Islip Data

Average Temperature for Dec-Feb
(Warmest Rankings)

Temperature	Date
38.7	2001-2002
38.5	1997-1998
38.3	2011-2012
36.9	1994-1995
36.5	1998-1998
	Normal: 33.0

 

Average High Temperature for Dec-Feb
(Warmest Rankings)

Temperature	Date
47.1	2001-2002
46.8	2011-2012
46.0	1997-1998
45.2	1998-1999
44.8	1990-1991/1994-1995
	Normal: 40.4

 

Average Low Temperature for Dec-Feb
(Warmest Rankings)

Temperature	Date
30.9	1997-1998
30.2	2001-2002
29.8	2011-2012
29.0	1994-1995
27.8	1998-1999/1996-1997
	Normal: 25.6

 

Total Snowfall for Dec-Feb
(Least Rankings)

Snowfall (inches)	Date
1.0	1997-1998
4.2	1989-1990
4.4	2011-2012
5.1	1994-1995
5.2	2006-2007
	Normal: 19.2

 

Total Precipitation for Dec-Feb
(Least Rankings)

Precipitation (inches)	Date
5.38	2001-2002
5.68	1984-1985
6.86	2011-2012
7.47	1985-1986
7.94	1999-2000
	Normal: 10.96

 

Records Set During Dec-Feb 2011-2012

Type of Record	Value	Date(s) of Previous Record
Tied Warmest Ave. High Temperature- December	49.4	49.4- 2001
Tied Least Snowiest December	0.0	2006/2003/1994
Tied Warmest Ave. High Temperature- February	46.4	46.4- 2002