BUFFALO GAP - SOUTH, SOUTH DAKOTA

Average Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.8		3.9		-1.4		-17.8		9.7		14.6		17.8		24.6		23.1		19.9		11.7		6		-0.3

Average High Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		20.2		11.3		6.1		-17.8		17.9		22.5		25.7		33.9		32.8		30.6		20.4		14.6		6.7

Average Low Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.2		-3.5		-9		-17.8		1.4		6.7		9.8		15.2		13.3		9.1		2.7		-3.2		-7.3

Highest Recorded Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		42.8		18.3		21.1		-17.8		27.8		35.6		40		42.8		40		38.9		34.4		26.1		18.9

Average Number of Days Above 90F/32C

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59.5		---		---		---		---		1		5		21		20		12		0.5		---		---

Average Number of Days Below 32F/0C

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		126		25		26		---		14		4		---		---		---		---		7.5		23		26.5

Average Number of Days Below 0F/-17C

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.5		---		3		---		---		---		---		---		---		---		---		---		5.5

Average Precipitation

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		465		11		15		24		44		80		84		69		45		38		27		15		12

Average Number of Days With Precipitation

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		78		4		4		6		7		11		11		9		7		6		5		4		4

Most Reported Precipitation in a Month

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		234		48		49		69		144		174		207		234		133		108		123		107		47

Least Reported Precipitation in a Month

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		2		5		10		22		13		6		2		---		---		---

Most Precipitation Reported in a Day

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		91.7		15.2		16.5		28.2		91.7		48.5		78.7		82.5		78.7		57.1		47.5		17.8		19.1

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		46.2		1.7		2.3		3.1		4.5		6.8		7		5.4		4		3.5		3.2		3		1.7

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

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		44		2		2		3		4		7		7		6		4		3		2		2		2

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

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		---		---		---		1		2		2		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		13.5		0.1		0.2		0.4		1.4		3		2.7		1.9		1.3		1.2		0.8		0.4		0.1

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

Years on Record: 56

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

Average Snowfall

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		67.6		12.2		11.2		14.7		8.4		0.2		---		---		---		0.5		2		6.9		11.4

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.3		2.9		1.9		2		1.2		---		---		---		---		---		0.2		0.8		2.3

Most Snow Reported in a Month

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		55.9		45.7		48.3		52.1		55.9		7.6		---		---		---		15.2		25.4		38.1		35.6

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9.1		2.2		1.6		1.6		1		---		---		---		---		---		0.2		0.8		1.7

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.9		0.9		0.8		0.5		0.5		---		---		---		---		---		0.1		0.4		0.7

Avg. No. of Days w/Snow Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1		0.1		0.1		0.2		0.2		---		---		---		---		---		---		0.2		0.2

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.1		0.1		---		---		---		---		---		---		---		---		---		---		---

Heating Degree Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1520		274.4		398.3		---		117.2		35.6		5.6		---		---		0.6		73.3		209.4		405.6

Cooling Degree Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		483.3		---		---		---		---		10.6		47.2		197.8		147.2		74.4		6.1		---		---

Growing Degree Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1582.2		---		---		---		---		142.9		233.3		451.2		404.7		296.7		53.4		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.9		11.1		12.5		14		15.3		16		15.6		14.4		12.9		11.5		10.2		9.6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		6.7		9.8		13.5		17.5		21.2		23.4		23.5		21		16.4		11.3		7.3		5.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.1		2.3		3.3		5		6.7		7.8		8.2		7.7		6.5		5.2		3.7		2.6		2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.2		13.2		15.1		16.8		18.1		19.4		20.3		20.9		20.8		19.2		16.6		13		12.5

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		13.8		16		17		18.6		21.4		23.8		25		24		21		17.4		13.8		13.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		6.7		9.8		13.5		17.5		21.2		23.4		23.5		21		16.4		11.3		7.3		5.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		2.5		3.6		5.3		7.1		8.5		8.8		8.4		7		5.9		4.1		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		20.1		16		18.1		20.5		23		21.7		22.7		22.8		22.4		21.2		19.8		15.9		16.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.7		17.8		19.9		23		27.9		26.2		29.8		29.7		27.3		24.4		22.2		17.9		18.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.5		5.9		7.7		11.1		15.1		16.3		21.1		20.7		19.5		13		10		5.4		4.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.5		2		3		4.3		5.4		7.2		7.3		7		6		4.7		3.3		2.3		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		13.9		10.6		11.1		13.7		15.3		14.9		18.4		18.4		19.3		14.5		13.9		8.7		8.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.4		10.6		10.1		11.7		13.8		12.6		19.3		19.4		20.8		13.4		13.6		7.7		8