CLIFTON FORGE, VIRGINIA

Average Temperature

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.7		-0.1		1.7		7		10		16.6		20.4		23.5		22.4		18.9		13.2		6.8		0.2

Average High Temperature

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.3		4.1		6.9		13.2		16.5		22.5		26.7		29.5		27.6		25.1		19.1		12.6		4.1

Average Low Temperature

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.2		-4.3		-3.6		1.2		3.9		10.8		14.1		17		17.6		12.8		7.3		1.1		-3.6

Highest Recorded Temperature

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37.8		19.4		22.8		27.8		31.1		34.4		36.7		37.2		37.8		37.8		33.3		25		17.8

Lowest Recorded Temperature

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-20		-20		-17.8		-12.2		-6.1		---		2.8		7.8		8.3		1.1		-2.8		-7.2		-15

Average Number of Days Above 90F/32C

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28.2		---		---		---		---		1		7.7		10		4.3		5		0.2		---		---

Average Number of Days Below 32F/0C

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		107.3		24.4		22.5		13.3		8.1		0.3		---		---		---		---		2.5		13		23.1

Average Number of Days Below 0F/-17C

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.7		0.2		0.5		---		---		---		---		---		---		---		---		---		---

Average Precipitation

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		991		72		73		97		70		92		90		93		100		80		81		69		74

Average Number of Days With Precipitation

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		109		9		9		10		10		11		10		11		9		7		7		8		8

Most Precipitation Reported in a Day

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		259.3		50.8		53.3		84.1		64.8		85.1		83.8		76.5		259.3		94.5		103.6		76.2		50.8

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

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		75		6		6		7		6		7		7		7		6		5		5		5		6

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

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26		2		2		3		2		2		2		2		2		2		2		2		2

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

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		---		---		1		---		1		1		1		1		1		1		1		1

Most Rain Reported in a Month

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1286		137		134		182		143		206		239		195		347		228		268		177		166

Least Rain Reported in a Month

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		709		22		4		35		13		11		24		24		5		14		5		17		---

Average Snowfall

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		37.6		10.9		11.7		4.6		0.2		---		---		---		---		---		---		2		7.9

Most Snow Reported in a Month

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		88.9		54.6		48.3		27.4		10.2		---		---		---		---		---		5.1		30.5		33

Heating Degree Days

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3198.3		571.8		470.1		345.3		244.2		52.6		---		---		---		---		160.2		345		560.6

Cooling Degree Days

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		363.3		---		---		---		---		---		62.5		152.4		130.9		17.5		---		---		---

Growing Degree Days

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1689.8		---		---		---		5.8		205.8		312.5		410.8		389.2		267.5		98.2		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.4		11.3		12.4		13.7		14.7		15.3		15		14		12.8		11.6		10.6		10.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.5		7		9.5		12.8		16.5		18		20.3		19.6		17.5		15.2		12.1		7.8		6.2

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		3.1		4.2		5.8		7.3		8.5		8.9		8.6		7.7		6.1		4.4		3.3		2.8

Average 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		10.8		12.3		14.6		16.6		16.5		17.8		17.6		17		16.7		15.9		11.4		9.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.9		10.4		11.7		13.1		15.1		14.6		17.1		16.7		15.6		16		15.9		11.4		9.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.5		7		9.5		12.8		16.5		18		20.3		19.6		17.5		15.2		12.1		7.8		6.2

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		3.2		4.3		5.8		7.5		8.6		9.1		8.9		7.8		6.3		4.7		3.4		2.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		12.8		15.1		18		19.4		21.2		19.7		20		18.6		19.7		20.1		17.5		12.2

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		13.1		15.5		18.2		19.9		23.8		21.3		21.7		18.5		21.1		22.2		20.3		13

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		5.7		7.5		10.8		14.2		13.6		18.1		16.9		15.5		12.6		8.9		5.4		5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		3		4		5.4		6.9		7.6		8.6		8.2		7.5		5.6		3.7		2.7		2.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.7		8		9		11.9		14		12.6		16		15.2		14.9		13.4		10.7		6.9		7.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.4		7		7.2		9.2		10.9		8.2		13.6		12.3		12.2		11		8.7		5.4		6.4