AUGUSTA, MONTANA

Average Temperature

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.3		-5.5		-3.4		---		5.7		10.6		14.6		18.4		17.6		12.7		7.7		0.7		-3.5

Average High Temperature

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.1		1.3		3.7		7.2		13.5		18.4		22.5		27.8		27.1		21.5		15.8		7.5		3.1

Average Low Temperature

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1.5		-12.2		-10.4		-7.3		-2.1		2.8		6.7		9.1		8		3.8		-0.3		-6.1		-9.9

Highest Recorded Temperature

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39.4		18.9		22.2		25.6		31.7		34.4		38.9		38.9		39.4		35.6		34.4		26.1		19.4

Lowest Recorded Temperature

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-46.1		-46.1		-44.4		-40		-30		-13.9		-10		-1.1		-8.3		-17.8		-27.2		-39.4		-44.4

Average Number of Days Above 100F/38C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.2		---		---		---		---		---		---		0.1		---		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12.3		---		---		---		---		0.1		1.1		5.8		4.5		0.8		---		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		61.2		---		---		---		0.3		3.3		6.9		20.5		20.7		8.5		1		---		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		117		---		---		0.2		3.6		11.5		19.2		28.9		28.3		18.2		6.6		0.5		---

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		176.8		0.7		1.7		4.2		13		22.6		27.9		30.7		30.6		26.1		15.4		3.5		0.4

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		242.6		6.1		8		15.1		22.2		29		29.9		31		30.9		28.5		25.6		10.9		5.5

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		307.2		18.4		17.6		24.9		27.9		30.7		30		31		31		29.6		29.1		21.5		15.5

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		365		31		28		31		30		31		30		31		31		30		31		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		363.1		31		28		31		30		31		29.9		30.1		30.4		29.8		31		30		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		330.2		31		28		30.8		29.8		29.6		23.8		17.7		21.1		27.3		30.2		29.8		31

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		242.3		29.5		27.2		29.8		26.9		19.3		6.8		0.9		3.9		14.9		25.3		27.6		30.2

Average Number of Days Below 32F/0C

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		182.3		27.5		25		26.7		20.3		8.2		0.9		0.1		0.5		6		16.5		23.7		27

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		78.8		16.9		14.7		11.3		3.5		0.2		---		---		---		0.3		3.7		10.5		17.8

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40.4		10.5		8.3		4.7		0.5		---		---		---		---		---		1.1		5		10.3

Average Number of Days Below 0F/-17C

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.9		9.5		6.8		3.7		0.3		---		---		---		---		---		0.2		3.1		6.4

Average Precipitation

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		353		14		11		19		28		59		72		36		33		34		19		14		14

Average Number of Days With Precipitation

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		70		5		4		5		6		9		10		6		6		6		4		4		5

Most Reported Precipitation in a Month

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		214		53		33		77		107		161		214		140		116		115		106		60		45

Least Reported Precipitation in a Month

Years on Record: 115

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

Most Precipitation Reported in a Day

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		81.5		33		24.4		31.2		80		64		81.5		72.6		56.4		47		48.8		25.6		17.8

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		35.7		1.4		1.8		2.3		3		6		5.4		3.3		3.4		3.4		2.3		1.8		1.6

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

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37		2		2		3		3		6		6		3		3		3		2		2		2

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

Years on Record: 115

		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 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.6		---		---		0.2		0.6		1.6		1.6		0.7		0.7		0.7		0.3		0.1		0.1

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

Years on Record: 115

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

Average Snowfall

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		105.2		17.8		11.9		20.3		11.4		2.8		0.2		---		---		4.1		6.3		14		16.3

Average Snow Cover

Years on Record: 103

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

Most Snow Reported in a Month

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		91.4		63.5		47.5		78.7		53.3		38.1		25.4		2.3		5.1		54.6		91.4		61		71.1

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7552		1180		1012		935		651		413		198		57		79		284		604		936		1204

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		200		---		---		---		---		4		21		91		72		12		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1690		2		1		5		30		128		279		499		459		218		60		8		1

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		15.8		16.6		16.1		14.7		13		11.3		9.9		9.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		5		8.3		12.4		16.7		20.1		22.2		23.7		20.1		15		9.7		5.7		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		8.9		9.4		9.2		8		6.7		4.8		3.2		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		15.1		8.7		12.6		15.3		17.4		18.4		19.3		21.1		20		17.4		13.2		9.4		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		14.8		7.6		11.2		13.4		16.5		18.6		20.9		23.8		21		16.7		12.5		8.2		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		13.6		5		8.3		12.4		16.7		20.1		22.2		23.7		20.1		15		9.7		5.7		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		6.7		7.7		9.1		9.6		10.2		8.5		7.5		5.1		3.5		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		10		14.1		18.4		19.9		21.1		21.8		24.1		22.5		21.5		14.9		10.6		8.7

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		8.9		13		17.4		20.6		23.4		25.7		27.8		24.4		21.6		14.4		9.5		8.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.5		4.3		7.2		10.2		14.8		17.2		18.8		18.2		18.1		12.1		8.6		4.9		3.6

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		2.6		3.9		5.7		7.5		8.8		9.3		9		7.9		6.2		4.4		2.9		2.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.5		7.2		10.8		12.2		15.1		15.7		16.3		16.2		17.9		13.5		11.6		7.7		6.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.1		6.1		9.2		9.7		12.8		13.5		15		14.7		17.6		11.8		10.7		6.6		5.3