CHUGIAK, ALASKA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		35.6		15.2		18.6		25.2		36.3		47.2		54.2		57.4		55.1		46.6		33.1		19.7		17.1

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		43.6		22		26.3		34.5		46.3		57.5		63.4		65		62.9		54.4		40.6		26		23.6

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		27.5		8.3		10.9		15.8		26.3		36.9		45.1		49.8		47.3		38.8		25.7		13.4		10.6

Highest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		83		48		51		63		77		81		83		80		71		68		54		53		83

Lowest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-35		-35		-32		-5		23		35		42		33		17		-2		-21		-22		-35

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.4		---		---		---		---		---		0.2		0.2		0.1		---		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16.7		---		---		---		---		1.5		5.6		6.6		3		---		---		---		---

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		81.1		---		---		---		0.1		10.1		20.4		23.7		21.9		4.6		0.1		---		---

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		157.1		---		0.1		0.2		9.9		27.7		29.8		30.9		30.9		23.3		4		0.2		0.2

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		216		3.2		3.2		9.3		25.2		30.8		30		31		31		29.1		17.6		2.7		2.9

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		365		31		28		31		30		31		30		31		31		30		31		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		365		31		28		31		30		31		30		31		31		30		31		30		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		337.7		31		28		31		30		30.9		26.2		16.1		22.7		29.9		31		30		31

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		256.7		31		28		31		29.9		23.8		3.2		---		1.1		17.5		30.1		30		31

Average Number of Days Below 32F/0C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		207.6		30.7		27.6		30.4		25.8		4.7		---		---		---		4.7		23.8		29		30.9

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		120.8		24.2		20.5		19.3		3.8		---		---		---		---		0.3		6.7		21.7		24.2

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		63.9		15.8		11.4		8.2		1.3		---		---		---		---		---		1.7		11.2		14.3

Average Number of Days Below 0F/-17C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25.4		8.4		5.4		2		0.3		---		---		---		---		---		0.1		3.3		5.9

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		13.8		0.6		0.6		0.4		0.3		0.7		1.3		2.1		2.2		2.1		1.6		1.1		0.9

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		5		5		4		3		7		8		11		14		13		9		7		9

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.8		1.9		1.9		0.9		1		2		3		4.4		4.8		4.5		3.3		3.6		2.7

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		---		---		---		---		0.1		0.3		0.5		0.6		0.7		0.3		---		---

Most Precipitation Reported in a Day

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		2.2		0.6		0.9		0.8		0.4		0.8		0.9		2.2		1.7		1		1.3		0.7		1.1

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		46		2		2		1		1		3		4		6		7		7		6		3		4

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		4		---		---		---		---		---		---		1		1		1		1		---		---

Average Snowfall

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		60.1		9.3		9.6		6.3		1.7		0.4		---		---		---		---		7.3		11.8		13.7

Average Snow Cover

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		7		15		18		20		8		---		---		---		---		---		2		6		11

Most Snow Reported in a Month

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		37.7		25		37.7		20.2		5.2		6.2		---		---		---		---		23.9		31.4		27.2

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10744		1545		1299		1235		861		552		323		237		307		552		987		1359		1485

Cooling Degree Days

Years on Record: 30

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

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		584		---		---		---		---		28		139		230		163		22		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.5		7.5		9.9		12.7		15.7		19		22		20.2		16.6		13.6		10.7		8		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		2.7		0.3		1		2.3		4		5.2		5.7		5		3.9		2.6		1.4		0.5		0.2

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		3.1		0.9		2.1		3.7		4.9		4.9		4.9		4.4		3.9		3.3		2.5		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		3.1		0.9		1.8		3.2		4.7		5.7		5.9		4.8		3.7		3.2		2.2		1.1		0.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.7		0.3		1		2.3		4		5.2		5.7		5		3.9		2.6		1.4		0.5		0.2

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		0.8		1.4		2		2.5		2.8		2.6		2.2		1.5		1		0.4		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		3.7		1.1		2.7		4.2		5.7		5.5		5.5		5.1		5.1		4.1		3.1		1.7		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		1		2.4		3.8		5.8		6.9		7.3		6.4		5.7		4.2		2.8		1.5		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		2.2		0.3		0.9		2.1		3.3		4.3		4.7		4.1		3.4		2		1.1		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		1.4		0.2		0.6		1.3		2		2.5		2.7		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		2.5		0.8		1.8		3.2		3.9		3.9		4		3.5		3.3		2.4		1.8		0.8		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		2.2		0.7		1.5		2.6		3.2		3.7		3.9		3.1		2.8		2		1.6		0.6		0.3