EMMONAK, ALASKA

Average Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1.8		-13.6		-14.3		---		-6.6		2.6		10.2		12.1		11.1		6.7		-0.9		-7.7		-11.5

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2.3		-9.7		-9.4		-5.2		-0.7		7.3		14		16.4		14.8		10.3		2.4		-4.9		-8.4

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-5.7		-17.6		-18.3		-15.2		-10.3		-1.4		5.1		8.6		7.3		3		-3.6		-11.3		-15.7

Highest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26.7		3.9		7.8		12.2		22.8		23.9		26.7		26.7		19.4		13.9		6.1		4.4		26.7

Lowest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-45.6		-45.6		-40.6		-28.3		-21.7		-6.1		1.1		-2.2		-7.2		-20.6		-33.9		-34.4		-45.6

Average Number of Days Below 32F/0C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		228		29		30		26.7		28.7		19.8		2.3		---		0.8		6.9		24.6		29.1		30.1

Average Number of Days Below 0F/-17C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60.4		14		15.7		7.2		0.4		---		---		---		---		0.2		5.4		12.5		5

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		487		29		24		28		18		26		40		55		78		74		44		38		34

Average Number of Days With Precipitation

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		122		9		6		7		5		8		9		14		15		15		12		12		10

Most Reported Precipitation in a Month

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		143		48		87		131		52		83		101		112		135		143		71		99		81

Least Reported Precipitation in a Month

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		3		---		---		---		3		6		16		41		18		14		2		18

Most Precipitation Reported in a Day

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		50.8		15		38.1		25.4		14.7		50.8		19.3		37.3		25.4		36.1		19.1		29		26.7

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

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		62		4		3		3		2		4		5		7		10		8		5		5		6

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

Years on Record: 18

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

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		1		0.5		0.6		0.5		0.7		1		1.6		2		1.9		1.4		0.9		0.7		0.6

Average Snowfall

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		166.4		26.7		19.3		23.6		8.6		3.6		---		---		---		0.2		12.9		40.6		30.7

Average Snow Cover

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		25		53		63		66		53		10		---		---		---		---		2		17		38

Most Snow Reported in a Month

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		104.1		54.9		65.8		104.1		23.6		15		---		---		---		2.5		23.4		60.2		69.8

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78.8		74.1		77.7		74.9		75.6		77.8		76.3		81		80.8		81.8		81.8		82.9		79.5

Heating Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5373.9		816.1		765.6		712.8		581.7		316.7		94.4		45.6		65.6		182.2		426.1		614.4		752.8

Cooling Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.7		---		---		---		---		---		0.6		1.1		---		---		---		---		---

Growing Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		102.9		---		---		---		---		5.2		63.3		34.4		---		---		---		---		---

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		9.7		12.7		16		19.7		22.3		20.4		16.9		13.6		10.6		7.7		6.2

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		60.2		41.6		52.5		43		60.2		63.3		60.9		73.6		77.9		67.4		69		62.7		51.6

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		54.8		37.5		47.6		37.4		53.4		56.6		54.2		67.4		72		62.2		63.6		58.6		47.8

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		16.4		17.2		19.3		19		18.3		14.8		14.5		14.3		14.4		15.9		15.2		17.4		17

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		0.6		2.7		7.4		13.9		19.7		22.1		17.3		12.5		8.6		3.8		1.1		0.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		0.5		1.8		4.4		7		8.9		10		9.4		7.7		4.9		2.5		0.8		0.2

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		2		5.5		11.9		17.6		18.7		18.9		15.2		12.3		11.3		6.9		3.2		0.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.9		1.7		4.8		10.2		17		23.3		25.7		17		10.9		10.8		6.2		2.9		---

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		0.6		2.7		7.4		13.9		19.7		22.1		17.3		12.5		8.6		3.8		1.1		0.2

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		0.5		2.2		4.9		7.2		9		10.1		9.5		7.9		5.3		2.7		1		0.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.2		2.7		8		15.5		21.6		23.6		21.6		18.8		17.2		14.5		8.1		4.9		1.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		2.4		7.3		14.2		22.5		31.6		32.4		24.9		19.6		15.1		7.5		4.5		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.2		0.5		2		5.5		11.4		15.9		18.9		10.9		9.8		6.5		3.2		0.9		0.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.5		0.4		1.5		3.8		6.9		8.6		9.9		8.5		7.1		4.4		2.2		0.7		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		7.6		1.4		3.6		7.9		13.4		14.6		16.1		9.4		9.3		7.8		5.2		2.4		0.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		1.1		2.8		5.8		11.2		15.3		18.9		5.2		6.2		6.3		4.5		2.1		---