NIKOLAI, ALASKA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2.1		-19.5		-15.3		-9.7		-1.1		7.2		12.5		14.8		12.6		6.9		-4.1		-12.8		-16.8

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4		-13.9		-8.4		-2.2		5.2		13.7		19		20.9		18.3		12.6		1.1		-7.3		-10.9

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-8.2		-25.1		-22.2		-17.3		-7.3		0.7		5.9		8.6		6.7		1.3		-9.3		-18.3		-22.7

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.7		-1.5		1.3		4.4		10.9		17.4		22		23.7		22.6		15.6		6.1		1		0.2

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-36.9		-36.9		-34.6		-27		-15.9		-3.8		4.1		6.4		4.2		-5.4		-15.9		-24.7		-33.9

Average Number of Days Below 32F/0C

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		236		28		30.7		27.8		28.4		16.6		1.5		0.1		1.7		13.2		28.6		29.2		30.6

Average Number of Days Below 0F/-17C

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		98.6		22.9		18.5		5		---		---		---		---		---		6		15.3		22.9		8

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		345		14		14		7		8		18		42		67		70		52		20		18		16

Average Number of Days With Precipitation

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		119		6		6		6		7		8		13		17		16		13		11		8		8

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		204		43		41		42		40		42		85		204		161		111		65		59		48

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		2		---		---		---		1		2		17		19		18		7		---		---

Most Precipitation Reported in a Day

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		69.1		13.2		14.5		14.5		11.7		22.9		47.2		37.1		62.7		69.1		13.2		25.4		15.2

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

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		45		1		2		1		2		3		7		9		9		5		3		2		1

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

Years on Record: 25

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

Average Snowfall

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		150.6		16.5		21.3		14.5		19.8		5.6		---		---		---		3.6		29.2		22.4		17.8

Average Snow Cover

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		15		33		38		40		25		2		---		---		---		---		7		15		22

Most Snow Reported in a Month

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		92.5		46.7		63		37.1		55.4		30.2		---		---		---		13.5		92.5		64		50.3

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7445.6		1173.3		943.3		871.1		582.2		344.4		175.6		110.6		181.1		342.8		695.6		935.6		1090

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.2		---		---		---		---		---		---		1.1		1.1		---		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		302.3		---		---		---		---		---		75		148.1		79.2		---		---		---		---

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		9.8		12.7		15.9		19.7		22.3		20.4		16.9		13.6		10.6		7.8		6.2

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.7		0.7		3.2		8.6		15.3		19.7		21.5		18.5		13.4		9.1		4.6		1.3		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		5		0.5		2		4.7		7.1		8.9		10.1		9.4		7.8		5		2.8		0.9		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		11.4		2.7		7		14.4		19.6		18.6		18.4		16.3		13.5		12.3		9		3.9		1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.2		2.4		6.3		13.1		20.2		23.5		24.5		19.4		12.8		12.1		8		3.6		---

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.7		0.7		3.2		8.6		15.3		19.7		21.5		18.5		13.4		9.1		4.6		1.3		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		5.2		0.6		2.3		5.2		7.3		9		10.1		9.5		8		5.4		3.2		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		13.4		3.2		8.2		17.3		21.7		21.1		20.5		19.2		16.6		15.3		10.7		4.7		1.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		2.9		7.6		16.2		22.9		28.8		29.7		25.7		18.5		16.1		9.7		4.2		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.5		0.6		2.8		7.6		13.4		16.9		19.9		16.7		12		7.3		3.9		1.1		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		4.8		0.5		1.9		4.4		6.9		8.8		10		9.4		7.7		4.6		2.5		0.8		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		9.7		2.3		6		12.3		17.1		15.5		17		14.6		11.7		9		7.2		3		0.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		1.9		5.4		10.7		15.9		17.2		21		15.6		9.8		7.8		6.3		2.8		---