CLIFTON, WYOMING

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.9		-5.7		-3		1.9		7.3		12.8		18.6		22.6		21.5		15.4		8.6		0.2		-4.8

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.9		0.4		3.4		8.4		14.2		19.9		26.3		30.6		29.4		23		15.8		5.9		1.1

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1		-11.8		-9.4		-4.7		0.3		5.8		10.9		14.5		13.6		7.8		1.4		-5.7		-10.8

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33.4		5.3		8.8		12.7		18.2		24.2		29.7		33.1		33.4		28.3		18.5		14.5		5.3

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-20.4		-20.4		-14.6		-8.8		-2.3		3.1		7.6		11.3		10.7		4.8		-1.3		-14.2		-19.4

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		407		11		15		20		41		65		62		53		46		30		34		18		15

Average Number of Days With Precipitation

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55		4		3		5		6		8		8		4		5		3		3		3		3

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		161		31		40		48		82		152		161		158		105		107		105		42		40

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		1		---		2		---		12		11		10		4		1		2		6		---

Most Precipitation Reported in a Day

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		53.3		15.2		8.1		9.4		25.4		53.3		32.8		32		32		20.6		20.6		15.2		8.4

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		32		1		1		2		3		5		6		3		4		3		2		1		1

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		6		---		---		---		---		2		2		1		1		---		---		---		---

Average Snowfall

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		22.4		4.8		2.5		3.6		1		---		---		---		---		---		1.5		4.1		4.8

Most Snow Reported in a Month

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		25.4		15.8		10.4		11.4		2.5		---		---		0.8		---		---		7.6		16.5		25.4

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4125.6		745		598.3		510.6		332.2		176.1		52.8		8.3		19.4		116.1		302.8		546.1		717.8

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		350.6		---		---		---		---		5.6		60.6		138.9		116.7		28.9		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1255.1		---		---		---		---		87.8		258.3		389.2		356.5		163.3		---		---		---

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		11.5		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		14.6		6.3		9.3		13.1		17.3		21.2		23.4		23.7		20.8		16.2		11.1		7		5.5

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		3.2		4.9		6.6		7.8		8.2		7.6		6.5		5		3.6		2.5		1.9

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		12.9		14.8		16.7		18.1		19.4		20.3		21.1		20.7		19.2		16.4		12.9		11.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.7		13.4		15.6		16.9		18.7		21.6		24		25.7		24.1		21.1		17.4		13.6		12.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.6		6.3		9.3		13.1		17.3		21.2		23.4		23.7		20.8		16.2		11.1		7		5.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.4		3.5		5.2		7		8.4		8.9		8.5		6.8		5.7		3.9		2.7		2.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.8		15.8		17.9		19.4		22		21.6		23.4		24.1		23		21.7		19.3		15.7		14.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.9		17.2		19.6		21.4		26		26.2		32		33.2		28.7		25.5		21.6		17.6		17.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.3		5.3		6.9		11		14.6		16.6		20.4		20.1		19.7		13.3		9.8		5.5		4.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.4		2		2.9		4.4		5.7		7.2		7		6.3		5.8		4.5		3.2		2.2		1.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		9.8		9.9		13.3		14.9		15.2		17.8		17.9		19.6		15.1		13.9		9.4		7.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.3		9.5		8.6		11.9		13.4		13.3		18.2		18.6		21.7		14.5		13.7		8.7		7.8