COHAGEN - WEST, MONTANA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.3		-7.9		-4		1.4		7.6		13.2		18.3		21.6		21.3		14.8		8.2		-0.5		-6.2

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.8		-0.8		3.4		9.3		16.3		22		27.3		31.4		31.3		24.6		17.1		6.7		0.9

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1.2		-15.1		-11.4		-6.6		-1.3		4.3		9.4		11.8		11.2		4.9		-0.7		-7.8		-13.3

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		36.1		8		11		15.2		21.7		26.7		35.6		34.7		36.1		29.6		21		13.5		8.4

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-25.7		-25.7		-21.3		-10.9		-5		1.5		7		8.6		8.3		2.1		-3.9		-16.8		-24.1

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		28.8		---		---		---		---		0.5		1.7		15.7		9		2		---		---		---

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		187.3		29.5		25.7		28.5		20		4.5		---		---		---		6.2		15.2		28.7		29

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		41.8		11.5		9.3		7		---		---		---		---		---		---		---		4.3		9.7

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		310		11		7		12		26		53		53		42		27		34		23		11		11

Average Number of Days With Precipitation

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53		4		4		3		7		6		7		6		3		4		2		3		4

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		197		47		25		28		78		145		177		197		102		120		83		28		37

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		3		17		5		2		5		2		1		---		---

Most Precipitation Reported in a Day

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		56.4		5.8		5.8		25.4		19.3		38.9		56.4		25.4		37.6		19.3		23.6		10.9		4.3

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		29		1		1		1		3		4		5		5		2		3		1		2		1

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		6		---		---		---		1		1		1		2		1		---		---		---		---

Average Snowfall

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		48.3		12.9		7.9		9.7		6.9		---		---		---		---		---		1		5.3		4.6

Most Snow Reported in a Month

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		25.4		21.6		15.2		25.4		13.5		---		---		---		---		---		5.1		19.1		12.7

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4338.3		815		626.1		526.1		324.4		169.4		60		17.2		28.9		130		314.4		566.1		760.6

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		329.4		---		---		---		---		8.9		60		118.9		118.9		22.8		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1201		---		---		---		---		98.2		250		359.9		349.6		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		9.6		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		13.8		5		8.3		12.5		17.4		20.9		22.8		23.8		20.5		14.9		9.7		5.9		4.3

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		4.3		6.2		7.6		8.8		9.4		9.2		8		6.6		4.8		3.4		2.6

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		8.7		12.6		15.6		18.2		19.3		19.7		21.2		20.5		17.3		13.3		9.8		7.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.2		7.5		11.2		13.7		17.8		20.2		21.8		24.1		21.7		16.6		12.6		8.6		6.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.8		5		8.3		12.5		17.4		20.9		22.8		23.8		20.5		14.9		9.7		5.9		4.3

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		3.2		4.6		6.6		7.7		9		9.6		9.8		8.8		7.2		5.2		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		17.5		10		14.3		17.9		20.9		22.2		22.2		23.5		23.1		20.4		15.1		11		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		18.1		8.9		13.1		16.8		22		25.2		26.4		27.3		25		20.4		14.6		10		8.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.3		4.2		6.8		10.9		14.4		15.7		18.8		18.3		19.1		11.2		8.6		4.6		3.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		2.6		3.7		5.9		7.5		8.8		9.3		9		7.9		6		4.4		2.8		2.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.3		6.9		10.1		13.3		14.7		14.3		16.3		16.2		19		12.5		11.5		7.2		5.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.8		5.8		8.5		10.9		12.2		11.1		15		14.8		19.5		10.4		10.7		6.1		5.1