HARRISON, MICHIGAN

Average Temperature

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.9		-6.7		-7.6		-2.1		6.4		12.4		18.2		20.6		19.2		15.3		9.1		1.6		-4.1

Average High Temperature

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.8		-2.1		-2.3		3.5		12.7		19.4		25.3		27.8		26.3		22.1		15.1		6.1		0.1

Average Low Temperature

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.8		-11.6		-12.9		-7.5		---		5.6		11.1		13.4		12.1		8.6		3.2		-3.1		-8.6

Highest Recorded Temperature

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39.4		12.8		13.3		27.8		31.1		33.9		38.3		39.4		36.7		36.1		28.9		21.7		16.7

Lowest Recorded Temperature

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-37.8		-28.9		-37.8		-26.7		-21.1		-6.7		-7.2		0.6		-1.1		-9.4		-13.3		-20.6		-26.7

Average Number of Days Above 90F/32C

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10.7		---		---		---		---		0.2		3		4.3		2.2		1		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		166.5		29.9		27.2		26.9		15.7		4.5		0.2		---		0.3		1.5		8.8		22.2		29.2

Average Number of Days Below 0F/-17C

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17		6.1		6.5		2.2		---		---		---		---		---		---		---		---		2.2

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		786		48		35		54		68		79		74		65		88		89		69		60		58

Average Number of Days With Precipitation

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		96		9		7		8		8		9		8		7		7		9		8		8		8

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		282		85		97		158		150		148		145		166		256		282		165		119		149

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		20		6		19		27		26		14		29		42		---		27		16		21

Most Precipitation Reported in a Day

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		134.6		43.7		30.5		55.9		42.7		56.9		68.3		134.6		72.4		80.3		57.1		46.7		66

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

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		63		5		4		5		6		6		6		5		5		6		5		5		5

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

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20		1		1		1		2		2		2		2		2		2		2		2		1

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

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		---		---		---		---		1		1		1		1		1		---		---		---

Average Number of Rainy Days

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		72		5		5		6		7		8		6		5		6		5		5		5		6

Average Snowfall

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		144.5		33.8		29		27.2		9.1		0.5		---		---		---		---		1.8		13.7		29.5

Most Snow Reported in a Month

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		111.8		82.3		111.8		81.3		39.4		7.6		---		---		---		1.8		15.2		61.7		78.7

Average Relative Humidity

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		73		77		76		74		70		69		70		69		72		74		74		76		78

Average Dew Point

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4		-7		-7		-3		2		7		13		16		15		12		6		---		-5

Heating Degree Days

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2944.4		605		572.8		462.2		206.1		68.3		7.2		0.6		1.1		26.7		135		336.7		522.8

Cooling Degree Days

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		237.8		---		---		---		2.2		8.9		54.4		88.3		58.9		23.9		1.1		---		---

Growing Degree Days

Years on Record: 93

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1093.9		---		---		---		---		74.1		245		328.9		285.9		160		---		---		---

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		11.1		12.5		13.9		15.2		15.8		15.5		14.3		12.9		11.5		10.3		9.6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.2		5.5		8.2		12.1		16.2		19.4		21.6		21.8		18.8		14.8		9.7		5.8		4.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.5		3.6		5.2		6.9		8.2		8.6		8.1		7.1		5.5		4.1		2.8		2.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.6		9.8		12		14.7		16.7		17.8		18.8		19.4		18.5		17		13.3		9.1		8.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		9.3		11.4		13.8		16		18		20.4		21.6		19.5		17.4		12.8		8.7		8.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.2		5.5		8.2		12.1		16.2		19.4		21.6		21.8		18.8		14.8		9.7		5.8		4.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		2.5		3.7		5.3		7.1		8.5		9		8.7		7.5		5.9		4.2		2.8		2.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.4		13		15.2		17.6		18.9		20.4		21.6		21.2		21		22.4		15.4		11.2		10.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		13.4		15.7		18.4		20		23.3		26.8		25.7		24.4		26.6		15.8		11.4		11.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.8		4.6		5.8		10.4		14.2		15.7		17.9		17.4		16.3		11.3		8.3		4.1		3.6

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		2.4		3.4		4.9		6.6		7.6		7.8		7.6		6.5		4.3		3.9		2.6		2.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.5		7.6		7.7		12.1		14.4		14.3		15.7		15.5		15.9		12.2		10.9		5.7		5.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.9		6.7		5.8		10.3		12.3		11.6		13.9		13.8		14.7		10.1		9.5		4.5		5.2