LOUISVILLE, COLORADO

Average Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.2		-2.6		-0.8		2.4		7.9		12.7		18.6		22.2		21.4		16.9		10.6		3.1		-1.5

Average High Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.4		5		6.9		10.4		16.3		20.7		27.2		30.9		29.9		25.8		19.3		11.1		5.9

Average Low Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1		-10.1		-8.5		-5.7		-0.4		4.6		10		13.6		12.9		7.9		1.7		-5		-8.9

Highest Recorded Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		40.6		25.6		23.9		30.6		31.1		32.8		40.6		40		39.4		36.7		33.3		26.7		24.4

Lowest Recorded Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-34.4		-31.1		-34.4		-27.2		-19.4		-10.6		-1.1		2.2		1.7		-7.8		-18.3		-23.3		-29.4

Average Number of Days Above 90F/32C

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32.6		---		---		---		---		0.1		6.1		13.5		10.2		2.6		0.1		---		---

Average Number of Days Below 32F/0C

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		174.6		30.5		27		27.6		15.8		4.6		0.2		---		---		1.6		10.7		26.6		30

Average Number of Days Below 0F/-17C

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10.6		4.5		2.5		0.9		0.1		---		---		---		---		---		---		0.5		2.2

Average Precipitation

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		405		7		11		20		43		67		56		63		57		33		23		14		12

Average Number of Days With Precipitation

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60		2		3		4		6		9		7		8		8		4		3		3		3

Most Reported Precipitation in a Month

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		226		28		43		83		104		226		180		158		177		141		96		81		137

Least Reported Precipitation in a Month

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		---		20		6		5		15		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		129.5		16.5		18.5		42.2		46.2		82.8		129.5		72.4		58.9		86.4		77.5		52.1		81.3

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

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		39		1		2		2		4		6		5		6		5		3		2		2		1

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

Years on Record: 52

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

Average Snowfall

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		79		8.6		11.9		15.2		12.4		3.6		---		---		---		1.3		3.6		11.9		10.4

Average Snow Cover

Years on Record: 52

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

Most Snow Reported in a Month

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		61		27.9		49.5		47.8		61		45.7		3.8		---		---		31.8		35		45.7		57.9

Heating Degree Days

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2255.6		475		384.4		323.3		156.7		59.4		5.6		---		---		16.1		98.9		292.8		443.3

Cooling Degree Days

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		312.8		---		---		---		---		4.4		52.8		125		101.7		28.3		0.6		---		---

Growing Degree Days

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1297		---		---		---		---		84.4		256.7		378.9		353.1		206.7		17.2		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.2		11.2		12.5		13.8		14.9		15.5		15.2		14.2		12.9		11.6		10.4		9.9

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.1		8		11.4		15.7		19.4		22.4		24.1		23.7		20.9		17.7		13.3		9.1		7.4

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		6.6		7.7		8.1		7.7		6.8		5.2		3.7		2.7		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		18.5		14.4		16.7		19.4		20		20.5		20.9		21.1		20.4		20.3		18.9		15.4		14.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.6		15.4		18.3		20.8		21.4		22.9		24.6		24.7		22.6		22.5		20.7		17.2		15.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.1		8		11.4		15.7		19.4		22.4		24.1		23.7		20.9		17.7		13.3		9.1		7.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		2.8		4		5.4		7.1		8.5		8.9		8.3		7.3		5.8		4.2		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		21.2		16.7		20.5		23.3		22.8		22.8		24.5		22.7		22.2		22.7		21		18.1		17

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		18.9		24.6		27.4		26.8		28		33.8		28.6		26.2		26.7		23.8		21.3		19.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.9		7		9.4		13.5		17.2		16.7		20.9		21.7		19		15.6		11.9		7.7		6.2

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		2.3		2.7		3.9		5.8		7		6.5		7.1		6.3		4.5		3.4		2.3		1.9

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		11.9		13.1		16.1		17.5		15.3		18.2		19.3		18.6		17.5		16.2		12.2		11.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		11.8		12.6		15.5		16.8		12.8		18.4		20.7		18.9		17.6		16.6		12.3		11