BALLANTINE, MONTANA

Average Temperature

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.2		-5.9		-2.9		1.8		8.1		13.6		18.3		22.7		21.3		15.2		9.1		1.3		-3.9

Average High Temperature

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.4		1		4.3		9.3		16.4		21.9		26.7		32.3		31.1		24.6		17.9		8.5		2.8

Average Low Temperature

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.1		-12.7		-10.2		-5.7		-0.3		5.3		9.9		13.1		11.5		5.9		0.3		-5.8		-10.7

Highest Recorded Temperature

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		43.3		20.6		25		30		34.4		40		41.7		43.3		42.2		40		33.9		25		21.1

Lowest Recorded Temperature

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-45.6		-40.6		-45.6		-37.2		-23.3		-11.1		-1.1		2.8		1.7		-7.2		-25		-35		-42.2

Average Number of Days Above 100F/38C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.1		---		---		---		---		---		0.6		1.4		1		0.1		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		43.1		---		---		---		0.1		1.5		5.3		17.8		14.5		3.8		0.1		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		81.3		---		---		0.1		1.7		5.3		12.3		25.7		24.7		10.2		1.4		---		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		135		---		0.1		1.5		6.4		14.8		23.8		30.2		30.2		19.7		7.5		0.9		---

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		185.1		0.1		1.8		6.3		14.9		23.8		28.9		30.8		30.9		26.1		16.8		4.4		0.2

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		239.6		2.2		7.4		16.5		23		29.3		30		31		31		28.7		25.2		12.2		3.1

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		294.8		11		16.2		24.1		28.1		30.9		30		31		31		29.7		29.5		20.8		12.4

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		364.8		31		28		31		30		31		29.9		30.8		31		30		31		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		350.7		31		28		31		30		30.8		27.4		23.5		27		29.9		31		30		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		285.7		31		28		31		29.9		26.7		12.8		3		6.8		24.8		30.8		30		31

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		224		31		27.9		30.7		25		11.2		1.3		0.1		0.1		8.5		27.5		29.7		31

Average Number of Days Below 32F/0C

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		177.6		29.9		27		27.5		16.1		3.5		0.1		---		---		2.8		14.6		26.4		29.7

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		85.4		23.2		15.5		8.3		1.6		---		---		---		---		0.1		2		12		22.8

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		41		13.2		7.7		3.1		0.2		---		---		---		---		---		0.1		4.5		12.2

Average Number of Days Below 0F/-17C

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.8		8.9		5.4		2		0.1		---		---		---		---		---		0.1		1.5		5.8

Average Precipitation

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		323		13		11		20		34		52		59		24		24		33		24		16		13

Average Number of Days With Precipitation

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		75		5		5		6		7		9		10		6		5		6		6		5		5

Most Reported Precipitation in a Month

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		191		43		58		57		106		164		191		67		88		152		87		63		47

Least Reported Precipitation in a Month

Years on Record: 92

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

Most Precipitation Reported in a Day

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		80		19.8		33		35.6		37.6		54.4		80		32.3		39.4		73.2		43.7		33		14.7

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		36.4		1.6		1.9		2.8		3.7		6.1		5		3.1		2.4		3.5		2.5		2.2		1.6

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

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37		2		2		3		4		5		5		3		3		3		3		2		2

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

Years on Record: 92

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

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.6		0.1		0.1		0.6		0.8		1.2		1.1		0.3		0.3		0.5		0.4		0.2		---

Average Snowfall

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		90.2		18.3		16.8		17.3		6.3		0.5		0.2		---		---		0.5		3		9.7		17.5

Average Snow Cover

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2		7		7		5		---		---		---		---		---		---		---		2		7

Most Snow Reported in a Month

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		85.1		61		50		70.1		26.7		8.9		8.9		---		0.2		16.5		39.1		47.8		85.1

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7374		1339		1049		888		571		306		97		16		24		222		580		957		1325

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		561		---		---		---		1		18		88		226		194		33		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2404		---		---		9		64		222		443		676		635		290		59		5		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.7		10.9		12.5		14.1		15.6		16.3		15.9		14.6		13		11.4		10		9.3

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		5.3		8.7		12.7		17.4		21.1		23.5		24.1		21.1		15.4		10.2		6.3		4.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		3.1		4.4		6.3		7		8.8		9.3		9.1		8		6.7		4.9		3.5		2.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		9.1		12.9		15.6		18.2		19.4		20.4		21.5		21		17.8		13.9		10.1		7.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		7.8		11.6		13.8		18.6		20.2		22.9		24.4		22.5		17.1		13.1		9		7.2

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		5.3		8.7		12.7		17.4		21.1		23.5		24.1		21.1		15.4		10.2		6.3		4.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.5		3.5		4.9		6.7		7.4		9		9.6		9.8		8.2		7.2		5.3		3.8		3.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		10.8		15		18.1		21.8		22.5		22.9		23.8		22.1		20.7		15.8		11.7		9.2

Maximum 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		9.8		14.4		17		23.5		25.4		27.2		27.5		24		20.7		15.1		10.7		8.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.8		4.6		7.1		10.6		14.6		16.3		19.7		19.3		19.3		12.6		9		4.9		3.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		2.8		3.8		5.8		6.6		8.7		9.2		8.9		7.9		6.2		4.5		3		2.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.8		7.7		10.5		13		15.1		14.9		17.1		17.1		19.1		14.2		12.1		7.5		6.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.6		6.3		8.9		10		14.3		12		16.4		16.4		19.6		12.6		11.1		6.4		5.2