WESTBROOK, CONNECTICUT

Average Temperature

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.5		-2.2		-1.3		2.6		7.9		13.2		18.3		21.3		20.5		16.8		11.5		5.9		-0.3

Average High Temperature

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.9		3.6		4.6		8.7		14.9		20.2		24.8		27.6		26.9		23.4		18.4		12		5.4

Average Low Temperature

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.2		-7.9		-7.3		-3.4		1.1		6.3		11.7		15.1		14.1		10.3		4.6		-0.2		-6.1

Highest Recorded Temperature

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37.8		20		18.9		29.4		31.1		32.8		35		35		37.8		35		31.1		24.4		19.4

Lowest Recorded Temperature

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-29.4		-29.4		-26.7		-23.3		-13.9		-5		-0.6		2.2		0.6		-5		-10.6		-13.3		-27.2

Average Number of Days Above 90F/32C

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4		---		---		---		---		---		0.8		2		1.1		0.2		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		145.6		27.8		25.3		23.9		13.7		3.6		0.1		---		---		1		8.1		16.7		25.4

Average Number of Days Below 0F/-17C

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.4		2.5		1.5		0.2		---		---		---		---		---		---		---		---		1.3

Average Precipitation

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1269		104		88		121		90		106		89		97		102		116		111		109		137

Average Number of Days With Precipitation

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		125		11		10		11		12		12		10		10		9		9		9		11		11

Most Reported Precipitation in a Month

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		328		195		146		284		217		221		328		206		294		237		255		244		208

Least Reported Precipitation in a Month

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2		12		27		47		26		23		2		18		26		2		13		11		17

Most Precipitation Reported in a Day

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		141.7		61		49		73.2		72.6		79		125.5		91.4		110.7		141.7		120.1		104.9		55.4

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

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		80		7		7		8		7		8		6		6		6		5		5		7		8

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

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30		2		2		3		3		3		2		2		3		2		2		3		3

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

Years on Record: 39

		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 Snowfall

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		80		20.8		22.4		16		1.3		---		---		---		---		---		---		1.8		17.8

Most Snow Reported in a Month

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		76.7		71.1		70.1		76.7		8.9		---		---		---		---		---		3.8		12.7		70.6

Heating Degree Days

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2079.4		463.9		398.3		315.6		153.3		40		2.2		---		---		11.1		77.2		211.1		406.7

Cooling Degree Days

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		260.6		---		---		---		---		5		40.6		98.3		82.8		31.1		2.8		---		---

Growing Degree Days

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1276.5		---		---		---		---		99.9		248.3		351.3		325.5		205		46.5		---		---

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		11.1		12.5		13.9		15.1		15.7		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		13.7		6.8		9.9		13.6		16.4		19.3		20.7		20.2		18.4		15.1		11.2		7.2		5.8

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		3.7		5.3		7		8.3		8.8		8.5		7.3		5.7		4.1		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		14.2		16.4		16.7		17.7		18		18		17.9		17		15.4		11.4		10.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.5		12.2		14.8		16.3		15.8		17.2		18.3		18.3		17.9		17.1		15.5		11.6		10.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		6.8		9.9		13.6		16.4		19.3		20.7		20.2		18.4		15.1		11.2		7.2		5.8

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		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		14.7		18.4		18.8		19.4		19.8		20.4		20.7		20.8		20		19.3		13.7		12.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.1		15.7		20.8		19.9		20.5		21.6		23.5		24		23.5		22		21.2		14.7		13.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.6		5.9		7.6		12.1		13.8		15.9		16.7		17.8		16.3		12.6		9.7		5.6		4.7

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		3.1		4.9		6.6		7.9		8.3		7.9		6.7		5.2		3.6		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		12.6		9.5		10		14.2		13.8		14.6		14.7		15.9		15.8		13.7		12.7		8.1		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		10.9		9.2		8.8		12.9		11		11.7		11.8		14		14		11.9		11.8		7.2		7.2