CASSA, WYOMING

Average Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9		-1		-1		2		8		13		18		22		21		16		9		4		---

Average High Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17		4		5		9		16		21		27		31		31		25		18		11		6

Average Low Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1		-7		-7		-5		---		5		10		13		12		7		1		-3		-6

Highest Recorded Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		42		20		23		28		32		35		41		41		42		38		33		30		24

Lowest Recorded Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-37		-33		-37		-31		-25		-7		-2		-1		2		-11		-22		-27		-37

Average Number of Days Above 90F/32C

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.6		---		---		---		---		0.4		3.7		13.9		11.9		1.8		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		197.6		28.2		26		27.3		20.2		9		1		0.1		0.2		7.8		21.9		26.8		29.1

Average Number of Days Below 0F/-17C

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26.8		9.7		3.9		2.5		0.4		---		---		---		---		---		0.1		2.2		8

Average Precipitation

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		340		10		10		20		40		60		40		30		20		20		20		10		10

Average Number of Days With Precipitation

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		68		5		4		5		8		8		9		7		5		5		4		4		4

Most Reported Precipitation in a Month

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		205		20		20		74		106		165		205		83		54		170		47		27		19

Least Reported Precipitation in a Month

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		1		2		1		11		6		14		10		4		---		1		---		1

Most Precipitation Reported in a Day

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		67.1		6.6		9.4		22.6		46.7		57.9		66.5		41.4		22.6		67.1		27.9		16		6.3

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

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		35		2		2		2		5		5		5		3		3		3		2		2		1

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

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		---		---		---		1		1		2		1		1		1		---		---		---

Avg. No. of Days w/Precip. Above 1in/25mm

Years on Record: 15

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

Average Number of Rainy Days

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33		1		1		2		4		5		3		3		2		2		2		1		1

Average Snowfall

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		102.4		16.8		18		19.3		17.5		1		---		---		---		1.8		8.9		7.1		11.9

Most Snow Reported in a Month

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		90.7		50.8		48.8		90.7		45.7		10.2		---		---		---		15.2		40.6		29.2		38.1

Average Relative Humidity

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		51		52		60		55		51		55		47		45		45		43		48		53		57

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1		-11		-8		-7		-2		3		5		8		7		2		-1		-6		-8

Heating Degree Days

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2604.4		536.7		406.7		346.1		198.3		66.1		8.9		0.6		0.6		44.4		161.7		341.1		493.3

Cooling Degree Days

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		190.6		---		---		---		---		1.7		21.7		97.8		63.3		6.1		---		---		---

Growing Degree Days

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1277.2		---		---		---		---		103.3		250		378.9		361.7		183.3		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.1		11.1		12.5		13.9		15.1		15.8		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
Mj/m2		15.3		7		9.9		14		17.9		21.9		24.4		23.9		21.1		17.1		12.2		7.8		6.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.1		2.5		3.5		5		6.7		7.7		8		7.6		6.6		5.1		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		17.6		13		14.8		17.4		18.5		20.1		21.2		21.2		20.8		20		17.8		13.5		12.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		13.6		15.6		17.8		19.1		22.5		25.7		25.6		23.8		22.1		19.1		14.5		13.1

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		7		9.9		14		17.9		21.9		24.4		23.9		21.1		17.1		12.2		7.8		6.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		2.6		3.8		5.4		7.1		8.5		8.6		8.1		7		5.7		4		2.9		2.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.3		16.6		18.2		20.5		22.7		21.9		23.3		22.5		22.4		22.1		19.7		16.6		17.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.1		18.6		21.1		22.9		27		26.3		31		28.7		27.1		25.9		22		19		19.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.2		5.9		8.2		12.2		14		16.9		22.4		22.1		20		15		10.8		6.4		5.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.6		2.1		3		4.4		5.6		7.2		7.1		7.1		6.1		4.5		3.4		2.4		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		14.7		10		11.6		14.6		14.1		15.5		19.5		19.7		19.7		17.1		15.1		10.6		9.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.6		9.8		10.9		13.5		11.6		13.4		21.6		21.9		21.5		17.2		15.2		10		9