POPLAR, MONTANA

Average Temperature

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		42		9		14		27		44		56		64		71		69		57		45		28		15

Average High Temperature

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55.7		20.9		26		39.9		58.6		70.5		78.7		87.1		85.5		73.5		60.5		40.6		26.8

Average Low Temperature

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		28.6		-1.7		2.6		15.1		30.5		41.8		51		56		53		42.3		31.3		17.2		4.4

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		96.2		36.3		42.8		55.9		70.7		81.2		95		93.8		96.2		83.4		67.2		53.9		39.8

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-16.7		-16.7		-8.7		8.9		27		39.5		46.3		51.2		48.6		39		27.6		4.9		-10.6

Average Number of Days Above 90F/32C

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32		---		---		---		0.2		1.5		4.2		12.5		11		2.5		0.1		---		---

Average Number of Days Below 32F/0C

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		188.9		30.8		27.9		29.2		17.5		4.4		0.2		---		0.1		3.4		16.7		27.9		30.8

Average Number of Days Below 0F/-17C

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		48		15.9		12.4		5.2		0.1		---		---		---		---		---		0.1		3.2		11.2

Average Precipitation

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		13.1		0.4		0.3		0.6		0.9		1.9		3.1		2		1.4		1.1		0.6		0.4		0.4

Average Number of Days With Precipitation

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		61		4		3		4		5		7		9		7		6		5		4		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
in		8.1		1.2		0.9		1.2		2.4		6		8.1		6.3		4.4		4.2		2.3		0.8		1.4

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		0.1		0.2		0.4		0.1		0.1		0.1		---		---		---

Most Precipitation Reported in a Day

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.3		1.1		0.7		1.5		1.9		3		4.3		3		2.5		2.2		1.4		1.9		0.7

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

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		1		1		2		2		5		6		4		3		3		2		1		1

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

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		---		---		---		---		1		2		1		1		1		---		---		---

Avg. No. of Days w/Precip. Above 1in/25mm

Years on Record: 99

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

Average Snowfall

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		27		5.4		4.3		5.9		1.7		0.5		---		---		---		0.1		1		3.3		4.8

Average Snow Cover

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		1		5		5		3		---		---		---		---		---		---		---		1		2

Most Snow Reported in a Month

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		35		21.7		20		35		12		15		2		---		---		2		11.9		12.4		22

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8407		1665		1261		1022		585		264		89		32		56		231		572		1106		1524

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		662		---		---		---		3		32		129		230		222		46		---		---		---

Growing Degree Days

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2056		---		---		---		---		186		420		651		589		210		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.5		10.8		12.5		14.3		15.9		16.7		16.2		14.8		13		11.3		9.8		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		3.8		1.3		2.3		3.5		4.9		5.8		6.2		6.5		5.5		4		2.6		1.6		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		2.6		2.6		2.2		1.8		1.3		0.9		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		5.2		5.3		5.3		5.8		5.5		4.7		3.6		2.7		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		4.2		2.1		3.1		3.9		5.1		5.6		5.8		6.6		5.7		4.5		3.4		2.3		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		3.8		1.3		2.3		3.5		4.9		5.8		6.2		6.5		5.5		4		2.6		1.6		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		0.9		1.3		1.8		2.1		2.5		2.7		2.7		2.3		2		1.4		1		0.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.8		2.7		3.9		5.1		5.9		6		6		6.5		5.9		5.6		4.1		3		2.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		2.5		3.5		4.7		6.2		6.8		7.1		7.5		6.4		5.6		3.9		2.8		2.3

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		1.9		2.9		4.1		4.8		5.1		5		4.7		3		2.3		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		0.7		1		1.6		2.1		2.5		2.6		2.5		2.2		1.7		1.2		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		3.4		1.8		2.9		3.6		4.3		4.4		4.5		4.4		4.6		3.4		3.2		2		1.6

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		1.6		2.4		2.8		3.7		3.8		4		4		4.2		2.8		2.9		1.6		1.4