GIBRALTAR, MICHIGAN

Average Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.1		-3		-1.8		2.3		8.9		15		20.8		23.2		22.3		18.1		11.3		5.1		-1

Average High Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.7		0.5		2.1		7.1		14.2		20.5		26.1		28.5		27.4		23.3		15.9		8.7		2.3

Average Low Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.5		-6.5		-5.7		-2.4		3.5		9.4		15.4		17.9		17.3		12.9		6.6		1.3		-4.2

Highest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38		15		19		24.5		30		33		36		38		37		34		28.5		23		18

Lowest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-28		-28		-22.5		-20.5		-8		-2		5		8		8		1		-5		-10.5		-22.5

Average Number of Days Above 95F/35C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1		---		---		---		---		---		0.1		0.7		0.3		---		---		---		---

Average Number of Days Above 86F/30C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.1		---		---		---		---		1.3		5.8		8.6		5.1		1.3		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		137.6		---		---		1.1		5.2		14.5		27		30.7		30.2		22		6.5		0.4		---

Average Number of Days Above 50F/10C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		226.5		1.5		1.8		8.7		22.4		30.4		30		31		31		29.9		26.5		11.2		2.2

Average Number of Days Above 32F/0C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		325		16.4		17.7		27.4		29.9		31		30		31		31		30		31		28.9		20.6

Average Number of Days Below 35F/2C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		150.5		29.9		27.5		26.4		13.4		1.7		---		---		---		0.2		5.6		17.5		28.3

Average Number of Days Below 32F/0C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		122		26.8		24.9		22.6		7.7		0.4		---		---		---		---		2.5		12.4		24.7

Average Number of Days Below 28F/-2C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83.2		22		19.7		15.3		2.7		---		---		---		---		---		0.3		6.1		17.3

Average Number of Days Below 10F/-12C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21.3		8.1		6.2		2.1		---		---		---		---		---		---		---		0.1		5

Average Number of Days Below -4F/-20C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.7		0.4		0.2		0.1		---		---		---		---		---		---		---		---		0.1

Average Number of Days Below -22F/-30C

Years on Record: 18

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Average Precipitation

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		906		66.2		54.9		62.5		89.4		96.8		79.6		81.2		81.9		85.6		74.2		71.1		62.7

Most Precipitation Reported in a Day

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		116.8		47.2		53		43.8		60.2		66.6		56.4		88.6		56.6		116.8		53.2		48.4		41.6

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

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		133.5		12		9.1		11.7		13.6		12.8		10.1		10.5		10		9.2		10.4		11.8		12.4

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

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55		4.6		3		4.4		5.6		5.7		4.8		5		4.4		4.7		4.3		4.5		4.2

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

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.8		1.8		1.8		1.8		3.1		3.2		2.7		2.8		2.7		2.8		2.5		2.4		2.1

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

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.2		0.4		0.3		0.3		0.4		0.8		0.7		0.6		0.9		0.7		0.5		0.4		0.2

Avg. No. of Days w/Rain Above 0.1in/2mm

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		115.1		6.6		5.5		8.8		12.8		12.8		10.1		10.5		10		9.2		10.4		10.7		7.8

Average Rainfall

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		822.7		40		38.1		46.7		86.1		96.8		79.6		81.2		81.9		85.6		73.8		68.1		44.9

Most Rain Reported in a Day

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		116.8		47.2		51.2		43.8		60.2		66.6		56.4		88.6		56.6		116.8		53.2		48.4		41.6

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

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		49.2		2.5		2.2		3.3		5.4		5.7		4.8		5		4.4		4.7		4.2		4.3		2.9

Avg. No. of Days w/Rain Above 0.4in/10mm

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27.6		1.2		1.2		1.4		2.9		3.2		2.7		2.8		2.7		2.8		2.5		2.4		1.7

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

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.8		0.3		0.2		0.2		0.4		0.8		0.7		0.6		0.9		0.7		0.5		0.4		0.1

Average Snowfall

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		83.3		26.2		16.7		15.9		3.3		---		---		---		---		---		0.4		3		17.8

Average Snow Cover

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		1		5.1		2.8		1.3		---		---		---		---		---		---		---		0.1		2.8

Average Snow Cover at Month End

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		0.8		5		2.3		---		---		---		---		---		---		---		---		0.1		2.2

Deepest Snow Cover Reported

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		42		42		28		20		7		---		---		---		---		---		2		8		22

Most Snow Reported in a Day

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		28		28		28		25		11		---		---		---		---		---		5		8		20

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.3		6.6		4.6		4.1		1.6		---		---		---		---		---		0.2		1.4		5.8

Avg. No. of Days w/Snowfall Above 2in/5cm

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.5		1.9		0.9		0.9		0.2		---		---		---		---		---		0.1		0.2		1.3

Avg. No. of Days w/Snow Above 3.9in/10cm

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.8		0.5		0.6		0.4		0.1		---		---		---		---		---		---		---		0.3

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.2		0.1		0.1		0.1		---		---		---		---		---		---		---		---		---

Av. # of Days w/Snow Depth Above 0.4in/10mm

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38		19.1		10.3		5.2		0.4		---		---		---		---		---		---		0.7		2.4

Avg. # of Days w/Snow Depth Above 2in/5cm

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18.8		12.7		2.8		2.7		0.2		---		---		---		---		---		---		0.3		0.2

Av. # of Days w/Snow Depth Above 3.9in/10cm

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9.5		5.7		2		1.8		---		---		---		---		---		---		---		---		---

Av. # of Days w/Snow Depth Above 7.8in/20cm

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.3		2.3		1		---		---		---		---		---		---		---		---		---		---

Heating Degree Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4121		680.3		596.4		516.7		316.7		172.2		---		---		---		50		223.9		433.3		628.6

Cooling Degree Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		171.7		---		---		---		---		---		16.7		86.1		68.9		---		---		---		---

Growing Degree Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1258.8		---		---		---		---		86.1		266.7		344.4		327.2		200		34.4		---		---

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