MOUNTAIN VIEW, MONTANA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.2		-2.6		-0.3		2.8		7.1		11.8		16.3		20.3		20.1		14.8		8.9		1.8		-2.2

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.1		1.8		4.4		7.9		12.8		17.9		23.2		28		27.9		22.1		15.1		6.1		2

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2.3		-7		-5.1		-2.3		1.2		5.6		9.4		12.6		12.3		7.4		2.8		-2.5		-6.3

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		32		6.7		9.7		13		18.9		21.9		27.6		31.1		32		27		18.7		13.8		7.7

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-15.9		-15.9		-13.5		-5.9		-2.9		3.6		6.8		9.1		10.1		5.3		0.5		-9.5		-13.2

Average Number of Days Above 90F/32C

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.3		---		---		---		---		---		1.2		4.6		2.2		0.3		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		146.9		25.4		22.6		23.7		17.2		2.3		---		---		---		3		10.1		19.7		23

Average Number of Days Below 0F/-17C

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.8		4.2		3.2		1.7		---		---		---		---		---		---		---		1.2		1.4

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		446		14		12		30		45		81		71		40		40		42		37		18		14

Average Number of Days With Precipitation

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		122		6		7		11		13		16		13		12		11		10		8		9		6

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		184		40		45		73		85		184		152		116		86		106		116		53		45

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		2		6		11		26		6		---		6		2		---		5		---

Most Precipitation Reported in a Day

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		64.8		11.4		14.2		18		58.7		64.8		59.2		28.7		19.3		30		29.7		24.9		27.2

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

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		54		2		2		4		6		8		6		6		5		5		4		4		2

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

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		---		---		---		1		2		1		1		1		1		1		---		---

Average Snowfall

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		263.9		28.2		26.4		49		57.9		3		---		---		---		10.4		25.1		37.6		26.2

Most Snow Reported in a Month

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		146.1		57.1		87.6		94		146.1		10.2		---		---		---		22.9		94		67.3		105.4

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3902.8		649.4		523.9		480.6		338.9		205.6		88.3		30		32.2		131.1		290.6		496.1		636.1

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		229.4		---		---		---		---		1.7		27.2		90.6		86.7		23.3		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1020.4		---		---		---		---		55.1		190		318.6		313.4		143.3		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.8		11		12.5		14.1		15.5		16.2		15.8		14.5		13		11.4		10		9.4

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.2		5.9		9.2		13.3		17.1		20.3		22.6		23.6		20.6		15.7		10.5		6.6		5.1

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		3.1		4.7		6.5		7.9		8.4		7.5		6.4		5		3.6		2.4		1.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		12.3		15.2		17.3		17.9		18.7		19.6		21		20.6		18.8		15.8		12.7		10.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.4		12.6		16		17.9		18.5		20.3		22.8		25.9		24.1		20.7		16.7		13.2		11.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.2		5.9		9.2		13.3		17.1		20.3		22.6		23.6		20.6		15.7		10.5		6.6		5.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.2		3.4		5.1		6.8		8.3		9		8.5		6.8		5.6		3.8		2.6		1.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.7		14.5		18.8		20.6		22.1		22.1		22.1		23.5		22.4		21.9		19.3		15.7		13.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.8		15.5		21.9		23.4		26.5		27.8		28.9		32.1		27.8		25.9		21.6		17.6		16.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.2		5.4		7.4		10.7		15		17.2		18.5		19.9		19.5		13		9.3		5.5		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		4.4		2		2.5		4.1		5.5		7		7.6		6.5		5.9		4.3		3.1		2.1		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		13.9		10.7		11.3		13.3		15.4		15.7		16.1		17.7		19.4		14.8		13.4		9.6		8.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		10.6		10.6		11.7		14.4		14.4		15.2		18.5		21.5		14.3		13.1		9.4		9.4