COUGHLIN, MONTANA

Average Temperature

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3		-8		-6		-2		4		8		12		16		15		10		5		-1		-7

Average High Temperature

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12		-2		---		4		12		17		21		27		27		21		14		4		-1

Average Low Temperature

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-4		-14		-13		-8		-3		---		3		5		4		---		-3		-7		-12

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		34.2		6.8		9.7		14.1		20.6		24.2		33.9		33.6		34.2		28.6		17.9		13.8		6.7

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-19.7		-19.7		-15.6		-7.7		-2.7		3.6		7.8		10.1		9.8		4.6		-0.8		-13		-19.1

Average Number of Days Above 90F/32C

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.5		---		---		---		---		---		1		5.4		4.8		0.3		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		236.2		30.3		27.8		29.4		24.7		15.5		5		1.9		4.1		15.4		24.2		28		29.9

Average Number of Days Below 0F/-17C

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33.6		11.4		8.3		3.7		0.1		---		---		---		---		---		0.1		2.5		7.6

Average Precipitation

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		430		40		30		20		20		40		50		20		20		30		30		30		40

Average Number of Days With Precipitation

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		107		11		9		9		8		10		12		6		6		7		8		10		11

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		250		59		49		73		142		250		149		106		58		146		144		62		57

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1		7		2		5		9		15		19		6		8		7		5		5		1

Most Precipitation Reported in a Day

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		127.2		50.8		36.6		127.2		27.9		59.2		44.5		33.8		38.1		36.8		47		38.1		45.7

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

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		54		6		5		4		3		5		6		3		3		4		4		5		6

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

Years on Record: 78

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

Average Snowfall

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		199.4		51		36.1		23.9		8.4		1.5		---		---		---		1		6.9		26.2		44.5

Average Snow Cover

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		5		17		20		12		---		---		---		---		---		---		---		2		10

Most Snow Reported in a Month

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		208.3		208.3		158.8		88.4		44.5		17.8		4.1		0.5		---		15.2		50.8		118.1		132.1

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4024.4		736.1		568.9		485.6		311.1		167.8		63.3		17.2		22.8		113.9		298.9		540		698.9

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		347.8		---		---		---		---		6.7		54.4		129.4		124.4		32.8		---		---		---

Growing Degree Days

Years on Record: 78

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		427.8		---		---		---		---		---		66.7		189.4		155		16.7		---		---		---

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		15.7		16.5		16.1		14.7		13		11.3		9.9		9.2

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		5.3		8.5		12.9		16.9		19.5		21.6		24.2		20.7		15.2		9.5		5.8		4.5

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		7.6		8.9		9.4		9.4		8.1		6.7		4.7		3.3		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		15.3		9.2		13		16.1		17.6		17.9		18.8		21.5		20.6		17.6		13		9.6		8.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.9		8.1		11.6		14.3		16.8		17.6		19.9		24.3		21.8		17		12.3		8.3		7.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		5.3		8.5		12.9		16.9		19.5		21.6		24.2		20.7		15.2		9.5		5.8		4.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.7		3.3		4.7		6.7		7.7		9.1		9.6		11		9.3		7.7		5.3		3.6		2.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.7		10.5		14.4		18.5		20		20.4		21.5		25		23.8		22.3		15.9		11.1		9.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.2		9.5		13.5		17.5		20.7		22.4		25.1		28.1		25.4		22.5		15.6		9.6		8.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.5		4.8		7.4		11.4		15.6		16.7		18.7		17.9		17.8		11.8		7.8		4.6		3.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		2.8		4		6		7.5		8.8		9.3		9		7.9		6.1		4.1		2.8		2.4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.6		8.1		11		13.9		16		15.3		16.2		15.9		17.5		13.2		10.4		7.3		6.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		7.1		9.6		11.9		14.3		12.8		14.8		14.2		16.9		11.4		9.5		6.1		6