UNALAKLEET, ALASKA

Average Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		-16		-15		-13		-5		4		9		12		10		6		-2		-10		-17

Average High Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		-12		-11		-8		-1		8		13		16		14		10		1		-7		-13

Average Low Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-7		-20		-19		-18		-10		---		5		8		7		2		-6		-14		-21

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30.6		8.3		6.7		8.3		16.7		25.6		30		30.6		29.4		23		15		8.9		5

Average Number of Days Below 32F/0C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		235		30		28		31		29		16		1		---		---		9		27		29		31

Average Number of Days Below 0F/-17C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		86		18		16		15		6		---		---		---		---		---		1		8		18

Average Precipitation

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		330		---		10		---		---		10		10		50		100		50		20		---		---

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		1		0.5		0.5		0.5		0.7		1		1.6		2		1.8		1.3		0.8		0.6		0.5

Average Number of Rainy Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28		1		1		1		---		1		2		4		7		3		2		1		1

Average Snowfall

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		84		11		16		10		5		1		---		---		---		3		14		12		9

Average Morning Relative Humidity

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		75		67		71		71		77		76		80		81		82		80		77		74		68

Average Evening Relative Humidity

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72		69		73		70		74		71		74		75		73		69		71		73		69

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-6		-19		-20		-16		-8		---		6		9		8		3		-6		-13		-20

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7663.9		1035		960		931.7		728.3		458.3		285		177.8		207.2		346.7		654.4		858.3		1021.1

Growing Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		94.7		---		---		---		---		---		---		68.9		25.8		---		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.6		6.9		9.6		12.7		16.2		19.9		22.4		20.5		17.2		13.7		10.5		7.5		5.7

Average Number of Clear Days

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83		8		10		10		9		5		5		2		6		4		5		7		11

Average Number of Cloudy Days

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		215		19		15		15		16		17		18		21		19		19		21		18		16

Average Number of Partly Cloudy Days

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		67		4		3		6		5		9		7		8		6		7		5		5		4

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		61.8		49.4		57.7		48.8		57.7		63.7		64.5		72.3		73.2		68.9		65		58.9		60.2

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		58.4		46.2		53		44.1		54.3		59.5		62.7		69.8		71		65.7		61.6		56		56.7

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		18.3		23.1		23.9		19.7		16.1		13.6		13.1		14.6		15.4		16.1		17.7		22		23.3

Highest Reported Hourly Wind Speed

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		114.3		101.4		114.3		96.6		69.2		74		59.5		62.8		70.8		72.4		85.3		99.8		98.2

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.1		0.5		2.5		7.1		13.3		19		21.9		18		12.9		8.6		4		1		0.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.7		0.4		1.7		4.2		6.9		8.9		9.1		9.4		7.8		4.8		2.5		0.7		0.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.4		1.9		5.5		11.7		16.9		18		18.7		15.9		12.9		11.7		7.9		3.3		0.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.3		1.5		4.9		10.1		16.1		22.4		28.1		19		12.1		11.4		6.9		3.1		---

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.1		0.5		2.5		7.1		13.3		19		21.9		18		12.9		8.6		4		1		0.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		0.4		1.9		4.7		7		8.9		9.2		9.5		7.9		5.2		2.9		0.9		0.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.8		2.5		7.1		15.4		20.1		21.5		22.1		19.3		16.9		14.1		9.9		4.5		0.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		2.1		6.4		14.3		20.6		28.3		36.6		26.8		19.2		14.7		8.8		4.3		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.5		0.4		2.1		6.1		11.5		15.9		19.5		12.8		10.5		6.7		3.3		0.9		0.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.5		0.3		1.5		4		6.8		8.8		8.9		8.9		7.4		4.4		2.2		0.6		0.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.2		1.3		4.4		9.5		14		14.6		16.6		11.1		10		8.2		6		2.6		0.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		1.2		3.7		7.6		11.8		15.8		23.1		8.6		7.3		7		5.2		2.3		---