FORT HARRY, TENNESSEE

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.7		-3.4		-2.4		0.4		4.7		9.1		12.7		14.3		13.9		11.2		7		2.4		-2.1

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.6		1.3		2.5		5.6		10.1		13.8		17.3		18.8		18.6		16.2		12.2		7.3		2.7

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.8		-8.2		-7.2		-4.8		-0.8		4.2		8.1		9.8		9.2		6.2		1.8		-2.4		-7

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		15		---		---		---		---		0.4		2.5		5.4		5.2		1.4		---		---		---

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		118.6		---		---		0.5		4		11.5		22.2		27.6		27.1		17.8		6.9		0.9		---

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		204.2		0.7		0.9		6.2		16.7		25.8		29.5		30.9		31		29.2		23		8.7		1.6

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		280.2		8.5		10.7		19.8		25.5		30.2		30		31		31		30		29.4		21.9		12.3

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		365		31		28		31		30		31		30		31		31		30		31		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		364.8		31		28		31		30		31		30		31		30.9		30		31		30		31

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		322.9		31		28		31		29.9		29		21.4		15.7		18.7		26.6		30.7		29.9		31

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		217.4		30.7		27.3		29.4		24.2		14.4		3.6		0.8		1.1		8.3		20.5		27.2		29.8

Average Number of Days Below 32F/0C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		149.6		26.7		24		22.6		14.9		5.5		0.5		0.1		---		1.9		10		17.5		25.8

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		73.5		17.1		14.3		11.3		5.4		0.5		---		---		---		0.1		1.9		7.5		15.4

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		30.8		9.2		6.3		4.5		1		---		---		---		---		---		---		2.4		7.3

Average Number of Days Below 0F/-17C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.3		3.8		1.7		0.9		---		---		---		---		---		---		---		---		1.8

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1866.9		154.9		137.2		154.9		162.6		182.9		185.4		172.7		165.1		144.8		94		162.6		149.9

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8311		1215		1043		1000		739		519		305		225		247		386		632		858		1142

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		819		---		---		1		12		59		161		242		221		100		21		2		---

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		14.8		13.9		12.8		11.7		10.7		10.3

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.4		7.8		9.9		14.1		17.3		19.2		20.8		20.1		18.5		16.1		13.1		9		7

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		3.4		4.4		5.8		7.3		8.5		8.9		8.6		7.7		6.2		4.5		3.5		3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		11.3		12.4		16		17.4		17.6		18.3		18		17.8		17.4		16.8		13		10.7

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		11.2		11.7		14.8		15.9		16.3		17.9		17.2		16.8		16.9		17.1		13.4		10.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.4		7.8		9.9		14.1		17.3		19.2		20.8		20.1		18.5		16.1		13.1		9		7

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		9.1		8.9		7.9		6.5		5		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		18.9		13.9		15.4		18.9		20.1		20.7		20.7		21.1		20.3		21.3		21.9		19.6		13.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.7		14.9		16.2		19.3		20.8		22.4		23.1		23.8		21.4		23.4		25.1		23.5		14.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.8		6.5		7.8		10.3		13.9		15.9		17.5		17.4		16.2		13.8		9.7		6.3		5.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		3.2		4.2		5.5		6.9		7.9		8.3		7.9		7.2		5.4		3.5		2.5		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		12.2		9		9.1		11.1		13.8		14.6		15.5		15.7		15.6		14.5		11.5		8		8.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.8		7.8		7.2		7.9		10.2		11		12.5		12.8		12.9		12.3		9.4		6.5		7.5