MARKSVILLE, SOUTH DAKOTA

Average Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.8		-9.3		-7.4		-1.2		8.2		14.4		19.8		23.7		23.1		17.1		10.7		0.5		-5.7

Average High Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.1		-2.8		-0.4		5.3		15.7		21.6		26.4		31.7		31.4		25.6		18.6		7.2		0.8

Average Low Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.6		-16		-14.4		-7.6		0.9		7		12.7		16		15.1		8.7		2.3		-6.1		-12.1

Highest Recorded Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		44.4		17.2		22.8		30.6		33.3		38.3		40.6		44.4		43.9		41.1		35.6		25.6		21.7

Lowest Recorded Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-42.8		-37.2		-42.8		-31.7		-12.2		-6.7		-2.2		6.1		1.7		-5.6		-10		-27.2		-31.7

Average Number of Days Above 90F/32C

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		41.7		---		---		---		0.2		1.4		5.4		14.9		13.5		5.6		0.6		---		---

Average Number of Days Below 32F/0C

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		170.4		30.3		27.4		27.5		13.4		3.2		0.2		---		---		1.3		11.2		25.8		29.9

Average Number of Days Below 0F/-17C

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33.4		12.6		9.9		3		---		---		---		---		---		---		---		1.6		6.4

Average Precipitation

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		452		18		16		26		39		74		96		48		50		32		25		18		10

Average Number of Days With Precipitation

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		75		4		5		6		6		9		12		7		8		5		5		4		4

Most Reported Precipitation in a Month

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		177		88		31		86		93		161		162		141		177		117		71		67		58

Least Reported Precipitation in a Month

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		2		---		---		---		20		33		1		2		1		---		---		---

Most Precipitation Reported in a Day

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		70.1		53.3		22.9		40.6		38.1		68.6		60.7		49.5		70.1		47.2		33.8		38.6		31.2

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

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		41		2		2		3		4		6		8		4		4		3		2		2		1

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

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		---		---		---		1		2		3		1		1		1		1		---		---

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

Years on Record: 57

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

Average Snowfall

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		78.2		16.8		21.3		14.5		4.3		1.5		---		---		---		---		2.3		7.1		10.4

Most Snow Reported in a Month

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		44.7		32.3		44.7		33.8		24.1		25.4		---		---		---		---		11.4		31		39.9

Heating Degree Days

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2961.7		686.1		570		433.3		157.8		47.8		5		---		---		19.4		102.8		367.8		571.7

Cooling Degree Days

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		478.3		---		---		---		1.7		23.9		78.3		171.1		151.7		47.2		4.4		---		---

Growing Degree Days

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1495.2		---		---		---		---		136.1		293.3		425.4		404.7		213.3		22.4		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.8		11		12.5		14.1		15.5		16.2		15.8		14.5		13		11.4		10.1		9.4

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.9		5.8		8.6		12.6		17.4		20.4		22.5		22.8		19.9		15		10.3		6.3		4.9

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		2.2		3.2		4.8		6.4		7.9		8.4		7.8		6.6		5.2		3.6		2.5		1.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.2		11.9		13.9		16.4		18.2		18.8		19.5		20.3		19.9		17.8		15.4		11.9		10.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.5		12.1		14		16.3		19.3		20.5		22.5		24.1		22.6		19		16.1		12.2		11.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.9		5.8		8.6		12.6		17.4		20.4		22.5		22.8		19.9		15		10.3		6.3		4.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.3		3.4		5.1		6.9		8.3		8.9		8.6		7.2		5.7		3.9		2.6		1.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		14		17.8		19.9		23		22		22.5		22.2		23.1		21.6		18		15.5		12.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.1		14.8		19.5		21.5		28.1		27.5		29.8		28.7		29.3		25.4		19.8		17.4		14.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.1		5.1		7.5		8.3		14.4		14.9		19.8		17.8		17.1		11.4		8.5		4.5		3.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.4		2		2.8		4.4		5.3		7		7.4		7.1		5.6		4.4		3.3		2.1		1.7

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		9.9		11.2		9.9		14.7		13.6		17.2		15.9		16.8		12.7		11.7		7.2		7.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.3		9.6		10.7		7.1		13.2		10.8		17.5		14.8		16.7		11		11.1		6.2		7.2