PORT ALEXANDER, ALASKA

Average Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		43		31.1		32.2		---		41.9		48.6		53.8		56.4		55.8		50.6		43.4		35.5		31.6

Average High Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		49.5		36.2		37.9		---		49.8		56.9		61.7		63.5		63.4		57.2		48.9		40.3		36.3

Average Low Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		36.6		26.1		26.4		---		33.9		40.3		45.9		49.2		48.2		43.9		37.9		30.6		26.9

Highest Recorded Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		83		58		66		73		79		83		83		82		74		69		60		58		83

Lowest Recorded Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-8		-4		-1		18		24		34		40		33		24		13		-8		-8		-8

Average Number of Days Below 32F/0C

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		127		27		22.2		21.1		10.8		1.5		---		---		---		0.5		5.7		16.3		22.2

Average Number of Days Below 0F/-17C

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2		0.5		0.1		---		---		---		---		---		---		---		0.2		0.2		1

Average Precipitation

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		111.3		11.7		8		8.8		6.2		5.8		4.8		5.4		6.6		12.8		16.4		13.2		11.7

Average Number of Days With Precipitation

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		237		22		18		21		18		17		17		18		16		21		24		23		22

Most Reported Precipitation in a Month

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		24.6		20.9		15.7		15.6		10.5		13.7		9.2		9.1		16.5		21.2		24.6		22.3		22.9

Least Reported Precipitation in a Month

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		0.1		1.5		0.1		3.1		0.8		1.1		2		3.4		2.3		5		10.2		4.6		1.7

Most Precipitation Reported in a Day

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.2		5.1		3.4		2.9		2.7		5.1		2.3		2.1		3.2		3.4		6.2		5.1		3.8

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

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		184		18		13		16		13		13		12		12		12		17		21		19		18

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

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		78		8		6		6		4		4		3		3		5		9		11		10		9

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

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		3		2		2		1		1		---		1		2		5		6		4		4

Average Snowfall

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		80.3		19.9		16.4		15.6		1.2		---		---		---		---		---		0.7		10.8		15.7

Average Snow Cover

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		2		6		6		2		---		---		---		---		---		---		---		2		5

Most Snow Reported in a Month

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		87.8		61.2		61.5		87.8		10		---		---		---		---		---		5		62.7		36.3

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8176		1111		906		884		688		530		350		281		318		467		696		897		1048

Growing Degree Days

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		508.2		---		---		---		---		117.8		192		179.8		18.6		---		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.1		8.4		10.3		12.6		15.1		17.4		18.8		18		15.8		13.3		10.9		8.8		7.7

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		0.6		1.3		2.5		4.2		5.4		5.7		5.1		4		2.7		1.5		0.7		0.4

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		0.4		0.8		1.4		2		2.6		2.8		2.6		2.2		1.5		0.9		0.5		0.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.2		1.4		2.4		3.6		4.8		4.9		4.9		4.5		4		3.2		2.4		1.6		1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.1		1.2		2		3		4.6		5.3		5.4		4.6		3.7		2.9		2.2		1.4		1

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		0.6		1.3		2.5		4.2		5.4		5.7		5.1		4		2.7		1.5		0.7		0.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.4		0.9		1.5		2		2.6		2.8		2.6		2.2		1.7		1		0.6		0.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.9		1.6		2.8		4.1		5.9		5.5		5.9		5.4		4.7		4.4		2.9		2		1.1

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		1.4		2.4		3.6		5.8		6.4		7.7		6.4		4.9		4.4		2.7		1.8		1.1

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		0.5		0.9		2		3.7		4.5		4.9		4.3		3.3		2.1		1.2		0.6		0.4

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		1.3		2		2.6		2.7		2.6		2.2		1.4		0.8		0.4		0.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.5		1.1		1.6		2.5		4.1		4.1		4.2		3.8		3.2		2.4		1.8		1.1		0.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.1		0.9		1.2		1.9		3.6		3.7		4		3.2		2.3		1.8		1.5		0.9		0.8