CHALKYITSIK, ALASKA

Average Temperature

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-6.3		-27.2		-26.2		---		-6.6		6.6		15.1		16.3		13.7		5.1		-7.9		-21.3		-25.7

Average High Temperature

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-0.3		-22.9		-20.6		---		1.1		13.9		21.9		22.8		20.3		11.5		-3.6		-17.2		-21.4

Average Low Temperature

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-12.3		-31.7		-31.8		---		-14.3		-0.8		8.2		9.8		6.7		-1.7		-11.9		-25.3		-30

Highest Recorded Temperature

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33.9		9.4		5		18.3		32.2		33.9		33.3		33.9		25.6		12.8		6.1		6.7		33.9

Lowest Recorded Temperature

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-55		-55		-52.8		-34.4		-21.1		-2.2		---		-7.8		-17.8		-37.2		-44.4		-51.1		-55

Average Number of Days Above 90F/32C

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.7		---		---		---		0.1		0.4		0.1		0.3		---		---		---		---		0.8

Average Number of Days Below 32F/0C

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		241		28		30		26.7		28.1		17.8		0.4		0.1		2.2		20.3		29.4		28.4		29.2

Average Number of Days Below 0F/-17C

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		131		27.5		24.8		9.9		0.3		---		---		---		0.2		6.2		24		27.1		11

Average Precipitation

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		210		10		10		---		---		---		20		30		30		10		20		20		10

Average Number of Days With Precipitation

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60		4		4		4		2		2		5		7		7		5		8		6		6

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		81		35		26		33		30		39		50		81		65		35		53		53		55

Least Reported Precipitation in a Month

Years on Record: 30

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

Most Precipitation Reported in a Day

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		33		17		15.2		7.6		14		23.6		33		23.9		29.2		10.4		26.7		24.1		17.8

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

Years on Record: 43

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

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

Years on Record: 43

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

Average Snowfall

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		118.4		16.5		16.8		12.2		7.1		0.2		---		---		---		2.5		19.6		22.9		20.6

Average Snow Cover

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		22		45		53		53		38		2		---		---		---		---		7		25		35

Most Snow Reported in a Month

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		70.9		36.8		45.7		44.5		25.4		3.8		---		---		---		17.8		48.3		44.7		70.9

Heating Degree Days

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7222.2		1240.6		1096.7		952.2		581.7		201.7		16.7		7.8		35.6		233.3		640.6		1023.9		1191.7

Cooling Degree Days

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33.3		---		---		---		---		1.1		11.1		15		6.1		---		---		---		---

Growing Degree Days

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		463.8		---		---		---		---		158.4		190		115.4		---		---		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.6		6.2		9.3		12.8		16.6		20.5		23		21		17.9		13.9		10.3		7		4.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.8		0.2		2.2		7.5		15		21.1		23.4		20.8		14.8		8.9		3.6		0.6		---

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		0.2		1.5		4.2		7		8.8		10.4		8.7		7.9		4.8		2.3		0.5		---

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.5		1.2		5.5		13.4		20.3		20.2		19.7		18.6		15.4		12.7		8		2.9		---

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.9		---		4.9		12.3		21.5		28.9		31.3		28.4		17.1		13.2		7.1		2.5		---

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.8		0.2		2.2		7.5		15		21.1		23.4		20.8		14.8		8.9		3.6		0.6		---

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		0.2		1.6		4.5		7.5		8.9		10.5		8.8		7.9		5		2.6		0.5		---

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		1.7		6.4		15.1		22.8		22.6		22.4		20.8		17.9		14.7		9.3		3.3		---

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		---		5.8		14.2		24.3		33.8		38.9		33.9		21.8		15.8		8.3		2.9		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		0.2		1.9		6.7		13.2		19		20.2		17.7		13.3		7.8		3.1		0.6		---

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		0.2		1.3		4		6.8		8.6		10.2		8.5		7.8		4.5		2.1		0.4		---

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		1		4.6		11.5		17.5		17.9		16.9		15.6		13.4		10.8		6.5		2.5		---

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		---		4		10.2		17.2		23.8		24.1		21.6		13.5		10.7		5.6		2.1		---