BLACKBEARD ISLAND, GEORGIA

Average Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.4		10.4		11.4		14.7		19		23		26.3		27.6		27.4		25.5		20.7		15.3		11.1

Average High Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.9		16.1		17.3		20.7		24.9		28.7		31.6		32.8		32.6		30.2		26.2		21.1		17

Average Low Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.8		4.7		5.6		8.7		13.2		17.3		20.9		22.2		22.3		20.8		15.3		9.6		5.2

Highest Recorded Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		40.6		27.8		29.4		32.8		34.4		38.3		40		40.6		39.4		37.8		33.9		31.7		27.8

Lowest Recorded Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-10		-10		-10		-3.9		1.1		3.9		13.3		15.6		15		9.4		0.6		-5		-9.4

Average Number of Days Above 90F/32C

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		68.4		---		---		0.1		0.7		4.5		13.1		21		19.9		8		1.1		---		---

Average Number of Days Below 32F/0C

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21		7.2		5		1.3		---		---		---		---		---		---		---		0.9		6.5

Average Precipitation

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1253		71		92		96		77		93		135		156		161		170		81		48		73

Average Number of Days With Precipitation

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		86		7		7		8		6		7		9		10		9		9		5		4		6

Most Precipitation Reported in a Day

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		434.3		53.3		61.5		82.5		85.1		115.6		115.3		115.6		120.7		434.3		132.8		160		80.5

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

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		68		5		6		6		5		5		6		8		8		7		4		3		5

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

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32		2		3		3		2		3		3		4		4		3		2		1		2

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

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		15		1		1		1		1		1		2		2		2		2		1		---		1

Most Rain Reported in a Month

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1823		246		209		242		201		290		424		348		339		523		250		173		191

Least Rain Reported in a Month

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		958		7		10		18		9		14		27		61		44		7		---		5		---

Most Snow Reported in a Month

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		1.3		---		1.3		---		---		---		---		---		---		---		---		---		---

Heating Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1049.1		245.4		195.4		113.7		---		---		---		---		---		---		---		90		224.8

Cooling Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1259.5		---		---		---		20.8		143.8		238.3		285.1		282.4		215		74.1		---		---

Growing Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3461		12.9		40		144.7		270.8		402.2		488.3		543.4		540.8		465		332.4		160		33.6

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.8		11.5		12.4		13.4		14.2		14.6		14.4		13.7		12.7		11.8		11		10.6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.6		10.5		13.2		17.4		22.5		24.6		23.1		23.8		21.2		17.4		15.1		12		9.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		3.7		4.7		5.8		6.5		7.4		8.4		7.9		7.4		6.4		4.9		3.7		3.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		14.3		16.6		19.4		22.3		22.4		20.3		21.2		20.3		18.4		18.4		16.2		14.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.7		15.2		16.5		19.5		24.5		25.3		21.5		23.4		20.7		17.7		18.9		17.8		15.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.6		10.5		13.2		17.4		22.5		24.6		23.1		23.8		21.2		17.4		15.1		12		9.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.5		4		5.1		6.5		7.4		8.3		9		8.7		8.1		6.9		5.5		4.3		3.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.9		17.3		21.4		22.4		25.4		24.8		23.5		23.2		22.4		22.9		22.6		19.6		17.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.7		19.9		24		24.6		31		31		29.2		27.9		25		25.8		25.9		23.4		20.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.5		7.3		10.3		13.6		19.7		21.2		20.5		20.6		17.6		14.4		12.3		8.4		7.6

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		3.3		3.8		5.1		5.3		6.3		7.1		7.1		6.7		5.3		3.9		3.1		2.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		9		12.2		14.6		19.4		19.5		18.2		18.5		16.9		14.9		14.3		10.3		9.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.2		7.5		10.1		12		18.9		19		16.9		17.4		14.4		12.1		12.6		8.9		9