PHILIPSBURG, MONTANA

Average Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.1		-5.9		-3.9		-0.6		4.6		8.6		12.3		16.8		15.9		11.2		6.2		0.4		-4.1

Average High Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.6		-0.6		1.8		5.7		12		16.4		20.7		26.9		26.2		20.3		14.1		6.5		1.1

Average Low Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2.4		-11.2		-9.7		-6.8		-2.8		0.7		3.9		6.6		5.6		1.9		-1.7		-5.8		-9.2

Highest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		36.7		14.4		16.7		22.2		31.7		33.3		35		36.7		36.7		35.6		30.6		25.6		17.8

Lowest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-40		-37.2		-40		-32.2		-24.4		-11.7		-5.6		-2.2		-6.1		-18.3		-24.4		-32.8		-38.9

Average Number of Days Above 90F/32C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.8		---		---		---		---		0.1		0.4		3.1		1.9		0.3		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		215.1		29.8		26.8		28.3		23.7		14.2		3.7		0.5		1.4		9.9		21.4		26.6		28.8

Average Number of Days Below 0F/-17C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18.9		6.8		4		2.1		0.1		---		---		---		---		---		0.2		1.4		4.3

Average Precipitation

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		381		21		19		26		30		54		72		34		26		36		26		20		17

Average Number of Days With Precipitation

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83		6		5		7		7		9		12		7		6		6		6		6		6

Most Reported Precipitation in a Month

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		181		62		45		60		80		181		158		92		71		90		91		68		54

Least Reported Precipitation in a Month

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		1		---		3		---		3		6		---		---		---		---		---		2

Most Precipitation Reported in a Day

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		78.7		27.9		23.6		24.6		44.5		78.7		54.6		26.7		41.9		37.3		43.2		25.6		20.6

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

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		48		3		3		4		4		6		8		4		3		4		3		3		3

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

Years on Record: 53

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

Average Snowfall

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		171.2		24.4		25.4		28.4		20.6		15.2		4.1		---		0.5		3		10.4		19.8		19.3

Average Snow Cover

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2		7		7		2		---		---		---		---		---		---		---		2		5

Most Snow Reported in a Month

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		99.1		63.5		72.4		73.7		85.1		99.1		71.1		0.5		25.4		20.3		52.1		74.9		80

Heating Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3093.3		580		472.2		414.4		246.7		138.9		53.3		5		8.9		75		205.6		372.2		521.1

Cooling Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28.9		---		---		---		---		---		2.8		16.1		9.4		0.6		---		---		---

Growing Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		497.7		---		---		---		---		---		70		210.1		182.6		35		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.7		10.9		12.5		14.2		15.6		16.4		16		14.6		13		11.4		10		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		14.3		5.8		9.2		13.7		17.6		20		22.3		24.6		21.2		16		10.3		6.3		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		6.3		3.3		4.6		6.4		7		8.9		9.3		9.4		8.2		6.8		4.9		3.5		2.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16		10.2		13.9		17.1		18.5		18.4		19.4		21.9		21.1		18.5		14		10.4		8.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		8.8		12.5		15.4		19		18.4		20.9		24.7		22.4		18		13.3		9.1		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		14.3		5.8		9.2		13.7		17.6		20		22.3		24.6		21.2		16		10.3		6.3		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		6.8		3.4		4.9		7		7.3		9		9.5		11		9.3		7.7		5.5		3.8		3.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.5		11		15		20		21.4		21.5		22.1		25.1		23.9		22.4		17.9		11.9		9.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19		9.6		14.2		18.5		22.9		24		26		28.1		25.4		22.5		17.6		10.4		8.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.2		5.3		8.3		12.5		15.8		17.9		18.9		18.9		18.8		12.5		8.8		5.1		4.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		3.1		4.2		6.2		6.8		8.7		9.2		8.9		7.9		6.2		4.4		3		2.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		9.2		12.3		15.5		16.5		16.3		16.4		16.8		18.5		14		11.7		7.9		7.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.4		7.9		10.8		13.3		16.2		14.6		15.1		15.8		18.6		12.4		10.8		6.7		7