ALLEGAN, MICHIGAN

Average Temperature

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48.4		24.3		25.8		34.5		47		58		67.5		71.7		69.8		62.7		51.3		39.6		28.7

Average High Temperature

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		58.6		31.8		34.4		43.9		58.2		69.9		79.3		83.8		81.7		74.4		62.4		47.7		35.5

Average Low Temperature

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		38.2		16.8		17.2		25.1		35.8		46		55.7		59.7		57.9		50.9		40.3		31.4		21.8

Highest Recorded Temperature

Years on Record: 107

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		106		67		69		81		92		97		101		106		106		99		91		81		68

Lowest Recorded Temperature

Years on Record: 107

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-29		-22		-29		-13		---		22		30		34		35		24		11		-8		-19

Average Number of Days Above 90F/32C

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.9		---		---		---		---		0.5		3		5.7		3.6		1.1		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		145.6		29.1		26.3		24.4		12		2		---		---		---		0.4		6.5		17.6		27.1

Average Number of Days Below 0F/-17C

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.6		2.7		2.4		0.5		---		---		---		---		---		---		---		---		1

Average Precipitation

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		36.5		2.6		1.9		2.6		3.3		3.6		3.6		3		3.3		3.6		3		3.1		2.9

Average Number of Days With Precipitation

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		127		14		11		11		11		10		9		8		8		10		10		11		14

Most Reported Precipitation in a Month

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		15.5		6.6		5.5		6.4		8.6		10.9		9.3		9.7		15.5		8.9		9.5		6.8		7.5

Least Reported Precipitation in a Month

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		0.5		---		0.5		0.6		0.4		0.5		0.5		0.3		---		0.2		0.6		0.7

Most Precipitation Reported in a Day

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.2		1.9		1.4		2.2		3.2		3.7		6.2		4.8		4.6		3.4		3.5		3.3		2.2

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

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		82		8		6		7		7		7		6		5		6		7		7		8		8

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

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22		1		1		2		2		2		2		2		2		3		2		2		1

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

Years on Record: 88

		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: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		119.7		12.8		10.3		10.4		10.4		10.2		8.7		7.3		7.4		9.1		9.3		11.1		12.5

Most Rain Reported in a Day

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.2		2.1		1.4		2.8		3.2		3.7		6.2		4.8		4.6		2.9		3.5		3.3		2.2

Most Rain Reported in a Month

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		56.7		6		4.4		6.4		8.6		11.3		10.8		9.7		15.5		8.9		9.5		6.8		7.7

Least Rain Reported in a Month

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		16.9		0.2		---		0.2		0.6		0.4		0.5		0.5		0.1		---		0.2		0.1		0.6

Average Snowfall

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		71.2		20.9		13.5		8.5		1.9		0.1		---		---		---		---		0.5		7.2		18.6

Most Snow Reported in a Month

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		132.3		57.3		37.3		33.5		15.6		4		---		---		---		---		11.5		33		64

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7230		1345		1145		978		612		316		86		14		50		174		510		821		1179

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		444		---		---		---		---		32		90		157		138		25		2		---		---

Growing Degree Days

Years on Record: 88

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2480.8		---		---		---		---		248		525		672.7		613.8		381		40.3		---		---

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
kWh/m2		3.7		1.7		2.6		3.6		4.5		5.4		6.1		6.1		5		4.1		2.6		1.6		1.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.7		1		1.4		1.9		2.3		2.4		2.3		2		1.5		1.1		0.8		0.6

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		3.2		3.9		4.4		4.6		4.9		5.3		5.4		4.9		4.7		3.6		2.5		2.6

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		3.2		4		4.3		4.4		5		5.8		6		5		4.7		3.5		2.4		2.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		1.7		2.6		3.6		4.5		5.4		6.1		6.1		5		4.1		2.6		1.6		1.4

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		0.7		1		1.5		2		2.4		2.5		2.4		2.1		1.6		1.2		0.8		0.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		3.7		4.7		5.7		5.1		6.2		6		6.2		5.8		6.2		4.2		3.5		3.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.8		3.9		5.1		6.3		5.2		7.5		7.5		7.8		6.8		7.4		4.2		3.7		3.6

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		1.5		2.4		3.2		3.5		4.7		5.1		4.8		4.3		3.3		2.2		1.2		1.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		0.7		0.9		1.2		1.9		2		2.2		2		1.8		1.2		1.1		0.7		0.6

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		2.6		3.4		3.9		3.5		4.3		4.5		4.3		4.2		3.6		2.8		1.7		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		3		2.5		3.4		3.5		2.7		3.7		4.1		3.7		3.7		3.1		2.4		1.5		1.8