DOUGLAS, ALASKA

Average Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		42.8		26.2		31.1		---		40.9		48.5		55.1		58.3		56.9		51.8		43.6		36.5		30.6

Average High Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48.7		30.5		35.6		---		47.8		56.3		63.7		65.8		63.9		57.9		48.5		40.1		34.7

Average Low Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		36.9		21.8		26.6		---		34.2		40.8		47		50.8		49.9		45.7		38.7		32.4		26.5

Highest Recorded Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		87		60		52		72		80		84		86		87		76		73		60		52		87

Lowest Recorded Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-9		-9		-4		12		30		37		41		38		31		25		-4		-9		-9

Average Number of Days Below 32F/0C

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		118		26		24.4		20.4		9.2		1.1		---		---		---		0.2		4.2		12.1		20.4

Average Number of Days Below 0F/-17C

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.7		1.2		0.4		---		---		---		---		---		---		---		0.1		0.6		2.4

Average Precipitation

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		92.3		6.2		7.1		6.1		6.3		6.3		4		6.2		7.8		10.4		13.1		9.7		9.1

Average Number of Days With Precipitation

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		222		16		18		17		18		19		16		17		18		20		23		20		20

Most Reported Precipitation in a Month

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		19.7		12.8		16.2		9.8		10.1		11.2		8.9		12.3		18.7		17.5		19.7		17.6		14.8

Least Reported Precipitation in a Month

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		0.9		0.9		1.6		1.4		3.6		2.5		1.6		2.7		1.7		5.5		5.4		4		3.4

Most Precipitation Reported in a Day

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.4		3.8		2.6		2.5		2		2.3		2		2.7		3.4		4.4		4.4		3.4		4.2

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

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		170		12		14		13		13		13		12		12		14		16		19		17		15

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

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65		4		5		4		4		5		2		4		5		8		10		7		7

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

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20		1		2		1		1		1		---		1		2		3		4		2		2

Average Snowfall

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		74.4		21.9		15.2		21.9		2.3		---		---		---		---		---		---		2.9		10.2

Average Snow Cover

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		2		11		7		7		---		---		---		---		---		---		---		---		2

Most Snow Reported in a Month

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		56.2		56.2		49.9		31.4		12.7		---		---		---		---		---		---		15		34.7

Heating Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4728		894		674		650		423		211		60		18		25		109		354		554		756

Cooling Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		---		---		---		---		---		2		6		2		---		---		---		---

Growing Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		676.8		---		---		---		---		158.1		249		213.9		55.8		---		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.2		8.1		10.2		12.6		15.3		17.8		19.4		18.5		16		13.4		10.8		8.6		7.4

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.6		0.4		1.1		2.2		3.7		5		5.3		4.9		3.9		2.5		1.4		0.6		0.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.3		0.7		1.3		2		2.6		2.8		2.6		2.2		1.5		0.9		0.4		0.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		1		2		3.2		4.2		4.5		4.5		4.3		3.9		3.1		2.3		1.4		0.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.7		0.8		1.7		2.5		3.8		4.6		4.8		4.3		3.5		2.8		2		1.2		0.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.6		0.4		1.1		2.2		3.7		5		5.3		4.9		3.9		2.5		1.4		0.6		0.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.3		0.8		1.4		2		2.6		2.8		2.6		2.2		1.6		1		0.5		0.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		1.3		2.6		3.8		5		5		5.3		4.8		4.6		3.9		2.8		1.8		0.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		1.1		2.3		3.2		5		5.5		6.4		5.3		4.7		3.9		2.6		1.5		0.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.2		0.3		0.8		1.6		3.3		4.3		4.8		4.3		3.3		1.9		1.1		0.4		0.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.3		0.6		1.2		2		2.6		2.7		2.6		2.2		1.3		0.7		0.3		0.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.3		0.7		1.3		2		3.6		3.8		4.1		3.8		3.2		2.1		1.6		0.7		0.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.9		0.5		1		1.3		2.9		3.2		3.9		3.3		2.4		1.6		1.3		0.5		0.5