SALEM, VIRGINIA

Average Temperature

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		54.5		36.1		37.8		44.6		54.1		62.6		69.3		72.6		71.8		66		56.4		45.5		37.4

Average High Temperature

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		65.5		45.8		48.2		55.8		66.3		74.7		80.9		83.9		82.8		77.2		67.9		55.8		47

Average Low Temperature

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		43.6		26.6		27.4		33.5		41.9		50.5		57.9		61.4		60.7		54.8		44.9		35.2		27.8

Highest Recorded Temperature

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		110		87		81		86		95		93		98		110		101		100		93		82		74

Lowest Recorded Temperature

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-9		-9		-5		5		18		28		31		43		33		30		19		3		-4

Average Number of Days Above 90F/32C

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12.4		---		---		---		0.1		0.3		2.2		5		3.3		1.4		0.1		---		---

Average Number of Days Below 32F/0C

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		97.5		22.2		19.8		14.9		4.5		0.3		---		---		---		0.1		2.5		12.2		21.1

Average Number of Days Below 0F/-17C

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.5		0.3		0.1		---		---		---		---		---		---		---		---		---		0.1

Average Precipitation

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		41.7		2.9		3		3.5		3.1		3.7		4		4.3		4.4		3.6		3.6		2.7		3

Average Number of Days With Precipitation

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		109		9		8		10		9		10		10		12		10		8		7		7		8

Most Precipitation Reported in a Day

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		6		1.7		2		3.6		2.9		4		4.1		3		5.7		3.5		6		3.8		2.3

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

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		79		6		6		7		7		8		7		8		7		6		5		5		6

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

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29		2		2		3		2		2		3		3		3		2		2		2		2

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

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9		1		1		1		1		1		1		1		1		1		1		1		1

Most Rain Reported in a Month

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		52.7		7.9		6.7		7.7		8		8.9		11.3		10.3		14.9		10.8		10.1		9.2		7.6

Least Rain Reported in a Month

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		25.3		0.7		0.4		1.1		0.6		0.9		0.8		0.4		0.4		0.3		0.1		0.2		0.4

Average Snowfall

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		19		5.4		4.5		3.3		0.4		---		---		---		---		---		---		1.1		4.2

Most Snow Reported in a Month

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		61.1		28		17.5		22.7		11.2		---		---		---		---		---		---		16.4		23.6

Heating Degree Days

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4400.7		892.8		768.4		630.9		327		74.4		---		---		---		---		266.6		585		855.6

Cooling Degree Days

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		608.5		---		---		---		---		---		132		237.2		209.3		30		---		---		---

Growing Degree Days

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3150.5		---		---		---		123		390.6		582		702.2		674.3		480		198.4		---		---

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		13.7		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
kWh/m2		4		2.2		2.9		3.9		4.8		5.4		5.7		5.6		5		4.4		3.6		2.5		2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.9		1.2		1.6		2		2.3		2.5		2.4		2.1		1.7		1.2		0.9		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		4.4		3.4		3.8		4.5		4.8		5		5		5		4.8		4.7		4.8		3.7		3.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		3.4		3.8		4.3		4.5		4.7		4.8		4.9		4.5		4.6		4.9		3.8		3.2

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		2.2		2.9		3.9		4.8		5.4		5.7		5.6		5		4.4		3.6		2.5		2

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		0.9		1.2		1.7		2.1		2.4		2.5		2.5		2.2		1.8		1.4		1		0.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		3.8		4.7		5.1		5.6		6		5.6		5.7		5.4		5.7		6		5.1		4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		4.1		5.2		5.2		5.9		6.9		6		6.4		5.6		6.2		6.8		5.9		4.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.2		1.7		2.2		3.3		4.1		3.8		4.8		4.7		4.2		3.6		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		0.8		1.1		1.5		1.9		2.1		2.4		2.2		2		1.5		1		0.7		0.7

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		2.4		2.6		3.6		4.1		3.5		4.3		4.3		4.1		3.8		3.3		2.2		2.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.7		2.2		2.1		3		3.3		2.3		3.4		3.5		3.2		3		2.8		1.8		2.2