FLAT, ALASKA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.7		-9.8		-8.1		-3.8		1.7		7.7		11.9		13.9		12.9		8.2		0.3		-6.4		-8.8

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.1		-5.8		-3.7		1.3		6.7		12.7		16.8		18.4		17.7		12.6		4.2		-2.7		-5.1

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2.8		-13.7		-12.4		-9		-3.3		2.6		7		9.4		8.2		3.8		-3.6		-10.2		-12.6

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21.1		3.2		3.1		5.8		9.9		15.3		19.5		21.1		20.1		15		7.2		2.7		0.9

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-22.6		-22.5		-21		-16		-10.3		0.9		5.4		8.3		6.4		-1.5		-9.4		-17.1		-22.6

Average Number of Days Above 90F/32C

Years on Record: 13

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

Average Number of Days Below 32F/0C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		229		28		30.5		28.1		27.4		13.8		2		0.3		1.1		11.4		26.8		29.2		30.6

Average Number of Days Below 0F/-17C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		88.5		22.5		17		5.1		0.1		---		---		---		---		2.6		10.8		23.4		7

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		386		14		19		14		3		16		35		48		53		65		47		32		39

Average Number of Days With Precipitation

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		99		5		6		5		4		5		8		13		17		14		8		7		7

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		141		33		57		73		9		32		94		106		141		138		92		117		88

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		2		---		---		3		6		5		14		20		16		2		---

Most Precipitation Reported in a Day

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		69.3		10.2		14.7		12.7		10.2		11.4		69.3		21.6		33		23.6		20.3		17.5		8.6

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		50		2		3		2		1		2		5		7		12		8		3		3		2

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

Years on Record: 13

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

Average Snowfall

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		115.8		20.1		25.1		12.2		6.9		0.5		---		---		---		0.8		6.3		22.4		21.6

Average Snow Cover

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		22		48		63		73		55		12		---		---		---		---		---		10		25

Most Snow Reported in a Month

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		61		48.3		61		29.2		17.8		5.1		---		---		---		7.6		17.8		59.7		40.6

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6075		871.1		738.9		688.9		499.4		332.2		192.8		136.7		167.2		303.9		558.9		743.9		841.1

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		271.9		---		---		---		---		---		58.3		122.3		91.3		---		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.6		7.2		9.8		12.7		15.9		19.5		22.1		20.3		16.8		13.6		10.6		7.8		6.3

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.2		0.9		3.1		8.2		14.6		18.3		20.2		17.4		12.8		9		4.5		1.4		0.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5		0.6		2		4.6		7.1		8.9		10		9.4		7.8		5		2.8		1		0.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.7		2.9		6.7		13.2		18.1		17.1		17.2		15.3		12.7		11.7		8.4		4.3		1.3

Average 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		2.6		5.7		11.6		18.1		19.9		21.1		16.8		11.3		11.2		7.4		3.6		0.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.2		0.9		3.1		8.2		14.6		18.3		20.2		17.4		12.8		9		4.5		1.4		0.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		0.7		2.4		5.2		7.3		9		10		9.5		8		5.5		3.2		1.1		0.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.1		3.2		8.8		16.6		22		20.7		20.8		17.9		14.9		15.4		10.6		5.2		1.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.5		2.9		7.8		15.3		22.7		27.4		29.4		22.3		15.1		16		9.4		4.5		1.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.7		0.8		2.7		6.9		12.3		14.4		18.1		14		11.1		6.7		3.3		1.3		0.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		0.6		1.9		4.3		7		8.8		9.9		9.1		7.6		4.5		2.3		0.9		0.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.5		2.6		5.6		10.4		13.6		13.1		15.5		12.2		10.7		7.8		5.2		3.7		1.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.4		2.3		4.6		8.5		12.7		12		17		10.2		8		6.2		4.5		3.1		0.1