SUMMERVILLE, SOUTH CAROLINA

Average Temperature

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18		8.9		9.8		13.7		17.6		21.9		25.3		26.9		26.6		24.1		18.6		13.3		9.4

Average High Temperature

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.3		15.3		16.6		20.6		24.6		28.5		31.2		32.3		31.8		29.6		25.1		20.3		16.1

Average Low Temperature

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.7		2.4		3.2		6.8		10.5		15.4		19.5		21.4		21.2		18.6		12.2		6.3		2.9

Highest Recorded Temperature

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41.7		28.9		30.6		36.7		35.6		38.3		40		40		41.1		41.7		37.2		32.2		30.6

Lowest Recorded Temperature

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-20.6		-15		-20.6		-7.2		-2.8		0.6		7.2		10.6		11.7		4.4		-3.3		-11.1		-12.8

Average Number of Days Above 100F/38C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.8		---		---		---		---		---		0.2		1		0.6		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		61.5		---		---		0.2		0.8		5.3		12.6		18		16.2		7.8		0.7		---		---

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		175.1		0.2		0.9		5.1		11.9		24.2		28.2		30.8		29.9		25.5		13.5		4.2		0.5

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		258.4		5.5		8.4		17.5		25.1		30.1		29.8		31		30.9		29.7		26.3		16.8		7.5

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		314.4		14.3		17.1		26.7		29.3		31		30		31		31		30		30.6		25.7		17.7

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		350.3		24.8		24.4		30.2		30		31		30		31		31		30		31		29.7		27.1

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		363		29.9		27.7		31		30		31		30		31		31		30		31		30		30.4

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		314.4		31		28		31		30		30.6		21.5		11.9		13.2		25.7		30.6		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		226.5		30.9		27.8		30.2		27.7		17.7		3.4		0.3		0.4		6.7		23.3		27.7		30.5

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		161.8		28.6		25.3		23.8		16.4		4.6		0.2		---		---		1.2		12.6		21.8		27.3

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		95.4		22.6		19.1		12.2		5		0.2		---		---		---		---		3.4		12.4		20.6

Average Number of Days Below 32F/0C

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		42.7		12.3		9.2		4.1		0.4		---		---		---		---		---		0.4		4.9		11.5

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		4.8		2.6		0.8		---		---		---		---		---		---		---		---		---		1.5

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		0.3		0.2		---		---		---		---		---		---		---		---		---		---		0.2

Average Precipitation

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1282		88		88		96		80		94		143		172		171		130		77		62		80

Average Number of Days With Precipitation

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		107		9		8		8		7		8		11		13		13		9		6		6		9

Most Precipitation Reported in a Day

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		259.8		91.4		84.6		113		98.8		119.4		223.5		200.7		259.8		185.4		140.2		112		107.4

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		77.8		7.2		5.7		5.2		5.5		5.3		7.7		9.2		9.4		6.3		5.3		5		6

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

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		77		6		6		6		5		6		8		10		9		6		4		4		6

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

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33		2		2		3		2		3		4		5		4		3		2		2		2

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		35.8		3.1		2.5		2.9		2.4		2.4		3.5		4.5		4.5		3.5		2.2		2.1		2.2

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

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14		1		1		1		1		1		2		2		2		2		1		1		1

Most Rain Reported in a Month

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1893		236		227		288		213		232		493		445		418		410		273		207		216

Least Rain Reported in a Month

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		703		7		2		12		---		4		22		34		42		1		---		3		7

Average Snowfall

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		1.8		0.2		1		---		---		---		---		---		---		---		---		---		0.5

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.3		0.1		0.1		---		---		---		---		---		---		---		---		---		0.1

Most Snow Reported in a Month

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		38.1		5.3		38.1		2.5		---		---		---		---		---		---		---		---		16.5

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

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

Avg. # of Days w/Snow Depth Above 1in/2.5cm

Years on Record: 30

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

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2291		577		428		279		122		21		2		---		---		6		93		266		498

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2096		1		3		20		59		205		391		502		481		304		99		25		5

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5780		72		101		244		390		649		840		967		945		748		473		240		109

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.7		11.5		12.4		13.5		14.3		14.8		14.5		13.7		12.8		11.7		10.9		10.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		9.4		11.6		15.6		20.2		21.6		21.1		20.6		18.4		16.1		13.9		10.8		9.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.1		3.6		4.7		6		7		8.2		8.8		8.6		7.9		6.5		4.9		3.7		3.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		13.1		14.7		17.4		20.2		19.7		18.6		18.5		17.7		17		17.2		14.9		13.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		13.5		13.9		16.6		20.6		19.9		18.1		17.8		16.1		15.8		17.2		16		14.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		9.4		11.6		15.6		20.2		21.6		21.1		20.6		18.4		16.1		13.9		10.8		9.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.4		3.8		4.9		6.3		7.6		8.8		9.1		8.9		8.1		6.8		5.3		4		3.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.6		15.4		18.6		19.6		23.4		21.7		21.1		20.4		19.8		20.1		21.3		18		15.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.4		17		19.8		19.9		26.9		24		23.4		21.7		20.1		20.9		23.8		20.9		17.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13		7.2		9.7		12		17.6		17.2		18.7		18.8		16		13.2		11.3		6.8		7.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		3.4		4.2		5.7		6		7.7		8.2		8.2		7.5		6		4		3.2		3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.5		9.3		11.6		12.9		17.4		15.9		16.7		17		15.3		13.7		13.4		8.2		10.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.3		8.1		9.6		9.9		15.6		12.7		14.2		14.8		12.1		10.6		11.5		6.4		9.7