FRONTIER, WYOMING

Average Temperature

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		38.8		16.7		19.1		26.6		37.2		47.5		55.4		62.7		60.9		51.7		40.9		27.8		18.7

Average High Temperature

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		53.9		29.1		32.1		39.6		51.3		62.9		72.5		81.4		79.5		69.5		57		40.6		31

Average Low Temperature

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		23.7		4.3		6.1		13.5		23.1		32		38.4		44.2		42.2		34		24.9		14.9		6.5

Highest Recorded Temperature

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		98		55		58		67		77		87		98		96		98		92		84		67		59

Lowest Recorded Temperature

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-39		-33		-39		-21		-9		7		19		26		21		5		-2		-27		-39

Average Number of Days Above 90F/32C

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.5		---		---		---		---		---		0.2		1.7		0.6		---		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		237.9		30.6		27.9		30.6		27.2		16		4.8		0.6		1.6		11.9		27.1		29.2		30.6

Average Number of Days Below 0F/-17C

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		35.2		11.4		8.7		3.2		0.3		---		---		---		---		---		---		2.6		9

Average Precipitation

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		9.4		0.7		0.6		0.6		0.8		1.1		1		0.7		0.8		0.9		0.8		0.7		0.7

Average Number of Days With Precipitation

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65		6		5		5		5		6		6		5		5		5		5		6		6

Most Reported Precipitation in a Month

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.6		1.7		3.1		1.8		2.4		2.9		4.5		3.1		4.1		4.6		2.4		3		3.2

Most Precipitation Reported in a Day

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		1.6		1.2		1.6		0.7		1		1.2		1.3		1.5		1.2		1.5		1.3		1		1

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

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30		2		2		2		3		3		3		2		3		3		2		3		2

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

Years on Record: 109

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

Average Snowfall

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		50.6		9.3		8.2		7		4.1		1.7		0.2		---		---		0.5		1.9		7.9		9.8

Average Snow Cover

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		2		9		8		3		---		---		---		---		---		---		---		1		6

Most Snow Reported in a Month

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		60.6		25		29.8		19		22.1		17.3		6.5		---		---		10.6		16		60.6		46.8

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9767		1510		1289		1160		843		555		299		154		157		408		764		1156		1472

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		119		---		---		---		---		---		17		69		32		1		---		---		---

Growing Degree Days

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		944.6		---		---		---		---		---		162		393.7		337.9		51		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.1		11.1		12.5		13.9		15.1		15.7		15.4		14.3		12.9		11.5		10.3		9.7

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.5		2.2		3.1		4.4		5.4		6.2		7.2		7.2		6.3		5		3.5		2.3		1.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		0.6		0.9		1.3		1.8		2.1		2.1		1.9		1.7		1.3		1		0.7		0.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.4		4.3		4.9		5.8		5.6		5.7		6.2		6.4		6.2		5.8		5.2		4.1		4.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		4.6		5.3		6.2		6.1		6.4		8		8.2		7.5		6.7		5.7		4.4		4.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.5		2.2		3.1		4.4		5.4		6.2		7.2		7.2		6.3		5		3.5		2.3		1.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.7		1		1.4		1.9		2.3		2.4		2.2		1.9		1.6		1.1		0.8		0.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.2		4.9		5.8		6.4		6.1		6.7		7		7.1		7		6.7		6.7		4.9		5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.7		5.4		6.8		7.4		7.1		8.7		10		10.3		9.3		8.3		8		5.4		5.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.9		1.9		2.6		3.8		4.6		5.3		6.1		6.3		5.8		4.3		2.9		1.9		1.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.1		0.6		0.7		1.1		1.6		1.8		1.7		1.5		1.4		1.1		0.7		0.6		0.4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		3.4		3.8		4.7		4.7		4.8		5.3		5.6		5.7		4.9		4.1		3.2		3.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.6		3.5		3.8		4.6		4.5		4.7		5.8		6.3		6.4		5		4.1		3.1		3.1