LEADVILLE, COLORADO

Average Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.5		-7.7		-9.4		-7.2		-1.9		3.1		9.6		12		11.6		8.1		3.1		-5.9		-9.3

Average High Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.8		-0.7		-0.9		1		5.6		10.8		19.6		20.3		19.3		18.4		12.3		2.1		-1.8

Average Low Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-7.8		-14.7		-17.9		-15.4		-9.4		-4.6		-0.4		3.7		3.8		-2.3		-6.1		-14		-16.8

Highest Recorded Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30		15		15		15		21		24		30		30		28		27		23		18		17

Lowest Recorded Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-35		-33		-35		-28		-25		-14		-10		-2		-3		-12		-20		-27		-32

Average Number of Days Below 32F/0C

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		292.8		31		28.5		31		30		29.5		18.5		4		3		25.2		31		30		31

Average Number of Days Below 0F/-17C

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55.5		10		12.5		10.5		2.5		---		---		---		---		---		---		7		13

Average Precipitation

Years on Record: 64

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		450		30		30		40		40		30		20		60		50		30		20		20		20

Average Number of Days With Precipitation

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		89		9		8		9		10		7		4		8		9		5		5		6		9

Most Reported Precipitation in a Month

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		122		65		45		46		103		59		71		106		74		67		99		52		122

Least Reported Precipitation in a Month

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		18		13		10		32		13		3		6		13		---		---		7		7

Most Precipitation Reported in a Day

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		35.6		17		17		10.9		24.9		25.1		20.6		27.2		24.9		24.4		27.7		13.5		35.6

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

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		61		6		5		5		8		4		3		6		7		3		4		4		6

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

Years on Record: 55

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

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		0.7		0.4		0.4		0.4		0.5		0.7		1		1.3		1.3		0.9		0.6		0.4		0.4

Average Number of Rainy Days

Years on Record: 64

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		42		3		3		4		4		3		2		5		4		2		2		2		3

Average Snowfall

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		333.8		45		37.1		38.4		42.4		23.4		5.8		---		---		6.6		32.5		36.8		65.8

Most Snow Reported in a Month

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		134.6		71.1		57.1		63.5		76.2		36.1		21.3		---		---		21.6		94		61		134.6

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		59.3		65.9		64.1		62.6		60.4		55.6		49.1		55.4		62.7		56.7		56.3		60.6		63.6

Heating Degree Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4517.2		635.6		631.1		619.4		441.7		300		96.1		43.3		59.4		142.8		300.6		562.2		685

Cooling Degree Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.2		---		---		---		---		---		---		2.2		---		---		---		---		---

Growing Degree Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		110.2		---		---		---		---		---		---		62		48.2		---		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.3		11.2		12.5		13.7		14.9		15.4		15.1		14.1		12.9		11.6		10.5		10

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		54.6		58		62		61		63.2		58.3		47.3		49.3		54.4		47.4		48.4		51.8		53.7

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		48.3		53		55.9		55.5		56		49.8		39.5		41.4		46.7		42.1		43.8		47		48.6

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		12.5		13.2		13.4		13.1		13.4		13		12.8		11.1		10.3		11.3		13.2		12.6		13

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.3		8.9		12.2		16.3		19.2		22.1		24.6		22.8		20		18.2		13.9		9.7		8.2

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		2.6		3.5		4.9		6.7		7.8		8		8		7.2		5.2		3.7		2.8		2.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		16		17.9		20.1		19.7		20.3		21.4		20.3		19.5		20.7		19.6		16.2		15.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.8		17.5		19.7		21.6		20.6		22.1		25.3		22.6		20.5		23		21.6		18		17.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.3		8.9		12.2		16.3		19.2		22.1		24.6		22.8		20		18.2		13.9		9.7		8.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		3		3.8		5.4		7.3		8.5		8.8		8.5		7.7		5.8		4.6		3.1		2.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.5		18.2		20		24.1		22.9		22.7		23.6		23.3		21.6		23.4		21.8		18.6		17.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.5		20.6		22.6		28.5		26.8		27.5		31		29.9		24.9		27.8		25		21.9		19.9

Minimum 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		7.2		10.9		14.7		16.2		19.1		21.4		20.8		17		16.5		10.4		8.6		7.2

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		2.2		3.1		3.8		5.8		7.1		7		6.9		6.5		4.4		3.3		2.4		2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		11.8		15.2		17.7		16.3		17.5		18.7		18.5		16.4		18.4		13.3		13.7		13.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		11.7		15.8		17.4		14.7		16.4		19.2		18.8		14.8		19		12.2		14.3		13.9