DE BORGIA, MONTANA

Average Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		46		25		29		37		46		54		60		68		66		58		47		35		28

Average High Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		59.7		33.4		39.4		48.6		60.1		69.2		76.2		87.3		86.3		75.2		61.1		43.7		35.5

Average Low Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		33.5		17.8		20.5		26.2		32.7		38.9		44.9		49.4		47.6		41		34.2		26.8		21.7

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		97		45.3		51.1		56.7		69		81.2		97		94.7		96.1		85		66.9		57.5		44.5

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-17.4		-17.4		-8.8		8		25.2		37.8		48.7		51		47.9		37.2		23.8		5.8		-13.4

Average Number of Days Above 90F/32C

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33.4		---		---		---		---		0.6		2.8		13.8		12.7		3.5		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		166.6		28.7		25.7		25.3		15.1		5.4		0.5		---		0.1		3.6		12.4		22.4		27.3

Average Number of Days Below 0F/-17C

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		3.6		2		0.2		---		---		---		---		---		---		---		0.2		1.8

Average Precipitation

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		20.2		2.1		1.6		1.8		1.5		1.8		1.9		0.9		0.8		1.3		1.8		2.3		2.5

Average Number of Days With Precipitation

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		120		13		11		12		10		10		11		5		5		8		10		12		13

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		5.4		1.3		0.8		1.5		3.9		4.6		5		5.4		4.5		4.7		4.6		1.8		0.8

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		---		---		---		---		0.1		0.3		---		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		3		1.6		1.1		1.1		1.1		1.2		1.5		1.1		1.2		1.5		2.5		1.6		3

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

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59		7		5		6		5		5		5		2		2		3		5		7		7

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

Years on Record: 46

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

Average Snowfall

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		39.4		12.4		7.5		4.7		0.4		0.1		0.1		---		---		0.1		0.8		3.9		9.4

Average Snow Cover

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		1		5		4		1		---		---		---		---		---		---		---		---		2

Most Snow Reported in a Month

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		49		49		25		21.5		6.7		2		2		---		---		2.5		10		21		33.5

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7979		1545		1176		979		585		280		89		17		49		224		579		1037		1419

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		724		---		---		---		---		21		137		261		254		51		---		---		---

Growing Degree Days

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1718		---		---		---		---		124		300		558		496		240		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.6		10.9		12.5		14.2		15.8		16.6		16.1		14.7		13		11.3		9.8		9.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		1.4		2.3		3.5		4.7		5.4		5.9		6.6		5.7		4.1		2.5		1.4		1.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		0.8		1.2		1.7		2.1		2.5		2.7		2.7		2.3		1.8		1.3		0.8		0.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		2.3		3.6		4.5		5		5		5.1		5.9		5.7		4.8		3.5		2.4		2.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		2.1		3.1		4		4.8		5		5.3		6.6		6.1		4.6		3.3		2.1		1.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		1.4		2.3		3.5		4.7		5.4		5.9		6.6		5.7		4.1		2.5		1.4		1.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.9		0.9		1.2		1.9		2.1		2.5		2.7		3.3		2.5		2.1		1.5		0.9		0.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		2.6		3.8		5.3		5.4		5.8		5.9		7.1		6.5		6.2		4.5		2.9		2.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5		2.4		3.4		5		5.6		6.4		6.9		7.8		7		6.2		4.5		2.5		2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.1		1.3		1.9		3.1		4.3		4.7		5.1		4.5		4.7		2.9		1.9		1.2		0.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.8		1.1		1.6		2.1		2.5		2.6		2.5		2.2		1.6		1		0.8		0.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		2.1		2.9		3.8		4.5		4.3		4.4		4		4.7		3.2		2.4		2		1.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		1.9		2.5		3.2		4.1		3.7		4		3.2		4.4		2.6		2.1		1.7		1.4