FALLON, MONTANA

Average Temperature

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.6		-10.2		-6.3		-0.8		6.8		13.1		18.3		22.3		21.4		14.6		7.6		-0.7		-7.3

Average High Temperature

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.4		-3.2		0.8		6.5		14.4		20.8		26		31.1		30.7		23.6		16.2		6.6		-0.2

Average Low Temperature

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1.3		-17.2		-13.3		-8		-0.9		5.3		10.6		13.5		12.1		5.5		-0.9		-7.9		-14.4

Highest Recorded Temperature

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		43.9		18.3		22.8		26.1		33.9		38.9		43.3		43.9		43.9		41.1		34.4		26.1		20.6

Lowest Recorded Temperature

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-42.8		-42.8		-40.6		-37.2		-20.6		-10		-1.1		3.3		-2.2		-9.4		-22.8		-35		-41.7

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		4.2		---		---		---		---		---		0.5		2.2		1.3		0.1		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37.1		---		---		---		0.1		1.1		4.4		14.1		13.6		3.6		0.2		---		---

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		79.7		---		---		---		1.2		5.1		12.4		24.5		24.5		10.4		1.7		---		---

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		129.7		---		---		0.8		5.5		14		23.7		29.6		29.6		19.4		6.5		0.7		---

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		178.6		0.1		0.6		4.9		14.5		24		29		30.7		30.8		26.1		14.7		3.2		---

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		225.8		1		4.1		12.9		22.6		29.1		29.9		31		31		28.9		23.6		9.6		1.9

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		276.3		6.9		12		21		27.6		30.8		30		31		31		29.8		28.8		18.3		9.2

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		363.7		31		28		31		30		31		29.9		30.2		30.6		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		342.4		31		28		31		30		30.9		26.4		20.8		23		29.3		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		286.9		31		28		31		29.8		26.2		12.9		4.3		8		23.9		30.8		30		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		230.1		31		28		30.7		25.8		12.6		1.9		0.1		1.1		10.7		27.5		29.7		31

Average Number of Days Below 32F/0C

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		189.2		30.4		27.4		28.8		17.7		4.2		0.1		---		0.1		4		18.3		28		30.2

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		102.1		25.7		19.6		10.9		2.6		0.1		---		---		---		0.1		2.9		14.7		25.4

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		55.2		17.7		10.9		4.1		0.3		---		---		---		---		---		0.3		5.3		16.5

Average Number of Days Below 0F/-17C

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37.6		13.8		8.3		3.6		---		---		---		---		---		---		---		2.4		9.4

Average Precipitation

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		296		7		7		10		28		50		60		40		33		27		20		8		6

Average Number of Days With Precipitation

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60		4		3		4		5		8		9		7		5		5		4		3		3

Most Reported Precipitation in a Month

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		153		32		31		68		98		125		153		150		115		119		117		33		23

Least Reported Precipitation in a Month

Years on Record: 62

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

Most Precipitation Reported in a Day

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		74.4		10.4		13.7		23.4		44.2		74.4		51.3		60.2		61.5		64.8		53.3		18.3		12.7

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		31		1		0.9		1.5		3.2		5.1		5.5		3.7		2.9		2.7		2.4		1.4		0.7

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

Years on Record: 62

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

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

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		---		---		---		---		1		1		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		5.9		---		---		0.2		0.5		1.2		1.1		1		0.7		0.7		0.5		---		---

Average Snowfall

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		35.6		8.6		7.1		7.1		2		0.5		---		---		---		0.2		0.8		2.8		6.3

Average Snow Cover

Years on Record: 50

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

Most Snow Reported in a Month

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		80		80		29.2		27.9		15.2		34.3		---		---		---		17.8		20.8		26.7		31.8

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8074		1499		1197		984		604		321		101		20		34		233		621		1024		1437

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		603		---		---		---		1		16		93		239		212		41		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2381		---		---		5		53		206		445		685		643		289		53		2		---

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		15.7		16.5		16		14.7		13		11.3		9.9		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		13.9		5.2		8.6		12.6		17.5		21.1		22.8		23.9		20.3		14.9		9.8		5.9		4.4

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		4.4		6.2		7.6		8.8		9.4		9.2		8		6.6		4.8		3.4		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		15.4		9		13.2		15.9		18.3		19.4		19.7		21.3		20.2		17.2		13.4		9.9		7.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		7.8		11.7		13.9		18		20.4		21.7		24.2		21.3		16.5		12.7		8.6		7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.9		5.2		8.6		12.6		17.5		21.1		22.8		23.9		20.3		14.9		9.8		5.9		4.4

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		3.4		4.7		6.6		7.7		9		9.6		9.8		8.2		7		5.2		3.7		2.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.5		11.1		14.5		17.9		21.3		21.9		22.4		23.5		22		19.7		15.6		11.2		9.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.2		9.8		13.3		16.8		22.4		24.7		26.6		27.3		23.9		19.6		15.1		10.3		8.6

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		4.1		6.8		10		14.8		15.9		18.6		17.4		17.7		11.1		8.3		4.1		3.2

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		3.7		5.7		7.5		8.8		9.3		9		7.9		6		4.2		2.6		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		11.9		6.7		10.2		12.3		15.2		14.5		16.2		15.4		17.5		12.3		11.1		6.4		5.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.2		5.6		8.6		9.3		12.9		11.4		14.7		13.3		16.9		10.3		10.2		5.1		4.5