
27.42"
Departure from Normal
-4.72" : 83% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.39
3.82
-0.43
Feb
3.02
3.34
-0.32
Mar
4.30
4.53
-0.23
Apr
3.89
4.19
-0.30
May
3.38
3.49
-0.11
Jun
3.89
3.99
-0.10
Jul
3.32
3.25
0.07
Aug
3.81
3.97
-0.16
Sep
3.81
3.82
-0.01
Oct
4.02
4.42
-0.40
Nov
3.42
3.58
-0.16
Dec
4.40
4.77
-0.37
44.65
47.17
-2.52