Viewing Station: NY-SF-74 : Islip Terrace 0.5 W
Aug 26, 2016 - Aug 22, 20263,098 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.47"
August 1-22, 2026(19 of 22 days covered by obs)
NOAA Normal
2.70"
Departure from Normal
3.77" : 239% of Normal
Year-To-Date: 26.57"
Jan 1 to Aug 22, 2026(209 of 234 days covered by obs)
NOAA Normal
27.89"
Departure from Normal
-1.32" : 95% of Normal
Water Year-To-Date: 36.09"
Oct 1, 2025 to Aug 22, 2026(296 of 326 days covered by obs)
NOAA Normal
39.73"
Departure from Normal
-3.64" : 91% 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