CANTWELL, ALASKA

Average Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		25		2		7		10		23		38		49		52		48		40		24		10		3

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		23		---		---		---		---		6.5		54.9		65.2		61.7		51.4		31.9		3.5		---

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		13.6		---		---		---		---		3.9		31.7		39.9		37.5		30.2		17.7		1.5		---

Highest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		81		44		45		45		57		76		80		81		77		75		53		45		42

Lowest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-45		-38		-45		-34		-30		-14		25		32		20		6		-10		-29		-37

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		247.9		31		28		31		29.7		20.3		1.3		---		1.6		13.7		30.3		30		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		81.8		19.6		16.4		12.2		2.3		---		---		---		---		---		2		10.7		18.6

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		10.3		---		---		---		---		0.1		1		2.1		2.8		2.1		2		0.1		---

Average Number of Days With Precipitation

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		95		7		---		---		---		---		12		15		13		11		17		11		9

Most Reported Precipitation in a Month

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7.5		0.7		---		---		---		---		4.5		4.9		7.5		5.8		3.1		1.4		1

Least Reported Precipitation in a Month

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		0.7		---		---		---		---		0.5		0.9		0.8		0.6		1.8		1.4		1

Most Precipitation Reported in a Day

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		1.9		0.3		---		---		---		0.5		0.9		1.3		1.9		1.1		0.9		0.7		0.4

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

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		---		4		---		---		---		---		7		9		8		7		8		2		3

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

Years on Record: 20

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

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

Years on Record: 20

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

Average Number of Rainy Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		43.4		2.9		3.2		2.9		1.4		2.5		4.3		5.9		6.1		5.1		3.2		2.6		3.3

Average Snowfall

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		9.2		---		---		---		---		---		---		---		---		15.2		19.1		15.3

Most Snow Reported in a Month

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		19.1		9.2		---		---		---		---		0.1		---		---		---		15.2		19.1		15.3

Average Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		75		74		73		72		71		70		70		77		81		82		80		78		74

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		18		-5		-3		3		16		29		39		44		43		34		18		6		-3

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7215.4		---		---		---		---		1853.8		651		386		477.4		726		1246.2		1875		---

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1977.1		170.5		296.6		573.5		735		---		---		---		---		---		---		---		201.5

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4220		635.5		720.4		1038.5		1080		---		---		79.1		---		---		---		---		666.5

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		9.7		12.7		16.1		19.9		22.4		20.5		17.1		13.7		10.5		7.6		6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.5		0.2		0.8		2.1		3.9		5		5.6		4.9		3.7		2.5		1.2		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		1.2		1.9		2.5		2.8		2.6		2.2		1.4		0.8		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		0.8		1.8		3.5		5		4.7		4.8		4.3		3.7		3.3		2.4		1.1		0.3

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		0.7		1.6		3		4.8		5.5		6		4.8		3.5		3.2		2.1		1.1		---

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.5		0.2		0.8		2.1		3.9		5		5.6		4.9		3.7		2.5		1.2		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		1.4		0.2		0.6		1.3		2		2.5		2.8		2.6		2.2		1.5		0.8		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		3.5		1		2.2		4		5.6		5.4		5.3		5.1		5.1		3.9		2.8		1.4		0.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		0.9		2		3.7		5.8		7		7.3		6.5		6		4		2.5		1.2		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.1		0.2		0.7		1.8		3.2		4.1		4.8		4.2		3.2		1.9		0.9		0.3		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		1.3		0.1		0.5		1.2		1.9		2.4		2.8		2.6		2.1		1.3		0.6		0.2		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		2.4		0.7		1.4		2.8		4		3.7		4		3.6		3.1		2.4		1.6		0.9		0.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		0.6		1.2		2.3		3.3		3.5		4.3		3.4		2.5		2		1.3		0.9		---