SANSARC, SOUTH DAKOTA

Average Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.9		-8.8		-6.3		-0.2		7.7		13.9		19.7		23.9		22.8		17.1		10.1		1.2		-5.7

Average High Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.8		-3		-0.4		6.2		14.8		21.1		26.8		31.8		30.9		24.9		17.4		7.3		-0.2

Average Low Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.1		-14.7		-12.3		-6.5		0.6		6.7		12.5		15.9		14.7		9.1		2.8		-5		-11.3

Highest Recorded Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		46.7		19.4		23.3		32.2		36.1		40.6		44.4		46.7		43.9		43.3		36.7		26.7		21.1

Lowest Recorded Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-38.9		-38.9		-37.8		-31.1		-18.9		-7.8		0.6		-3.3		1.7		-10.6		-21.7		-27.8		-33.9

Average Number of Days Above 90F/32C

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40.5		---		---		---		0.1		1.4		5.5		15		13.4		4.6		0.4		---		---

Average Number of Days Below 32F/0C

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		165.9		30.4		27.3		27		14.1		2.8		---		---		---		0.9		9.1		24.7		29.7

Average Number of Days Below 0F/-17C

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.7		11.7		7.8		2.2		---		---		---		---		---		---		---		1.2		6.9

Average Precipitation

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		432		7		10		30		48		71		77		58		43		31		34		15		7

Average Number of Days With Precipitation

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59		3		3		5		6		8		8		6		6		4		4		3		3

Most Reported Precipitation in a Month

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		212		62		52		116		139		200		196		212		155		155		111		65		38

Least Reported Precipitation in a Month

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		3		4		6		2		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		126.8		39.6		40.6		76.2		73.7		72.4		55.9		126.8		81.3		114.8		97.8		39.9		76.2

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

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37		1		2		3		4		6		6		4		4		3		2		1		1

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

Years on Record: 75

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

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

Years on Record: 75

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

Average Snowfall

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		89.7		11.7		15.2		22.6		11.9		1.5		---		---		---		0.5		2.8		10.4		12.9

Most Snow Reported in a Month

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		94		38.1		52.1		86.4		94		16		---		---		---		5.1		25.4		40.6		41.9

Heating Degree Days

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2895		670		540		402.8		170.6		46.7		3.3		---		---		20		118.3		349.4		573.9

Cooling Degree Days

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		468.9		---		---		---		1.7		16.7		75.6		175.6		147.8		47.8		3.9		---		---

Growing Degree Days

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1457.4		---		---		---		---		122.3		290		430.6		397.8		213.3		3.4		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		9.8		11		12.5		14		15.4		16.1		15.7		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		14.2		5.8		8.7		12.6		17.3		20.9		23.1		23.4		20.3		15.5		10.5		6.5		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		2.2		3.2		4.8		6.4		7.8		8.2		7.6		6.5		5.1		3.6		2.4		1.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.5		12		14.2		16.3		18.2		19.2		20.1		20.8		20.3		18.5		15.8		12.5		10.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		12.2		14.5		16.2		19.2		21.4		23.8		25.5		23.5		20.2		16.8		13		11.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.2		5.8		8.7		12.6		17.3		20.9		23.1		23.4		20.3		15.5		10.5		6.5		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		5.4		2.3		3.4		5.1		6.9		8.2		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		19.5		14.2		18		18.9		23.1		21.9		23		22.6		23.6		21.5		18.2		16		13.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.5		15		19.7		20.6		28.4		27.2		31.2		29.8		30.5		25.2		20		18		15.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.3		5		6.9		9.1		14.3		14.5		20.1		18.5		17.5		11.6		8.9		5.2		3.8

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		5.2		7.1		7.1		7		5.4		4.5		3.3		2		1.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.6		9.5		10.3		11.1		14.7		13.2		17.5		16.5		17.3		12.9		12.4		8.9		6.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.7		9.1		9.2		8.6		13.1		10.2		18		16		17.6		11.4		12.1		8.2		6.8