MONROE, MICHIGAN

Average Temperature

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10		-3.6		-2.5		2.2		8.8		15.3		21		23.3		22.3		18.3		11.7		4.8		-1.3

Average High Temperature

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.2		0.5		1.9		6.9		14.2		21		26.8		29.3		28.2		24.2		17.4		9.2		2.6

Average Low Temperature

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.9		-7.7		-6.9		-2.6		3.3		9.5		15.2		17.4		16.4		12.3		6.1		0.4		-5.1

Highest Recorded Temperature

Years on Record: 80

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41		21		21		28		32		35		41		41		39		39		33		27		20

Lowest Recorded Temperature

Years on Record: 80

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-29		-27		-29		-18		-11		-3		1		1		3		-2		-6		-17		-24

Average Number of Days Above 100F/38C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.1		---		---		---		---		---		---		0.1		---		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18.7		---		---		---		---		0.8		4.3		7.4		4.6		1.5		0.1		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		69.1		---		---		---		1.2		5		14.8		21.9		18.7		6.9		0.6		---		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		130.1		---		---		1		4.5		13.7		25.8		30.5		29.6		19.7		4.8		0.4		---

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		180.7		---		0.2		3.1		11.5		25.3		29.4		31		31		28.4		16.1		4.1		0.6

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		227.7		1.1		1.8		8.7		21.8		30.4		30		31		31		29.9		26.7		12.6		2.7

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		274.1		4.9		6.9		18.5		28.5		31		30		31		31		30		30.7		22.4		9.2

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		352.8		31		28		31		30		30.7		28.4		25.3		26.9		29.4		31		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		292.7		31		28		31		29.5		27.3		14.3		7		10.5		22.7		30.4		30		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		231.3		31		28		30.5		27.7		16		2.2		0.1		0.6		9.6		25.6		29.1		30.8

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		180.8		30.8		27.9		29.3		19.2		3.9		---		---		---		1		14.2		24.6		30

Average Number of Days Below 32F/0C

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		130.2		28.6		25.7		22.6		8		0.4		---		---		---		---		3.2		15.5		26.2

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		48		16		13.7		6.5		0.4		---		---		---		---		---		---		1.8		9.6

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16.5		7.1		5		1		---		---		---		---		---		---		---		---		3.3

Average Number of Days Below 0F/-17C

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.2		2.1		1.2		0.1		---		---		---		---		---		---		---		---		0.8

Average Precipitation

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		804		48		44		62		79		81		88		75		81		71		60		60		55

Average Number of Days With Precipitation

Years on Record: 74

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

Most Reported Precipitation in a Month

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		216		147		116		138		158		211		168		215		214		195		169		216		156

Least Reported Precipitation in a Month

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1		2		1		10		12		14		18		9		10		12		5		9		6

Most Precipitation Reported in a Day

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		107.2		50		44.2		50.5		57.1		64		69.6		72.4		107.2		60.5		67.8		54.6		69.8

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		73.2		5.1		4.8		5.8		7.9		7.2		6.3		6		6		6		5.3		6.8		6

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

Years on Record: 74

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

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

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21		1		1		1		2		2		3		2		2		2		2		2		1

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22		0.8		1		1.2		2		1.9		2.1		2.5		2.2		2.5		2.1		2.1		1.6

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

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		---		---		---		---		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		115.9		9.5		8.7		10.2		11.4		11.2		10		8.5		8.8		8.8		8.8		10.4		10.1

Most Rain Reported in a Day

Years on Record: 80

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		100		50		40		50		60		60		60		70		100		100		60		50		60

Most Rain Reported in a Month

Years on Record: 80

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1070		140		110		130		180		210		160		210		210		190		150		210		150

Least Rain Reported in a Month

Years on Record: 80

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		470		---		---		10		10		10		10		---		10		10		---		---		---

Average Snowfall

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		71.1		18.8		15.8		13.5		2.3		---		---		---		---		---		---		5.6		15.2

Most Snow Reported in a Month

Years on Record: 80

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		164		73		59		72		30		3		---		---		---		---		7		31		68

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6408		1249		1071		910		531		220		36		3		10		116		430		740		1092

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		821		---		---		---		7		45		176		282		226		77		6		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2980		---		---		13		81		306		591		744		682		415		126		19		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		10.1		11.1		12.5		13.9		15.1		15.8		15.4		14.3		12.9		11.5		10.3		9.7

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.1		5.3		7.8		11.8		16.1		19		21.3		21.4		18.4		15.2		10.2		6.1		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		5.5		2.6		3.7		5.3		7		8.3		8.7		8.2		7.3		5.5		4.2		2.9		2.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.3		8.7		10.9		14		16.4		17.4		18.5		19		18		17.3		13.8		9.4		7.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.1		8		9.9		12.7		15.4		17		19.6		20.6		18.2		17.8		13.4		9		7.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.1		5.3		7.8		11.8		16.1		19		21.3		21.4		18.4		15.2		10.2		6.1		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		5.7		2.7		3.8		5.4		7.2		8.5		9.1		8.8		7.6		6		4.3		3		2.3

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		11.3		14.4		17.4		19.1		20.4		21		20.7		19.9		21.2		15.9		12.1		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		18.6		11.7		15.1		17.9		20.2		23.1		25.2		24.3		21.9		24.4		16.3		12.5		11.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.6		4.2		5.7		9.1		13.4		16		18.2		17		15.4		11.4		8.7		4.2		3.7

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		2.5		3.5		5		6.6		7.7		8.1		7.8		6.8		4.8		4		2.7		2.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.1		6.5		7.3		10.2		13.5		14.7		16		15.2		14.9		12.3		11.2		5.6		5.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.1		5.2		5.2		7.6		10.7		11.9		14.3		13		12.8		10		9.9		4.3		4.9