WATERTOWN, TENNESSEE

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		58.1		36.9		40.2		48.7		57.9		65.9		74.2		78.1		77		70.1		59		48.9		39.5

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		69.9		47.5		51.4		60.7		70.3		77.7		85.7		89.1		89		83		72.2		61		49.8

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		46.4		26.3		29		36.6		45.5		54.1		62.7		67.1		65		57.2		45.8		36.8		29.2

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		0.6		---		---		---		---		---		---		---		0.6		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		39		---		---		---		0.1		0.1		5.9		13.8		14.6		4.4		0.1		---		---

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		133.2		---		---		0.6		4		14.5		25.8		29.8		29.2		21.1		7.4		0.8		0.1

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		198.8		0.4		1.2		7.3		17.9		25.3		29.7		31		30.9		29.3		19.1		5.9		0.9

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		255.6		5.7		6.5		16.4		25		30.9		30		31		31		30		27.8		16.8		4.7

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		305.5		13.8		15.4		25.3		28.7		31		30		31		31		30		30.6		24.2		14.6

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		343.8		20.9		23.5		30		30		31		30		31		31		30		31		29.2		26.2

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		342.9		31		28		31		30		30.3		26		20.6		25.5		28.5		31		29.9		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		265.9		30.9		28		30.1		27.7		22.6		10		3.6		5.9		18.1		28.4		29.7		30.7

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		196.8		29.3		27.6		27.1		19.5		9.6		1.1		---		0.6		5.9		19.9		26.2		30.1

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		142.4		26.8		24.5		21.1		10.7		2.2		---		---		---		0.7		9.6		20		26.8

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		87.4		21.6		17.5		10.8		3.2		---		---		---		---		0.2		2.8		10.8		20.4

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		21.5		9.6		4.6		0.9		0.1		---		---		---		---		---		---		1.1		5.2

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		4.1		3.3		0.4		---		---		---		---		---		---		---		---		---		0.4

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		0.2		0.2		---		---		---		---		---		---		---		---		---		---		---

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		51.4		4.4		4.3		4.7		4		5.4		4.2		4.5		3.4		3.8		3.3		4.6		4.9

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3942		871		695		513		245		81		4		---		2		34		220		487		791

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1432		---		1		6		32		109		280		406		374		187		34		4		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4387		25		25		106		275		494		726		871		837		604		302		100		23

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
kWh/m2		4		2.1		2.8		3.8		5		5.4		5.8		5.8		5.3		4.7		3.6		2.4		1.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		0.9		1.2		1.6		2		2.4		2.5		2.4		2.1		1.7		1.3		1		0.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		3		3.5		4.3		5		4.9		5.1		5.2		5.1		5.1		4.7		3.5		2.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		2.9		3.3		3.9		4.7		4.6		5.1		5.1		4.9		5.1		4.7		3.5		2.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4		2.1		2.8		3.8		5		5.4		5.8		5.8		5.3		4.7		3.6		2.4		1.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		1		1.3		1.7		2.1		2.4		2.5		2.5		2.2		1.8		1.4		1		0.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.3		3.9		4.4		5.6		5.6		5.9		5.9		5.9		5.7		6		6		4.7		3.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.8		4.1		4.6		5.9		5.8		6.5		6.7		6.8		6		6.7		6.7		5.4		4.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		1.7		2		3		4		4.5		4.5		5.2		4.7		4.1		2.7		1.7		1.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.9		1.2		1.4		1.9		2.2		2.3		2.2		2		1.5		1		0.8		0.8

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		2.3		2.3		3.3		3.9		4.2		4		4.7		4.5		4.4		3.2		2.1		2.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		2		1.7		2.4		3		3.2		3		4.1		3.9		3.9		2.6		1.7		1.9