CUMBERLAND, MARYLAND

Average Temperature

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		53.7		32		33.3		42		52.8		63.3		71.2		75		73.3		67.1		55.6		44.2		34.4

Average High Temperature

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		65		40.9		42.9		52.8		65		76.1		83.8		87.8		85.8		79.9		68.3		54.2		42.8

Average Low Temperature

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		42.3		23.2		23.7		31.1		40.7		50.4		58.6		62.2		60.8		54.3		42.9		34.2		25.9

Highest Recorded Temperature

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		109		80		88		90		97		101		104		109		109		104		95		85		76

Lowest Recorded Temperature

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-11		-11		-10		-3		16		27		16		41		41		29		18		5		-5

Average Number of Days Above 90F/32C

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38.3		---		---		---		0.5		2.6		7.7		12.9		9.4		4.9		0.2		---		---

Average Number of Days Below 32F/0C

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		112.8		25		22.8		17.9		5.5		0.5		---		---		---		0.2		4.1		13.6		23.1

Average Number of Days Below 0F/-17C

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.3		0.7		0.4		---		---		---		---		---		---		---		---		---		0.1

Average Precipitation

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		35.3		2.6		2.4		3.1		3.2		3.5		4		3.2		3.4		2.8		2.4		2.2		2.6

Average Number of Days With Precipitation

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		115		10		9		10		11		11		11		10		10		8		8		8		9

Most Precipitation Reported in a Day

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		4.6		2		2		2.1		3.3		2.5		4.6		3.6		3.5		3.9		4		2.7		2

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

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		75		6		6		7		7		8		8		7		7		5		5		5		6

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

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24		2		2		2		2		2		3		2		2		2		2		2		2

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

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		---		---		1		---		1		1		1		1		1		1		---		---

Average Number of Rainy Days

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		69.9		5.7		5.4		6.6		6.5		6.8		7.3		6.2		6.5		4.6		4.6		4.4		5.3

Most Rain Reported in a Month

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		46.8		6.6		5.5		6.6		7.7		7.5		10.1		7		12.2		6.4		7.2		5		6.3

Least Rain Reported in a Month

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		20		0.3		0.1		0.4		0.5		0.4		1.1		0.4		0.8		0.2		---		0.3		0.1

Average Snowfall

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		31.1		7.8		8.2		6.4		1.2		---		---		---		---		---		0.2		1.4		6

Most Snow Reported in a Month

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		66.6		37		28.7		27		12		---		---		---		---		---		3.5		11.1		27

Average Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72		71		70		66		66		72		73		73		77		77		75		72		71

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		43		24		26		29		40		51		60		65		64		57		46		33		24

Heating Degree Days

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4916		1021.5		895.5		714.6		364.5		54.3		---		---		---		---		291.4		624		950.2

Cooling Degree Days

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		816.3		---		---		---		---		---		186		310		257.3		63		---		---		---

Growing Degree Days

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3316.2		---		---		---		85.5		410.8		636		775		722.3		513		173.6		---		---

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		15.5		15.2		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
kWh/m2		3.6		1.8		2.6		3.4		4.4		4.9		5.6		5.5		4.9		4.1		3		1.9		1.5

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		0.8		1.1		1.5		2		2.3		2.5		2.4		2.1		1.6		1.2		0.9		0.7

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		2.9		3.5		4		4.5		4.5		4.9		4.9		4.7		4.5		4		2.8		2.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		2.8		3.4		3.6		4		4		4.7		4.8		4.5		4.4		3.9		2.7		2.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.6		1.8		2.6		3.4		4.4		4.9		5.6		5.5		4.9		4.1		3		1.9		1.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.8		1.1		1.6		2		2.4		2.5		2.4		2.1		1.7		1.3		0.9		0.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.8		3.4		4.6		5.2		5.1		5.5		5.6		5.5		5.4		5.4		5		4		3.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		3.3		5		5.5		5.1		5.8		6.2		5.9		5.6		5.7		5.3		4.3		3.4

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		1.5		2.2		2.9		3.9		3.7		4.8		4.7		4.4		3.4		2.5		1.2		1.3

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		1.4		1.9		2.2		2.4		2.3		2		1.5		1.1		0.8		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		3.2		2.2		2.9		3.2		3.9		3.4		4.2		4.2		4.2		3.6		3.1		1.6		1.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.6		2		2.5		2.6		3.1		2.3		3.5		3.5		3.6		3		2.7		1.2		1.7