ALPENA, WEST VIRGINIA

Average Temperature

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.2		0.4		-0.2		2.2		7.8		13.2		17.6		19.8		18.6		16.5		10.1		4.2		-0.2

Average High Temperature

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.8		5.8		5.7		8.2		15.3		20.7		24.8		26.8		25.6		23.9		17.7		10.6		5.2

Average Low Temperature

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2.5		-4.9		-6.2		-3.9		0.3		5.8		10.6		12.7		11.7		9.1		2.4		-2.1		-5.5

Highest Recorded Temperature

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		34.4		21.1		23.3		23.9		30		32.2		32.2		34.4		33.3		33.9		29.4		23.9		19.4

Lowest Recorded Temperature

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-28.3		-25		-25.6		-21.7		-11.1		-6.1		-2.8		1.1		-1.1		-7.8		-13.3		-22.2		-28.3

Average Number of Days Above 90F/32C

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3		---		---		---		---		0.1		0.2		1.5		0.8		0.5		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		150.5		24		23.6		23.6		16.2		4.9		0.6		---		0.2		1.5		10.8		19.8		25.4

Average Number of Days Below 0F/-17C

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.5		1.3		1.1		0.2		---		---		---		---		---		---		---		0.4		1.5

Average Precipitation

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1412		112		100		125		118		138		142		155		131		104		87		89		111

Average Number of Days With Precipitation

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		154		15		14		15		14		13		12		13		11		10		9		12		16

Most Precipitation Reported in a Day

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		114.3		48.3		60.2		76.2		56.9		62.2		63.5		109.7		77.5		63		114.3		44.5		68.6

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

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		118		11		10		12		11		10		10		11		9		8		7		8		11

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

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		39		3		3		4		3		4		4		4		4		3		2		2		3

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

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		1		1		1		---		1		1		2		1		1		1		---		---

Most Rain Reported in a Month

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1854		211		185		257		229		284		236		246		256		226		298		201		191

Least Rain Reported in a Month

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1119		30		24		40		36		45		63		72		35		28		7		23		45

Average Snowfall

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		262.9		52.1		53.6		51		17		0.2		---		---		6.3		---		2.8		24.1		55.4

Most Snow Reported in a Month

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		419.1		127		144.8		124.5		88.9		5.1		---		---		183.4		---		30.5		93.5		162.6

Heating Degree Days

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3844.8		555.4		525		502.1		315.8		158.4		19.2		---		---		55.8		257.5		423.3		573.5

Cooling Degree Days

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53.4		---		---		---		---		---		---		43.9		9.5		---		---		---		---

Growing Degree Days

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1095.9		---		---		---		---		99.9		230.8		302.3		267.8		194.2		0.9		---		---

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		12.4		13.7		14.8		15.4		15.1		14.1		12.8		11.6		10.5		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		13.3		6.5		9.1		12.2		16.3		18		20.7		20		17.6		15.2		11.6		7.1		5.6

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		4.1		5.7		7.2		8.5		8.9		8.6		7.6		6		4.4		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		14.5		10.2		11.9		14		16.4		16.4		18.1		17.9		17.1		16.8		15.4		10.4		8.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		9.7		11.2		12.3		14.9		14.7		18		17.5		16		16.3		15.3		10		8.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.3		6.5		9.1		12.2		16.3		18		20.7		20		17.6		15.2		11.6		7.1		5.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6		3		4.2		5.8		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		17.6		12.2		16.1		18.2		18.7		20.6		20.8		19.8		19.4		20.2		18.4		15.8		11.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.8		12.4		16.7		18.8		18.8		22.7		24		21.4		20.2		22		19.7		17.7		11.6

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		5.4		7.2		10.3		14.2		13.9		17.2		17.4		15.8		12.5		9		4.9		4.4

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		2.9		3.8		5.2		7		7.8		8.2		8.2		7.2		5.4		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		11.4		7.6		8.8		11.3		14.1		12.7		15.2		15.6		15.2		13.3		11		6.3		6.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.2		6.6		7		8.6		11.2		8.6		12.3		13.2		12.8		11		9.2		4.8		5.4