ORMAN, SOUTH DAKOTA

Average Temperature

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.2		-6.5		-4.2		0.5		7.7		13.5		18.7		23.1		22		16.3		9.8		1.9		-4

Average High Temperature

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.9		0.3		2.7		7.7		15.3		21.1		26.3		31.8		31		25.1		18		8.7		2.6

Average Low Temperature

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.6		-13.3		-11.1		-6.7		-0.1		5.8		11		14.3		13.1		7.6		1.5		-4.9		-10.7

Highest Recorded Temperature

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		43.3		20		22.8		30.6		32.8		37.8		41.7		43.3		43.3		40		35		27.2		22.8

Lowest Recorded Temperature

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-38.9		-38.3		-38.9		-34.4		-18.9		-11.1		-2.2		2.8		---		-6.7		-23.9		-31.1		-35.6

Average Number of Days Above 100F/38C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.6		---		---		---		---		---		0.2		0.8		0.6		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40.7		---		---		---		0.1		1.2		5		15.3		14.6		4.5		0.2		---		---

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		73.8		---		---		0.1		0.4		2.5		10.2		24		24		10.6		1.9		0.1		---

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		128.7		---		0.1		1.3		4.7		11.8		22.8		29.8		30		19.1		7.1		1.9		---

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		184		1.3		1.2		4.6		13		22.8		28.6		30.9		30.8		26.2		16.6		6.9		1

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		238.8		6.4		5.9		11.9		22.3		29.3		29.9		31		31		29.1		23.9		12		6.1

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		290.7		14.6		12.3		19.6		27.7		30.9		30		31		31		29.9		29.1		20.1		14.5

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		364.1		31		28		31		30		31		30		30.8		30.4		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		340.4		31		28		31		30		30.8		27		20.4		22		28.3		31		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		277.4		31		28		31		29.7		25.8		11.9		2.3		5.1		21.3		30.4		29.8		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		213.9		30.3		27.9		30		23.9		11.4		1		---		0.1		6.8		23.9		27.8		30.7

Average Number of Days Below 32F/0C

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		170.3		29.9		26.7		27.3		15.3		3.2		0.1		---		---		1.8		11.7		24.9		29.4

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		79.4		19.7		16.8		10.6		1.9		0.1		---		---		---		---		1.5		10.3		18.5

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		35		10.9		7.7		2.6		0.4		---		---		---		---		---		0.2		3.4		9.7

Average Number of Days Below 0F/-17C

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25.3		9.8		6		2.5		---		---		---		---		---		---		0.1		0.9		5.8

Average Precipitation

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		454		10		11		20		55		67		73		36		66		47		43		12		13

Average Number of Days With Precipitation

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		72		4		4		6		7		10		10		7		6		6		4		4		4

Most Reported Precipitation in a Month

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		212		33		24		49		126		201		212		181		124		129		94		184		33

Least Reported Precipitation in a Month

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		2		2		5		6		3		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		114.3		27.9		15.8		21.3		72.4		88.9		62.2		53.1		81.3		56.9		54.6		114.3		17.8

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

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		47.9		2.4		2.3		3.6		5.1		7		6.5		4.6		3.8		3.7		4.3		2.8		1.8

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

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		35		1		1		2		4		6		6		4		3		3		2		2		1

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

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		---		---		---		1		1		2		1		1		1		---		---		---

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.5		0.1		0.3		0.5		1.3		2.3		1.9		1.5		0.9		1		1.1		0.4		0.2

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

Years on Record: 69

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

Average Snowfall

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		89.9		13.7		11.9		19.3		13.2		2		0.2		---		---		0.8		5.6		9.1		14

Most Snow Reported in a Month

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		85.6		85.6		35.6		67.6		77.5		36.3		12.7		---		---		8.9		58.4		38.1		43.2

Heating Degree Days

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2665.6		598.3		478.9		382.2		165		47.8		4.4		---		0.6		21.7		118.9		327.2		520.6

Cooling Degree Days

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		372.8		---		---		---		0.6		10		55		150		125		30.6		1.7		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2423		2		1		11		55		186		418		669		644		336		84		17		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		9.8		11		12.5		14.1		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		14.4		5.9		9.1		12.7		17.4		21.2		23.6		24		20.8		15.8		10.6		6.6		5.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		2.1		3.1		4.8		6.4		7.7		8.1		7.4		6.4		5		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		16.9		12.4		14.8		16.4		18.2		19.5		20.4		21.4		20.8		19		16.1		12.6		10.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.8		12.7		15.6		16.6		19.2		22.1		24.8		26.8		24.5		21		17.1		13.2		11.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.4		5.9		9.1		12.7		17.4		21.2		23.6		24		20.8		15.8		10.6		6.6		5.1

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		8.8		8.5		7		5.7		3.8		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		19.6		14.5		17.7		18.9		22.6		21.8		22.9		23.2		23		21.6		18.9		16.2		13.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.6		15.8		19.8		20.6		27.4		27		31		31.3		29.1		25.4		21.1		18.4		16.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.7		5.2		6.5		10.4		14.1		14.9		20.8		19.6		18.9		12.2		9.2		5.3		3.6

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		1.9		2.8		4.4		5.4		7.1		7.2		6.7		5.6		4.4		3.2		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		13.1		10		9.6		12.9		14.4		13.6		18.1		17.4		18.7		13.8		13.2		9		6.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.5		9.7		8.3		11.2		12.7		10.7		19.2		17.8		20.3		12.6		13		8.5		6.2