CALEDONIA, MICHIGAN

Average Temperature

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48		23.3		24.3		34.2		47		58.1		67.5		71.9		69.9		62.1		50.6		38.8		27.9

Average High Temperature

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		57.3		30.2		31.8		43.1		57.5		69.4		78.8		82.9		80.5		72.8		60.4		46.2		34.1

Average Low Temperature

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		38.6		16.5		16.7		25.2		36.5		46.7		56.2		60.9		59.2		51.4		40.8		31.4		21.7

Highest Recorded Temperature

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		102		68		67		78		90		92		98		102		100		98		89		77		67

Lowest Recorded Temperature

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-24		-22		-24		-8		3		21		33		41		39		27		18		5		-18

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
in		37.1		2.1		1.8		2.5		3.3		3.5		4		3.5		3.4		3.9		3		3.3		2.8

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
in		13.2		4.7		5.8		5.1		6.7		10		13.2		8.8		8.5		11.8		7.6		7.9		7

Least Reported Precipitation in a Month

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		0.4		0.3		0.5		0.8		0.9		0.2		0.5		0.1		---		0.6		0.8		0.7

Most Precipitation Reported in a Day

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.2		2.1		3		2.4		2.4		4.2		3.2		3.6		3.6		3.2		2.8		2.9		3.8

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
in		3.6		2.2		1.5		1.4		2		3.5		3.2		3.6		3.6		3.2		1.8		2.9		2.1

Most Rain Reported in a Month

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		47.6		4.4		3.3		5.1		6.1		8.3		8.2		8.8		8.5		11.9		6.3		7.8		6.6

Least Rain Reported in a Month

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		27.6		0.5		0.3		1		1.8		0.9		0.3		0.8		0.1		---		0.6		1		0.7

Average Snowfall

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		71.8		19.8		13.9		9.4		2.1		0.1		---		---		---		---		0.5		7		19

Most Snow Reported in a Month

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		59.2		45.5		41.6		36		16		5.5		---		---		---		---		8.4		25.3		59.2

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6896		1317		1135		956		571		255		58		10		24		159		471		793		1147

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		613		---		---		2		6		38		124		217		165		56		5		---		---

Growing Degree Days

Years on Record: 119

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2453.5		---		---		---		---		251.1		525		678.9		616.9		363		18.6		---		---

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
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