BLACKSTONE, VIRGINIA

Average Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.7		2.2		3.6		8.1		13.3		17.9		22.6		24.8		24.2		20.4		13.8		9		3.9

Average High Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		20.4		8.6		10.4		15.3		20.9		24.9		29.1		31.1		30.4		26.9		21.2		16.3		10.3

Average Low Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.8		-4.2		-3.3		0.8		5.7		10.8		16.1		18.6		17.9		13.8		6.4		1.7		-2.6

Highest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39.4		27.2		27.8		31.7		35		35		37.2		39.4		39.4		38.3		33.3		30		26.7

Lowest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-24.4		-24.4		-22.8		-14.4		-11.7		-0.6		2.8		5		5		1.7		-5.6		-10.6		-18.3

Average Number of Days Above 90F/32C

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		34.3		---		---		---		0.6		1		6.8		12.8		10		2.9		0.2		---		---

Average Number of Days Below 32F/0C

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		108.6		24.4		22.1		15.7		5		0.1		---		---		---		---		4.7		13.7		22.8

Average Number of Days Below 0F/-17C

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.7		0.6		0.1		---		---		---		---		---		---		---		---		---		0.1

Average Precipitation

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1185		99		77		110		92		105		99		115		112		109		95		84		90

Average Number of Days With Precipitation

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		107		9		8		10		9		10		9		10		9		8		8		8		9

Most Precipitation Reported in a Day

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		150.1		71.1		96		73.7		116.8		143.8		76.2		84.1		126		150.1		104.1		116.1		76.2

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

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		77		7		6		7		7		7		7		7		6		6		5		6		6

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

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32		3		2		3		3		3		3		3		3		3		3		2		3

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

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13		1		1		1		1		1		1		1		1		1		1		1		1

Average Number of Rainy Days

Years on Record: 15

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

Most Rain Reported in a Month

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1857		244		202		221		200		350		234		303		319		360		189		293		227

Least Rain Reported in a Month

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		850		13		9		8		9		30		18		10		12		16		4		8		15

Average Snowfall

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		17.5		6.6		6.3		1.8		---		---		---		---		---		---		---		0.2		2.5

Most Snow Reported in a Month

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		96.5		35.6		47		33		2.5		---		---		---		---		---		---		7.6		22.9

Average Relative Humidity

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		71		70		67		64		64		72		74		74		78		77		75		69		69

Average Dew Point

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8		-1		---		1		6		13		17		20		19		16		10		2		-1

Heating Degree Days

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2626.5		500.3		416.7		317.8		150.8		13.8		---		---		---		---		139.5		280		448.7

Cooling Degree Days

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		570.6		---		---		---		---		---		127.5		201.5		180.8		60.8		---		---		---

Growing Degree Days

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2049.9		---		---		---		99.2		244.6		377.5		459.8		439.2		310.8		118.8		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.4		11.3		12.4		13.6		14.7		15.2		14.9		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		14.8		8.2		10.8		14.7		17.9		20.2		21.4		20.7		18.2		16.1		13.2		9.2		7.4

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		3.1		4.1		5.6		7.2		8.3		8.8		8.5		7.7		6		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		16.3		12.6		14.2		17.1		18		18.5		18.8		18.5		17.6		17.6		17.4		13.8		12.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.3		13.1		14.4		16.6		17.2		18.1		19.1		18.4		16.6		17.4		18		14.6		12.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		8.2		10.8		14.7		17.9		20.2		21.4		20.7		18.2		16.1		13.2		9.2		7.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.1		3.3		4.4		5.9		7.5		8.6		9.1		8.9		7.9		6.4		4.9		3.6		3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.1		14.1		17.6		20		21.1		20.7		20.9		20.3		19.6		21.2		22.2		17.3		14.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.1		15.3		19.8		21.4		22.8		22.5		23.7		22.1		20.2		23.5		25.7		19.9		15.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12		6.8		7.2		12.7		14.7		14.8		18.1		17.4		15.6		13.9		10.2		7		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		5.3		3		3.7		5.1		6.5		7.8		8.2		8.1		7.3		5.3		3.4		2.8		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		12.7		9.9		8.4		14.3		14.6		13.6		16		15.6		15		14.8		12.5		9.5		8.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.7		9.2		6.4		12.3		11.6		9.5		13.5		12.8		12.1		12.9		10.9		8.5		8