KETCHUM, IDAHO

Average Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.6		-7.9		-6.9		-4.5		-0.5		5.2		9.3		13.1		12.8		8.3		3.6		-3.8		-9.1

Average High Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.7		-0.2		1.4		3.8		7.2		13.8		18.6		24.6		24.7		19.3		12.9		3.9		-1.4

Average Low Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-7.4		-15.3		-15.3		-12.8		-8.1		-3.5		-0.3		1.5		1.2		-2.8		-5.8		-11.6		-16.6

Highest Recorded Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		36.1		13.9		13.3		15		22.8		26.7		30.6		35		36.1		29.4		26.1		17.8		12.8

Lowest Recorded Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-39.4		-33.3		-32.2		-29.4		-21.1		-15.6		-9.4		-7.2		-7.8		-12.2		-23.3		-35.6		-39.4

Average Number of Days Above 90F/32C

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.5		---		---		---		---		---		---		0.5		---		---		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		302.7		30.6		28.2		31		29.7		28.1		17.1		10.1		11.6		25.2		30.6		29.6		30.9

Average Number of Days Below 0F/-17C

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		48.6		11.9		10.4		7.4		0.9		---		---		---		---		---		0.3		4.5		13.1

Average Precipitation

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		628		90		62		69		44		39		51		24		25		28		35		66		94

Average Number of Days With Precipitation

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		91		10		8		9		7		7		9		5		5		5		6		8		12

Most Reported Precipitation in a Month

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		259		259		150		131		100		122		108		76		94		69		100		160		186

Least Reported Precipitation in a Month

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		5		16		---		---		24		2		2		6		3		19		35

Most Precipitation Reported in a Day

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		69.8		67.3		51		36.1		23.4		69.8		38.6		32.5		26.9		22.9		41.1		43.2		47.5

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

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		64		7		6		7		5		5		6		2		3		3		4		7		9

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

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17		2		2		2		1		1		1		1		1		1		1		2		2

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

Years on Record: 34

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

Average Snowfall

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		464.3		75.7		76.2		88.9		27.4		3.3		1.8		---		---		1.5		18		57.4		114

Average Snow Cover

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		43		101		114		111		81		10		---		---		---		---		---		17		71

Most Snow Reported in a Month

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		203.7		177.8		190.5		165.1		78.7		11.4		12.7		---		---		14		70.9		137.2		203.7

Heating Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4142.8		643.3		556.1		536.1		397.8		236.7		112.2		27.2		35.6		136.1		286.1		498.9		676.7

Cooling Degree Days

Years on Record: 34

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

Growing Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		182.5		---		---		---		---		---		---		94.7		87.8		---		---		---		---

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		12.5		14		15.3		16		15.6		14.4		12.9		11.4		10.2		9.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		6.8		10.4		14.9		18.6		21.1		24.1		25.9		22.6		17.6		11.8		7.1		6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.7		2.1		3		4.4		6.3		7.8		8		6.8		5.8		4.5		3.4		2.5		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		18.6		14.4		17.5		20.1		19.7		19.4		20.9		23		22.8		21.4		18.2		13.4		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		21.4		15.3		19.1		21.4		21.5		21.4		25.6		30.5		28.4		25		19.9		14		14.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		6.8		10.4		14.9		18.6		21.1		24.1		25.9		22.6		17.6		11.8		7.1		6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.3		3.4		5		6.8		8.2		8.8		7.9		6.6		5.5		3.8		2.7		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		22.3		18.5		20.2		23.4		22.6		23		25.1		26.2		26.3		25.1		24.3		17.7		15.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		28.2		20.8		23		26.4		27.3		29.6		36.5		39		36.3		31.7		29.2		19.7		18.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		6.1		8.8		12.8		16.7		19.2		20.9		22.8		20.6		14.3		10.5		5.2		5.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		3.7		1.7		2.5		3.7		5.5		6.7		6		5.1		4.2		3.5		2.2		2		1.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		12.2		13.8		16.6		17.5		17.6		18.2		20.2		20.5		16.5		15.3		8.4		9.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.2		12.5		13.8		16.2		17.4		17.8		19.3		23.7		23.5		16.7		15.7		7.6		10.8