BIRCH CREEK COLONY, MONTANA

Average Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.9		-10.3		-2.8		-0.7		3.7		8.4		13.8		17		16.6		11.4		6.3		0.1		-4.6

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.2		-0.3		3.3		5.6		10.4		15.3		20.6		24.8		24.2		18.9		13.5		5.9		2.7

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2.3		-15.2		-10.4		-7.9		-2.7		2.3		6.1		8.5		8.1		3.7		-1.3		-7		-11.9

Highest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38.9		16.7		20		18.9		25		28.9		37.8		37.8		38.9		32.8		27.8		25.6		18.3

Lowest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-42.8		-42.2		-31.7		-32.2		-17.2		-10		-2.2		-0.6		-1.7		-6.7		-19.4		-29.4		-42.8

Average Number of Days Above 90F/32C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.5		---		---		---		---		---		0.5		2		2.8		0.1		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		187.1		28.1		24.6		26.1		22.5		8.6		1.1		0.2		0.3		6.8		17.3		23.9		27.6

Average Number of Days Below 0F/-17C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33.3		15.2		5.4		2.6		---		---		---		---		---		---		0.2		2.7		7.2

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		312		13		7		9		18		50		63		49		46		30		10		7		9

Average Number of Days With Precipitation

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		63		6		3		5		5		7		8		7		6		5		3		3		5

Most Reported Precipitation in a Month

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		179		35		20		23		90		179		169		158		86		73		18		17		20

Least Reported Precipitation in a Month

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		1		1		1		2		12		16		4		1		6		---		---		---

Most Precipitation Reported in a Day

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		75.4		15.2		8.9		7.6		34.5		75.4		70.9		46.2		30.2		32.3		10.2		10.9		7.6

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

Years on Record: 19

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

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

Years on Record: 19

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

Average Snowfall

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		37.6		---		10.7		10.2		2		0.5		0.5		---		---		3.6		1		0.5		8.6

Most Snow Reported in a Month

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		40.6		---		40.6		14		2.5		2.5		5.1		---		---		20.3		7.6		1.3		24.9

Heating Degree Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3260.6		715.6		441.1		417.2		275		143.3		37.8		7.8		10.6		80.6		211.7		380.6		539.4

Cooling Degree Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		64.4		---		---		---		---		---		9.4		26.7		24.4		3.9		---		---		---

Growing Degree Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		576.8		---		---		---		---		---		113.3		217		203.2		43.3		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.5		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
Mj/m2		13.2		4.8		8.1		12.4		16.8		19.6		20.8		23.3		19.9		14.4		9.1		5.4		4.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.1		2.8		4.2		6.2		7.6		8.9		9.5		9.3		8.1		6.5		4.6		3.1		2.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		8.3		12.5		15.7		17.6		18		18.1		20.8		19.9		16.7		12.5		9.3		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		14.4		7.6		11		13.8		17		18		18.6		23.3		20.9		15.9		11.8		8		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		13.2		4.8		8.1		12.4		16.8		19.6		20.8		23.3		19.9		14.4		9.1		5.4		4.1

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		4.5		6.8		7.7		9.1		9.7		10.2		8.6		7.5		5		3.6		2.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.3		9.8		13.5		18.9		19.9		20.6		21.1		24		22.6		21.8		14.8		11.6		9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		9.1		12.4		18		20.6		22.8		24.6		27.8		24.7		22		14.2		10.2		8.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		4.4		7.1		10.9		15.1		16.6		18		18.2		17.6		11		7.5		4.8		3.3

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		3.8		5.8		7.5		8.8		9.4		9.1		7.9		5.9		4		2.9		2.1

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		7.4		10.7		13.5		15.5		15.1		15.6		16.2		17.5		12.3		10		7.8		5.8

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		6.5		9.2		11.3		13.5		12.6		13.7		14.8		16.9		10.3		9		6.7		5