OPHEIM, MONTANA

Average Temperature

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		38.4		7.2		11		22.5		39.3		51.1		58.9		67.7		65.1		54.1		41.9		25.7		16.2

Average High Temperature

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		49.7		16.6		20.4		32.1		50.9		63.6		70.8		81.7		79		67.1		53.2		35.3		25.3

Average Low Temperature

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		27.1		-2.3		1.5		12.9		27.7		38.6		47		53.8		51.1		41.1		30.2		16.1		7

Highest Recorded Temperature

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		102		48		64		64		93		94		99		102		98		98		84		67		62

Lowest Recorded Temperature

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-41		-38		-41		-25		-16		18		29		35		22		9		-13		-18		-36

Average Number of Days Above 90F/32C

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12.9		---		---		---		0.1		0.3		1.3		6.2		4.6		0.4		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		199.5		30.8		27.7		30.2		20.9		7.1		0.6		---		0.2		5.1		17.4		28.8		30.6

Average Number of Days Below 0F/-17C

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		48.8		16.1		12.9		5.4		0.6		---		---		---		---		---		0.1		4.2		9.4

Average Precipitation

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		11.8		0.4		0.3		0.5		0.7		1.5		2.9		1.8		1.7		1.1		0.5		0.2		0.4

Average Number of Days With Precipitation

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		66		5		4		5		4		8		10		7		7		5		4		3		4

Most Reported Precipitation in a Month

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7.3		1.3		0.9		1.6		2.2		3.3		7.3		5.7		6.2		2.3		1.8		0.6		1.3

Least Reported Precipitation in a Month

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		---		---		0.1		---		0.1		0.4		0.4		0.1		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		2.7		0.7		0.7		0.6		1.2		1.8		2.7		1.9		1.5		1.1		1		0.3		0.7

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

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33		1		1		2		2		4		7		5		4		3		2		1		1

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

Years on Record: 29

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

Average Number of Rainy Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28.3		1		1		1.2		2		3.6		5.8		3.4		4.3		2.2		1.5		1.2		1.1

Average Snowfall

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		32.4		5.8		4.8		5.7		2.9		1.2		0.5		---		---		0.6		2.5		3.4		5

Most Snow Reported in a Month

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		23.3		16.5		23.3		18.5		12.5		9		12		---		---		4.5		9.5		10		15.3

Heating Degree Days

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7078		1482		1243		1007		476		185		44		1		9		130		418		879		1204

Cooling Degree Days

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		280		---		---		---		---		10		30		132		91		16		1		---		---

Growing Degree Days

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1440.9		---		---		---		---		34.1		267		548.7		468.1		123		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.4		10.8		12.5		14.3		16		16.8		16.3		14.9		13.1		11.3		9.7		8.9

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		1.3		2.2		3.4		4.9		5.7		6		6.4		5.2		3.9		2.5		1.5		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		2.6		2.2		1.8		1.3		0.9		0.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		2.2		3.5		4.4		5.1		5.3		5.2		5.7		5.2		4.6		3.5		2.6		2

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		2		3		3.8		5.1		5.5		5.5		6.4		5.4		4.3		3.3		2.2		1.8

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		1.3		2.2		3.4		4.9		5.7		6		6.4		5.2		3.9		2.5		1.5		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		1.8		0.8		1.2		1.8		2.1		2.5		2.7		2.7		2.3		1.9		1.3		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		4.7		2.7		3.8		5.1		5.8		5.8		5.9		6.4		5.9		5.4		3.8		3		2.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.8		2.5		3.3		4.6		6.2		6.5		7		7.6		6.5		5.4		3.6		2.7		2.2

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		1.1		1.8		2.7		4.1		4.9		5.1		5.1		4.6		3		2.3		1.3		0.8

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		0.7		1		1.6		2.1		2.5		2.6		2.5		2.2		1.6		1.2		0.8		0.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		1.9		2.8		3.5		4.2		4.5		4.4		4.6		4.5		3.4		3.1		2.2		1.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3		1.6		2.4		2.6		3.7		4		3.9		4.2		4.1		2.9		2.9		1.9		1.2