SHEPHERDSTOWN, WEST VIRGINIA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.6		-0.7		0.7		5.1		10.7		16.2		21.2		23.4		22.7		18.7		12.6		6.9		0.9

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.3		4.9		6.6		11.6		17.9		23.4		28.1		30.3		29.7		25.7		20.1		13.4		6.4

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.9		-6.3		-5.2		-1.3		3.4		8.9		14.4		16.5		15.6		11.6		5.1		0.4		-4.6

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		0.1		---		---		---		---		---		---		0.1		---		---		---		---		---

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		22.8		---		---		---		0.3		0.6		4.3		8.5		7		1.9		0.2		---		---

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		101.9		---		---		0.1		3.2		8.8		20.7		27.2		25.9		12.8		2.9		0.2		0.2

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		165.1		0.2		0.3		1.9		9.7		20.7		28		30.7		30.3		26		13.4		3.1		0.7

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		222.4		2.5		2.8		9.1		19		29.2		30		31		31		29.8		24.9		10.5		2.4

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		270.5		6.5		7.4		17.2		26.7		30.8		30		31		31		30		30.2		21.8		7.8

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		320.2		15.2		17.4		27.4		29.7		31		30		31		31		30		30.9		28.4		18.4

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		361.9		31		28		31		30		31		29.8		29.3		30.3		29.5		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		307.4		31		28		31		30		28.5		17.1		11.8		14.5		24.1		30.5		29.9		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		236.3		30.9		28		30.6		26.5		17.4		3.7		0.4		2.2		10.6		26.2		29		30.8

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		178.8		30.1		27.3		27.1		18.6		6.4		0.2		---		---		2		14.7		23		29.5

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		123.7		27.1		24.5		19.3		7		0.8		---		---		---		0.1		4.4		15		25.7

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		43.2		15.5		10.8		4		0.2		---		---		---		---		---		---		2.2		10.5

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		8.4		4.2		1.9		0.2		---		---		---		---		---		---		---		---		2.2

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		0.7		0.4		0.2		---		---		---		---		---		---		---		---		---		0.1

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1069.3		73.7		66		94		91.4		106.7		99.1		104.1		81.3		101.6		86.4		86.4		81.3

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5303		1060		889		736		422		173		22		1		5		74		333		616		972

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		874		---		---		---		9		52		178		284		245		92		12		1		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3280		3		3		30		128		352		606		748		705		469		185		43		8

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.3		11.2		12.5		13.8		14.9		15.4		15.1		14.1		12.9		11.6		10.5		9.9

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		7		9.8		13.2		16.8		18.8		20.2		20		17.7		15.2		12.1		7.7		6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		3		4		5.6		7.2		8.4		8.9		8.6		7.6		6		4.3		3.2		2.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.1		11.1		13.1		15.4		17		17.2		17.8		17.9		17.1		16.7		16.2		11.7		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		14.6		11		13		14.3		15.8		16.1		17.2		17.5		16.1		16.3		16.5		11.9		9.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		7		9.8		13.2		16.8		18.8		20.2		20		17.7		15.2		12.1		7.7		6

Maximum 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		4.1		5.7		7.4		8.6		9.1		8.8		7.8		6.3		4.6		3.3		2.7

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		14.2		16.4		18.4		19.9		20.6		20.1		19.6		18.9		20.3		19.7		15.5		12.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		15.1		18		19		21.1		22.7		22.2		21		19.3		22.2		21.7		17.3		13.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		6.2		7.5		10.9		14.9		12.7		16.9		17.6		15.8		12.6		9.7		5.3		4.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.8		3.7		5.2		6.7		7.8		8.5		8.3		7.3		5.3		3.7		2.9		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		11.9		9.2		9.2		12.2		14.9		11.7		15		15.8		15.2		13.5		12.1		7		7.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.8		8.7		7.6		9.8		12.3		7.2		11.9		13.5		12.8		11.2		10.7		5.6		6.4