WILLOW LAKE, ALASKA

Average Temperature

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		27.9		-5.8		4.6		15.5		43.5		---		53.4		57.4		54.9		44.6		28		7.6		-2.8

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		39.1		6.7		15.4		28.4		43.3		55.6		66.7		71.1		67.5		55.2		36.4		14.5		7.4

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		16.3		-13.9		-7.6		2.3		20		30.5		39.4		43.9		42		33.5		19.8		-3.3		-11.4

Highest Recorded Temperature

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		90		44		43		48		77		---		90		86		89		79		53		57		44

Lowest Recorded Temperature

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-58		-58		-42		-41		6		---		13		27		23		4		-19		-35		-48

Average Number of Days Above 90F/32C

Years on Record: 9

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

Average Number of Days Below 32F/0C

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		230.6		29.4		26.8		29		18.6		---		1.7		0.5		2.7		11		26		27.9		29.8

Average Number of Days Below 0F/-17C

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		94.3		22.4		16.5		13.4		---		---		---		---		---		---		2.2		17.2		22.5

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		9.9		0.4		0.5		0.2		0.2		0.7		1.6		2		1.6		0.8		0.6		0.7		0.7

Average Number of Days With Precipitation

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		56		3		3		1		1		4		7		9		8		7		5		4		4

Most Reported Precipitation in a Month

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.5		0.7		1.4		0.9		1		0.9		4.5		4.3		3.3		1.8		1.2		3.2		1.9

Least Reported Precipitation in a Month

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		---		---		---		---		---		0.5		0.4		0.4		0.1		---		---		---

Most Precipitation Reported in a Day

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		1.1		0.4		0.8		0.7		1		0.6		1.1		1.1		1		0.5		0.5		0.9		0.8

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

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32		1		2		---		---		2		5		6		5		4		2		3		2

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

Years on Record: 9

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

Average Snowfall

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		34.7		3.8		4.8		4.4		1.5		0.1		---		---		---		1.4		3.1		6.8		8.8

Most Snow Reported in a Month

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		18.4		9.3		15		14.1		6		0.3		---		---		---		10		13.8		11.2		18.4

Heating Degree Days

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9999.9		1884		1424		1225		631		358		84		25		65		316		837		1421		1793

Cooling Degree Days

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		---		---		---		---		---		2		4		2		---		---		---		---

Growing Degree Days

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1059.9		---		---		---		---		576.6		102		229.4		151.9		---		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.5		7.4		9.8		12.7		15.8		19.1		22		20.2		16.7		13.6		10.6		8		6.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		0.3		1		2.5		4.3		5.6		6		5.3		4.2		2.7		1.4		0.4		0.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.2		0.6		1.3		2		2.5		2.8		2.6		2.2		1.4		0.9		0.3		0.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		0.9		2.1		4		5.6		5.4		5.1		4.7		4.3		3.6		2.7		1.3		0.5

Average 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		0.8		1.9		3.6		5.6		6.7		6.6		5.7		4.4		3.6		2.4		1.1		0.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		0.3		1		2.5		4.3		5.6		6		5.3		4.2		2.7		1.4		0.4		0.1

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		0.2		0.7		1.4		2		2.5		2.8		2.6		2.2		1.6		0.9		0.3		0.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1		2.5		4.6		6		5.8		5.7		5.5		5.2		4.5		3.2		1.6		0.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		1		2.2		4.2		6.2		7.6		7.9		7.3		6.1		4.7		2.8		1.4		0.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.4		0.2		0.8		2.2		3.7		4.8		5.1		4.6		3.9		2.1		1.1		0.4		0.1

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		0.2		0.6		1.3		1.9		2.5		2.8		2.6		2.2		1.3		0.7		0.3		0.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		0.7		1.8		3.5		4.7		4.5		4.4		4		3.9		2.6		2		1		0.4

Minimum 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		0.6		1.5		3		4.3		4.9		4.8		4.2		3.7		2.2		1.7		0.9		0.3