ASSATEAGUE, MARYLAND

Average Temperature

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.7		2.4		3.4		6.9		11.7		16.7		21.7		24.3		24.4		21.7		15.8		10.3		5.1

Average High Temperature

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.4		7.1		8.1		11.7		16.6		21.3		26.4		28.9		28.9		26.2		20.7		15.2		9.8

Average Low Temperature

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.1		-2.2		-1.2		2		6.8		12		17.1		19.8		19.9		17.3		11		5.5		0.4

Highest Recorded Temperature

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38.9		23.3		25.6		31.7		32.2		37.2		38.9		38.9		38.3		35.6		34.4		27.2		24.4

Lowest Recorded Temperature

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-18.9		-18.9		-16.1		-12.2		-6.7		1.7		5		9.4		8.9		5		-3.3		-9.4		-16.7

Average Number of Days Above 90F/32C

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.3		---		---		---		0.1		0.5		2.4		5.2		4.7		1.2		0.2		---		---

Average Number of Days Below 32F/0C

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		70.3		21.1		17.6		10		1.3		---		---		---		---		---		0.5		4.6		15.2

Average Number of Days Below 0F/-17C

Years on Record: 42

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

Average Precipitation

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1110		97		86		111		87		85		78		101		110		95		86		82		92

Average Number of Days With Precipitation

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		110		10		9		10		10		10		9		9		8		7		8		9		10

Most Precipitation Reported in a Day

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		225.3		89.9		72.9		80.5		66.8		53.3		73.9		158.2		225.3		188.7		98		101.3		84.8

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

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		71		7		6		7		6		6		6		6		5		5		5		5		6

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

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30		3		3		3		2		2		2		3		2		2		2		2		3

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

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12		1		1		1		1		1		1		1		1		1		1		1		1

Most Rain Reported in a Month

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1472		235		182		222		158		175		194		315		328		281		202		210		231

Least Rain Reported in a Month

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		773		12		13		7		28		12		15		19		13		10		---		---		10

Average Snowfall

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		12.9		5.1		4.8		2		---		---		---		---		---		---		---		---		1

Most Snow Reported in a Month

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		41.7		27.9		34.8		34.5		---		---		---		---		---		---		---		1.3		9.7

Heating Degree Days

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2574.1		491.7		420.6		355.7		198.3		51.7		---		---		---		---		76.7		240		410.8

Cooling Degree Days

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		580.5		---		---		---		---		---		101.7		186.9		189.4		102.5		---		---		---

Growing Degree Days

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2047.3		---		---		---		51.7		206.7		351.7		445.2		447.8		352.5		181.7		10		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.4		11.3		12.4		13.7		14.8		15.3		15		14		12.8		11.6		10.6		10

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		7.6		10.8		14.7		19		21.5		23		22.2		20.5		16.9		13.2		9.1		7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		3.1		4		5.5		6.8		8		8.5		8.2		7.1		5.7		4.2		3.1		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		17.1		11.8		14.5		17.2		19.4		19.6		20		19.8		19.9		18.8		17.8		14		11.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		12.2		15.2		17.1		19.9		20.7		22		21.3		21.2		19.6		18.6		15.1		12.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		7.6		10.8		14.7		19		21.5		23		22.2		20.5		16.9		13.2		9.1		7

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		3.2		4.3		5.8		7.3		8.5		9		8.8		7.7		6.3		4.5		3.4		2.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.1		13.7		18.1		20.7		23		22.8		21.7		22.3		22.8		21.7		22.4		18.1		14.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.4		14.8		20.6		22.7		26.9		27.5		25.9		27.1		27.1		24.5		26		21.2		16

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		6.3		8.2		11.9		16.5		13.9		19.9		19.3		17.9		13.8		11.7		7.1		5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		2.9		3.5		4.8		5.8		7.1		7.9		7.4		6.2		5		3.2		2.6		2.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.4		9.2		10		13.4		16.6		12.7		17.5		17.3		17.3		14.8		15.2		10		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		12		8.5		8.7		11.3		15		8.5		16.5		16.1		16.1		13.1		14.9		9.4		6.4