SPRING GREEN, WISCONSIN

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7		-10.1		-7.1		-0.1		7.2		14.1		19.5		21.4		20.1		15.3		8.8		1.2		-6.4

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.3		-4.2		-0.9		5.7		13.8		20.9		26		28		26.8		22.4		15.8		6.6		-1.1

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.6		-16.1		-13.3		-6		0.6		7.1		13		14.8		13.4		8.1		1.8		-4.3		-11.7

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		31.3		2.6		4.2		11.3		17.4		25.4		30.3		31.3		30.7		25.7		19.8		12.7		4

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-26.2		-26.2		-22.3		-12.3		-1.9		3.7		9.8		12.1		10.1		4.5		-1.7		-10.2		-19.4

Average Number of Days Above 90F/32C

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.8		---		---		---		0.1		0.6		3.2		5.1		3.5		1.3		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		167.6		30.7		27.6		27.1		13.7		2.5		---		---		---		1.7		11.5		23.1		29.7

Average Number of Days Below 0F/-17C

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.5		12.9		8.6		2.2		0.1		---		---		---		---		---		---		0.9		6.8

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		748		27		24		46		78		71		97		91		102		80		53		50		30

Average Number of Days With Precipitation

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		114		9		7		10		11		11		11		10		10		9		8		9		9

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		254		60		75		106		157		130		187		221		230		254		126		116		57

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2		3		4		7		31		9		24		27		36		19		11		2		8

Most Precipitation Reported in a Day

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		116.6		29.5		31		39.4		58.2		64		54.9		92.2		116.6		106.4		53.3		66.5		23.9

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

Years on Record: 36

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

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

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17		---		---		1		2		2		3		2		3		2		1		1		---

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

Years on Record: 36

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

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		1.7		0.8		0.8		1		1.4		2		2.7		3.1		3		2.3		1.7		1.2		0.9

Average Snowfall

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		82.3		20.1		15.2		17.5		3.6		---		---		---		---		---		---		6.6		19.3

Most Snow Reported in a Month

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		73.4		61.5		48.3		73.4		19.3		---		---		---		---		---		1.5		27.9		59.2

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72.8		74.1		71.9		69.6		65.1		67.1		73.1		76.2		79.1		76.9		71.9		73.2		75.8

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4401.7		881.7		711.7		573.3		334.4		153.9		27.2		8.3		28.9		107.2		294.4		514.4		766.1

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		287.2		---		---		---		0.6		20		62.2		103.3		85		15.6		0.6		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1235.5		---		---		---		---		125.7		285		353.1		313.4		158.3		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		10		11.1		12.5		14		15.3		15.9		15.6		14.4		12.9		11.5		10.2		9.6

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		55.3		60.3		58.9		56.8		56.1		54.7		52		49.5		49.5		49.2		52.6		61		63.7

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		51.2		56.9		55.2		54		53.4		50.1		45.1		42.1		44.5		45.5		49.4		57.4		61

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		11.4		12.5		12.9		13.1		14.5		12.9		10		8.8		7.9		8.9		11.6		12.5		11.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.5		6.5		9.8		13		16.2		19.3		21.4		21.2		18.3		14.7		10		6.5		5.5

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		2.4		3.4		5		6.9		8.1		8.7		8.2		7.2		5.5		4		2.7		2.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		12.6		15.3		16.2		16.7		17.8		18.6		18.9		18		16.9		14		10.9		11.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		13		16.1		16		16.1		18		20.1		20.5		18.4		17.2		13.8		11		11.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.5		6.5		9.8		13		16.2		19.3		21.4		21.2		18.3		14.7		10		6.5		5.5

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		7.5		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		19		14.7		18.7		21.6		19.4		22.6		22.1		20.7		20.4		21.1		17.1		15.8		13.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.7		15.7		20.8		24.8		20.8		28.3		28.3		24.6		23.3		24.3		18.2		17.8		13.8

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		5.5		8.2		11.2		12.9		15.7		18.8		17.9		16.3		11.1		7.6		4.8		4.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		2.2		2.9		4		6.5		6.9		7.6		7.8		6.6		4.7		3.7		2.3		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		12.3		9.8		11.7		13.3		13		14.3		16.4		15.9		15.9		11.9		9.7		7.1		8.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.9		9.4		11.5		11.9		10.1		11.6		15.3		14.5		14.6		9.7		8		6		8.5