ROSS, WYOMING

Average Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.3		-6		-4.1		-1.3		4.8		10.2		15.1		19.8		19.2		13.4		7.7		-0.4		-2.8

Average High Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.3		0.8		2.8		6		12.3		17.9		23.7		29.7		29		23.1		16.3		6.7		3.6

Average Low Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1.7		-12.7		-10.9		-8.6		-2.6		2.4		6.5		9.9		9.3		3.8		-1		-7.4		-9.4

Highest Recorded Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38.9		15.6		18.9		23.3		27.8		32.2		37.2		38.9		38.3		35		28.9		21.7		18.3

Lowest Recorded Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-40		-40		-35		-37.8		-21.1		-11.7		-3.9		-0.6		-2.8		-13.9		-19.4		-32.2		-36.1

Average Number of Days Above 90F/32C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.4		---		---		---		---		0.1		2.4		10.8		7.7		1.4		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		202.9		30.3		27.4		29.2		22		9.5		1.5		0.1		0.3		7.4		20.5		26.1		28.3

Average Number of Days Below 0F/-17C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.7		7.7		4.8		3.2		0.1		---		---		---		---		---		0.1		3.4		4.3

Average Precipitation

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		308		13		13		20		36		55		45		33		18		23		21		16		13

Average Number of Days With Precipitation

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		81		6		5		7		9		10		9		7		5		6		6		6		5

Most Reported Precipitation in a Month

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		143		41		30		36		67		141		108		143		62		54		70		37		35

Least Reported Precipitation in a Month

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		7		8		6		8		5		---		2		3		---		1

Most Precipitation Reported in a Day

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		75.2		21.6		15.2		18.3		35		75.2		34.5		43.2		36.1		22.4		26.9		16.3		16.5

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

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		35		2		2		3		4		5		4		3		2		3		3		2		2

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

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4		---		---		---		1		1		1		1		---		---		---		---		---

Average Snowfall

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		155.2		25.1		19.1		27.4		24.6		7.4		---		---		---		1.3		8.1		22.6		19.6

Most Snow Reported in a Month

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		101.6		101.6		43.2		63.5		67.3		40.6		---		---		---		15.2		25.9		52.3		58.4

Heating Degree Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2955		582.2		474.4		435.6		239.4		102.2		23.3		1.1		1.7		45.6		168.3		396.1		485

Cooling Degree Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		147.8		---		---		---		---		0.6		15		70		53.9		7.8		0.6		---		---

Growing Degree Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		850.8		---		---		---		---		5.2		153.3		304.8		284.2		103.3		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.9		11.1		12.5		14		15.3		16		15.6		14.4		12.9		11.5		10.2		9.6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		6.8		10		14		17.9		22.1		24.6		24.4		21.7		17.1		11.8		7.5		5.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		2.3		3.3		4.9		6.5		7.6		7.9		7.4		6.3		4.9		3.6		2.6		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		17.9		13.4		15.6		17.7		18.6		20.3		21.3		21.7		21.6		20.3		17.6		13.5		12.6

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		14.2		16.7		18.4		19.6		23.3		26.3		26.9		25.6		22.8		19		14.4		13.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		6.8		10		14		17.9		22.1		24.6		24.4		21.7		17.1		11.8		7.5		5.9

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		2.5		3.6		5.2		7.1		8.4		8.7		7.9		6.7		5.6		3.9		2.8		2.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.7		16.4		19.3		20.8		23.5		22.9		23.9		23.3		22.5		22.5		19.8		17		16.1

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		18.4		22.8		23.5		28.8		29		33		30.9		27.5		26.8		22.2		19.4		18

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.4		5.9		8.5		12.5		14.4		17.9		21.6		22.8		20.5		14.9		10.7		6.3		4.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.3		2		2.7		4.2		5.3		6.8		6.7		6.7		6		4.3		3.3		2.2		1.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.1		10.9		12.6		15.4		14.7		16.4		18.8		20.3		20.3		17.1		15.4		10.7		8.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		10.7		12.3		14.8		12.7		15.2		20.2		23.5		22.9		17.5		15.7		10.2		7.8