HOUGHTON LAKE, MICHIGAN

Average Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		43.5		17.9		19.3		29		42.5		54.2		63.2		67.5		65.3		57.6		46.4		35.3		23.9

Average High Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		53.5		25.9		28.7		39.1		53.5		66.2		75.3		79.6		77		68.7		55.8		42.2		30.4

Average Low Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		33.5		10		9.9		18.8		31.6		42.1		51.1		55.3		53.7		46.5		37		28.4		17.3

Highest Recorded Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		103		54		59		85		86		90		103		98		96		92		85		70		64

Lowest Recorded Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-34		-26		-34		-23		2		21		29		33		29		21		16		-5		-21

Average Number of Days Above 90F/32C

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.4		---		---		---		---		0.1		0.9		1.8		0.6		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		45.4		---		---		---		0.2		3.5		9.5		16		11.5		3.8		0.7		---		---

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		116.5		---		---		0.1		3.4		12		23.9		29		28.5		15.9		3.6		---		---

Average Number of Days Above 65F/18C

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		136		---		---		1		5		18		27		31		29		19		6		1		---

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		164.5		---		---		1.2		11.8		23.5		28.8		30.8		31		25.5		10		1.6		0.2

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		210.1		0.2		0.5		7.2		18.9		29.9		30		31		31		29.5		22.5		8.9		0.5

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		254.1		2.6		3.7		16.1		25.9		31		30		31		31		30		30.1		17.8		4.9

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		364.7		31		28		31		30		31		30		30.8		31		29.9		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		347.3		31		28		31		30		30.3		26.8		25		25.3		28.4		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		291.7		31		28		31		29.9		26.2		15.5		9		10.9		20.1		29.2		30		31

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		222.9		31		28		30.8		25.6		15		2.5		0.5		0.6		7.3		22.4		28.4		30.6

Average Number of Days Below 32F/0C

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		170.7		30.4		27.6		27.6		17.2		4.7		0.3		---		0.1		1.8		9.9		21.6		29.5

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		92.2		24.5		21.7		17.9		3.2		0.1		---		---		---		---		0.3		5.5		19

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		48.6		16.1		14.9		7.7		0.3		---		---		---		---		---		---		0.7		8.9

Average Number of Days Below 5F/-15C

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29		12		12		5		---		---		---		---		---		---		---		---		---

Average Number of Days Below 0F/-17C

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20.5		7.8		7.3		2.7		---		---		---		---		---		---		---		0.1		2.6

Average Precipitation

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		28.4		1.5		1.2		1.9		2.4		2.7		3.2		2.6		3.2		3		2.4		2.3		1.8

Average Number of Days With Precipitation

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		140		14		11		11		12		11		11		10		10		11		12		13		14

Most Reported Precipitation in a Month

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		9.5		3.1		3.4		5.7		4.7		7.4		9.2		6.1		7.2		9.5		8.1		5.1		4.6

Least Reported Precipitation in a Month

Years on Record: 47

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

Most Precipitation Reported in a Day

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		3.5		1		1.4		1.9		1.8		1.9		2.8		3.5		3.1		2.3		3.5		1.8		1.7

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

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		66		5		4		5		6		6		6		5		6		6		6		6		5

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

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		15		---		---		1		1		2		2		2		2		2		1		1		1

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

Years on Record: 47

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

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		0.6		0.3		0.3		0.4		0.5		0.7		1		1.1		1.1		0.9		0.6		0.4		0.3

Average Number of Rainy Days

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		142		15		11		12		12		10		10		9		10		12		12		14		15

Average Number of Days With Thunderstorms

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30		---		---		1		2		4		5		6		6		4		1		1		---

Most Rain Reported in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		37.7		3.1		3.4		5.7		4.7		6		6.7		5.3		7.2		9.5		8.1		5.1		4.5

Least Recorded Rainfall

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		20.2		0.6		0.3		0.6		1		0.4		0.8		0.5		0.8		---		0.5		0.4		0.5

Average Snowfall

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		74.2		18.6		12.8		10.4		4.2		0.2		---		---		---		---		0.7		9.7		17.6

Most Snow Reported in a Month

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		45.8		38		23.6		28.7		17.3		2.3		---		---		---		0.1		4.4		41.9		45.8

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		73.5		79.2		75.3		68.8		63.2		65.1		70.6		72.1		75.7		77		76.4		78.4		80

Average Morning Relative Humidity

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		85		83		82		84		80		78		81		85		91		91		88		87		85

Average Evening Relative Humidity

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		61		72		66		61		53		47		51		52		58		61		62		72		76

Average Dew Point

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		35		13		13		21		30		41		52		58		57		50		39		29		19

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8053		1446		1256		1113		678		356		118		48		58		228		592		890		1272

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		296		---		---		---		1		14		63		110		80		23		5		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1960		---		---		2		38		177		399		527		486		266		60		4		1

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.9		11		12.5		14		15.4		16.1		15.7		14.5		13		11.4		10.1		9.5

Average Number of Days With Fog

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		152		11		10		12		10		11		12		12		17		16		14		14		13

Average Number of Clear Days

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		64		3		4		6		6		7		7		8		8		6		5		2		2

Average Number of Cloudy Days

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		200		22		17		18		17		14		12		10		12		15		18		23		23

Average Number of Partly Cloudy Days

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		100		6		7		7		7		10		11		13		11		9		8		5		6

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		60.5		79.2		73		59.3		55.1		53.6		48.8		46.2		46.4		48.9		60.7		75.1		80.2

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		57.5		77.5		70		56		52.3		49.6		44		41.4		42.9		46		58.2		73		78.7

Highest Reported Hourly Wind Speed

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		51		40		37		37		37		40		51		37		35		33		38		40		39

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.6		1.6		2.6		3.6		4.5		5.3		5.9		5.9		4.9		3.9		2.5		1.5		1.3

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		0.9		1.4		1.9		2.3		2.4		2.3		2		1.5		1.1		0.7		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		4.1		3.1		4.1		4.6		4.6		4.9		5.2		5.3		4.8		4.4		3.5		2.5		2.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		3.1		4.2		4.5		4.5		5		5.6		5.9		4.8		4.4		3.3		2.3		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		3.6		1.6		2.6		3.6		4.5		5.3		5.9		5.9		4.9		3.9		2.5		1.5		1.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.7		1		1.4		2		2.3		2.5		2.4		2.1		1.6		1.1		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		4.9		3.7		4.9		5.8		5.4		5.8		6		6		5.7		6		4.1		3		2.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.6		3.9		5.5		6.5		5.9		6.8		7.5		7.5		6.5		7.1		4.1		3		3.2

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		1.5		2.2		3.2		3.6		4.4		5		4.8		4.3		3.1		2.1		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		0.6		0.8		1.2		1.8		2.1		2.2		2.1		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		3.3		2.7		3.2		3.9		3.6		4		4.3		4.3		4.2		3.4		2.8		1.7		1.8

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		2.6		3.1		3.6		2.9		3.4		3.9		3.9		3.8		2.9		2.4		1.4		1.7