COLUMBIA, NORTH CAROLINA

Average Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.1		5.1		6.6		10.8		15.5		19.9		23.7		25.9		25.3		22.7		16.8		12.2		8.1

Average High Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21.9		10.8		12.4		17.2		22.2		26.2		29.5		31.4		30.6		28.3		22.7		18.4		13.8

Average Low Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.1		-0.6		0.7		4.4		8.8		13.7		17.9		20.4		19.9		17.1		11.1		5.9		2.2

Highest Recorded Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37.8		24.4		27.2		32.2		34.4		35		36.1		37.8		37.8		37.2		35		29.4		28.3

Lowest Recorded Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-20		-20		-11.7		-13.3		-5		1.1		7.2		10.6		6.7		2.8		-2.8		-10		-15

Average Number of Days Above 90F/32C

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38.9		---		---		---		0.6		2.3		7.5		13.3		10.6		4.2		0.2		---		---

Average Number of Days Below 32F/0C

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59.4		18.2		14.4		7.4		1.1		---		---		---		---		---		0.4		4.7		13.1

Average Precipitation

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1281		106		89		100		82		101		121		169		150		111		90		81		82

Average Number of Days With Precipitation

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		110		10		9		10		8		9		9		12		11		8		8		8		9

Most Precipitation Reported in a Day

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		162.6		59.9		53.3		64.8		67.6		72.9		117.1		109.7		107.7		162.6		98		124.5		53.1

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

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		78		7		6		7		6		7		7		9		8		6		5		5		6

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

Years on Record: 31

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

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

Years on Record: 31

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

Most Rain Reported in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1557		206		191		165		164		361		283		414		335		322		295		163		148

Least Rain Reported in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		933		34		31		22		5		11		41		40		35		20		4		9		11

Average Snowfall

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		5.6		1.8		3.3		0.2		---		---		---		---		---		---		---		---		---

Most Snow Reported in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		53.3		15.2		38.1		5.6		---		---		---		---		---		---		---		---		0.5

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1645		394.4		322.2		226.7		91.1		15.6		---		---		---		5		78.3		181.1		330.6

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		881.1		---		---		---		11.1		67.2		166.7		232.8		222.2		136.7		40		4.4		---

Growing Degree Days

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2532.1		---		---		24.1		165		308.3		410		492.6		473.6		381.7		211.8		65		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.5		11.4		12.4		13.6		14.6		15.1		14.8		13.9		12.8		11.7		10.7		10.2

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		8.5		11.3		15.2		19.8		22.1		22.7		22.3		20.2		17		13.6		9.9		7.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		3.2		4.2		5.7		6.8		8		8.5		8.2		7.3		6		4.4		3.4		2.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.3		12.7		14.7		17.5		20.1		20.2		19.8		19.9		19.6		18.5		17.8		14.6		12.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18		13.2		15.1		17.2		20.8		21.4		21.1		21.2		20.1		18.8		18.5		15.7		13.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		8.5		11.3		15.2		19.8		22.1		22.7		22.3		20.2		17		13.6		9.9		7.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		3.4		4.5		6		7.6		8.7		9		8.8		7.8		6.5		4.8		3.7		3.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.4		16.1		19.1		20		23.7		22.2		21.4		22.8		22.5		21.3		22.5		18.6		15.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.5		18.2		22.1		21.2		27.9		25.7		24.8		27.8		26.1		23.4		26		21.9		17.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.1		7.2		8.7		13		15.9		16.9		20.2		18.7		17.7		13.9		11.9		7.5		5.8

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		2.8		3.5		5.2		5.7		7.4		8.1		7.2		6.4		5.4		3.4		2.7		2.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.8		10.1		10.4		14.5		15.8		15.5		17.8		16.9		17		14.8		15		10		8.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.3		9.5		8.9		12.5		13.4		12.4		16.8		14.9		15.3		12.6		14.3		9.1		7.3