EAST SETAUKET, NEW YORK

Average Temperature

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.2		-0.2		-0.2		3.9		9.4		14.9		19.9		22.8		22.2		18.9		13.4		7.8		2.1

Average High Temperature

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.7		3.7		4		8.4		14.6		20.4		24.9		27.6		26.6		23.2		17.8		11.9		5.8

Average Low Temperature

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.7		-4.1		-4.3		-0.5		4.3		9.6		14.8		18.1		17.7		14.5		8.9		3.7		-1.7

Highest Recorded Temperature

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37.8		20.6		20.6		28.3		35		35		35.6		37.2		37.8		35.6		32.8		27.2		23.9

Lowest Recorded Temperature

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-23.9		-20		-23.9		-13.9		-9.4		-1.1		2.2		8.9		6.7		2.2		-3.3		-10		-21.7

Average Number of Days Above 90F/32C

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		---		---		---		---		0.2		1.2		2.8		1.3		0.3		---		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		79.1		---		---		---		1		5		15.6		24.6		23.1		8.7		1.1		---		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		150.4		---		---		1.2		5.8		17.9		27.5		30.8		30.7		24.6		9.8		1.7		0.6

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		212.4		1		1		5.1		16.7		29		29.9		31		31		29.9		25		10.6		2.2

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		271.4		5.5		6.3		15.7		27.4		30.9		30		31		31		30		30.7		22.8		10

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		328		16.9		17.6		27.5		29.9		31		30		31		31		30		31		29.3		22.8

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		353.6		31		28		31		30		30.8		28.5		26.5		26.9		28.9		31		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		289.9		31		28		31		29.9		28.6		17.9		7		7.7		18.9		29.1		30		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		223.6		31		28		30.8		27.6		18.8		3.4		0.1		0.2		4.3		20.7		28		30.6

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		157.3		29.8		27.1		27.8		16.1		4		---		---		---		0.2		5.9		18.7		27.7

Average Number of Days Below 32F/0C

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		96.9		24.7		23.3		17.9		3.8		0.1		---		---		---		---		0.4		6.4		20.3

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.4		9.7		7.1		2.4		0.1		---		---		---		---		---		---		0.2		4.8

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.1		2.9		0.6		0.1		---		---		---		---		---		---		---		---		0.4

Average Number of Days Below 0F/-17C

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.4		0.2		0.2		---		---		---		---		---		---		---		---		---		0.1

Average Precipitation

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1131		96		84		103		99		91		85		94		102		91		90		97		100

Average Number of Days With Precipitation

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		106		9		8		9		10		10		9		9		9		8		7		9		9

Most Reported Precipitation in a Month

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		462		301		180		231		319		280		319		462		331		334		298		224		239

Least Reported Precipitation in a Month

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		11		8		---		26		7		2		8		10		6		6		11		11

Most Precipitation Reported in a Day

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		192.5		95.2		69.8		95.2		100.8		76.2		105.7		154.2		192.5		134.6		161.8		96.5		89.7

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		72.5		6.1		5.2		6.1		6.9		6.4		6		6		5.5		6		5.6		5.7		7

Avg. No. of Days w/Precip. Above 0.2in/5mm

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		76		7		6		7		7		7		6		6		6		6		5		6		7

Avg. # of Days w/Precip. Above 0.4in/10mm

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		3		2		3		3		3		2		2		3		2		2		3		3

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.4		2.9		2		2.9		3.1		2.7		2.7		2.6		2.3		2.5		2.5		2.6		2.6

Avg. No. of Days w/Precip. Above 1in/25mm

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12		1		1		1		1		1		1		1		1		1		1		1		1

Average Number of Rainy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105.7		8.9		8.2		9.1		10		9.9		9.2		8.9		8.5		7.6		7.5		8.9		9.2

Most Rain Reported in a Day

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		190		100		60		70		100		60		100		140		190		130		90		90		80

Most Rain Reported in a Month

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1500		300		150		230		310		280		310		230		330		330		290		220		210

Least Rain Reported in a Month

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		680		10		10		20		30		---		---		---		---		10		---		10		10

Average Snowfall

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		59.9		15.8		18.8		11.2		2.3		---		---		---		---		---		---		1.5		10.4

Most Snow Reported in a Month

Years on Record: 126

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		95.5		69.8		95.5		59.7		26.7		---		---		---		---		---		5.1		40.6		58.7

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4967		1007		857		753		426		185		27		1		2		49		270		536		852

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		867		---		---		---		3		33		153		290		269		107		12		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3287		3		2		14		99		316		576		753		731		509		222		55		8

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.1		11.2		12.5		13.8		15		15.6		15.3		14.2		12.9		11.5		10.4		9.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		6.8		10.1		13.7		16.3		19		20.8		20.1		18.1		15.1		10.9		7.2		5.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		2.7		3.6		5.3		7.1		8.3		8.8		8.5		7.4		5.8		4.2		3		2.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		11.9		14.6		16.5		16.7		17.4		18.1		17.9		17.6		17		14.9		11.4		10.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		12.2		15.3		16.4		15.7		16.7		18.6		18.1		17.4		16.9		14.8		11.5		11

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		6.8		10.1		13.7		16.3		19		20.8		20.1		18.1		15.1		10.9		7.2		5.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		2.8		3.9		5.5		7.2		8.5		9.1		8.8		7.6		6.1		4.4		3.1		2.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.2		15		19.5		18.8		18.7		19.9		20.2		20.3		20.9		19.6		18.5		13.4		13.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.9		16.1		22.1		20		19		21.8		23		23.1		23.7		21.4		20.1		14.4		14

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.4		5.8		7.6		12.1		13.4		15.3		16.9		17.8		16.2		12.6		9.5		5.4		4.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		2.5		3		4.9		6.8		7.9		8.3		8		6.7		5.3		3.7		2.8		2.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.4		9.3		10		14.1		13.4		14		14.9		15.9		15.7		13.7		12.3		7.7		7.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.8		8.9		8.8		12.8		10.5		10.7		12.1		14		14		11.9		11.2		6.7		7.3