HOT SPRINGS, SOUTH DAKOTA

Average Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8		-5		-3		---		6		13		18		22		22		16		9		1		-2

Average High Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15		1		3		6		13		20		25		30		30		24		17		8		3

Average Low Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1		-11		-10		-6		---		6		11		15		15		8		2		-5		-8

Highest Recorded Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		42		23		23		26		31		33		41		42		40		40		33		25		21

Lowest Recorded Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-31		-31		-27		-27		-11		-7		---		3		5		-3		-10		-28		-27

Average Number of Days Above 90F/32C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		35		---		---		---		---		---		4		12		13		4		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		167		30		26		28		16		1		---		---		---		1		9		24		29

Average Number of Days Below 0F/-17C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18		6		4		3		---		---		---		---		---		---		---		1		3

Average Precipitation

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		380		---		10		20		30		70		70		50		30		20		10		10		---

Average Number of Days With Precipitation

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		72		4		3		5		8		12		10		7		7		5		5		3		3

Most Reported Precipitation in a Month

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		159		63		53		50		100		159		149		87		56		94		59		30		27

Least Reported Precipitation in a Month

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		1		7		3		24		32		10		23		6		5		2		4

Most Precipitation Reported in a Day

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		57.9		38.9		26.7		24.4		26.2		51.6		39.1		36.1		38.6		57.9		23.9		11.7		15.5

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		41		1		2		3		5		6		6		4		5		3		2		2		2

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9		---		---		1		1		2		2		1		1		1		---		---		---

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

Years on Record: 11

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

Average Number of Rainy Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38		---		2		3		4		6		6		4		3		2		1		1		1

Average Snowfall

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		86		7		18		19		15		---		---		---		---		---		3		11		9

Most Snow Reported in a Month

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		77.5		66.5		50.8		47		77.5		28.7		3.8		---		---		7.6		16.5		33		36.8

Average Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		59		67		68		67		57		59		61		54		51		49		52		61		65

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		-11		-9		-6		-2		4		10		11		10		3		-1		-6		-8

Heating Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4372.3		723.3		612.1		576.9		350		155		---		---		---		58.3		249.7		500		637.2

Cooling Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		283.9		---		---		---		---		---		8.3		137.8		137.8		---		---		---		---

Growing Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1354.1		---		---		---		---		103.3		258.3		396.1		396.1		191.7		8.6		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		9.9		11.1		12.5		14		15.3		15.9		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