CALEDONIA, MICHIGAN

Average Temperature

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.9		-4.8		-4.3		1.2		8.3		14.5		19.7		22.2		21.1		16.7		10.3		3.8		-2.3

Average High Temperature

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.1		-1		-0.1		6.2		14.2		20.8		26		28.3		26.9		22.7		15.8		7.9		1.2

Average Low Temperature

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.7		-8.6		-8.5		-3.8		2.5		8.2		13.4		16.1		15.1		10.8		4.9		-0.3		-5.7

Highest Recorded Temperature

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38.9		20		19.4		25.6		32.2		33.3		36.7		38.9		37.8		36.7		31.7		25		19.4

Lowest Recorded Temperature

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-31.1		-30		-31.1		-22.2		-16.1		-6.1		0.6		5		3.9		-2.8		-7.8		-15		-27.8

Average Number of Days Above 90F/32C

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.4		---		---		---		---		0.3		2.5		4.9		2.8		0.8		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		141.2		28.8		26.3		23.8		10.8		1.5		---		---		---		0.3		5.3		17		27.4

Average Number of Days Below 0F/-17C

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		3.1		2.6		0.4		---		---		---		---		---		---		---		---		1

Average Precipitation

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		942		53		45		65		84		88		102		90		86		100		75		85		71

Average Number of Days With Precipitation

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		138		15		11		12		12		11		10		9		9		10		11		13		15

Most Reported Precipitation in a Month

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		336		119		147		130		170		254		336		224		215		301		194		201		176

Least Reported Precipitation in a Month

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		10		8		14		20		24		6		14		3		---		15		22		17

Most Precipitation Reported in a Day

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		105.4		54.6		75.2		59.7		59.7		105.4		80.5		90.4		91.7		81.5		71.9		74.7		97

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

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		78		6		5		7		7		7		7		6		6		7		6		7		7

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

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23		1		1		1		2		2		3		2		3		3		2		2		1

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

Years on Record: 119

		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		146.6		16.6		12.2		12.7		13.3		10.4		10.1		9.5		9.3		10.6		11.3		13.9		16.1

Most Rain Reported in a Day

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		90		50		30		30		50		80		80		90		90		80		40		70		50

Most Rain Reported in a Month

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1200		110		80		130		150		210		200		220		210		300		150		190		160

Least Rain Reported in a Month

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		690		10		---		20		40		20		---		20		---		---		10		20		10

Average Snowfall

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		182.4		50.3		35.3		23.9		5.3		0.2		---		---		---		---		1.3		17.8		48.3

Most Snow Reported in a Month

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		150.4		115.6		105.7		91.4		40.6		14		---		---		---		---		21.3		64.3		150.4

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3831.1		731.7		630.6		531.1		317.2		141.7		32.2		5.6		13.3		88.3		261.7		440.6		637.2

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		340.6		---		---		1.1		3.3		21.1		68.9		120.6		91.7		31.1		2.8		---		---

Growing Degree Days

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1363.1		---		---		---		---		139.5		291.7		377.2		342.7		201.7		10.3		---		---

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		15.9		15.5		14.4		12.9		11.5		10.2		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		13.4		6.2		9.2		12.8		16.2		19.3		22		21.8		18.1		14.6		9.5		5.8		4.9

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		3.5		5.1		6.9		8.2		8.6		8.1		7.2		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		15.1		11.6		14.2		15.8		16.6		17.7		19.1		19.4		17.8		16.7		13		9.1		9.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		11.7		14.4		15.5		16		17.9		21		21.6		18.1		17		12.5		8.7		9.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.4		6.2		9.2		12.8		16.2		19.3		22		21.8		18.1		14.6		9.5		5.8		4.9

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		3.6		5.3		7.1		8.5		9		8.7		7.6		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		18.2		13.5		16.8		20.4		18.3		22.1		21.6		22.2		21		22.4		15		12.5		12.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.7		14		18.4		22.8		18.8		27.1		27		28.2		24.4		26.6		15.2		13.1		12.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		5.3		8.5		11.6		12.6		16.8		18.5		17.1		15.5		11.8		7.9		4.4		4.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		2.3		3.1		4.3		6.7		7.1		7.8		7.2		6.5		4.3		3.9		2.7		2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.2		9.4		12.1		14		12.6		15.4		16.2		15.3		15.1		12.9		10.2		6.3		7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.8		8.8		12.1		12.7		9.6		13.3		14.9		13.4		13.2		11.1		8.6		5.2		6.4