BARTER ISLAND, ALASKA

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Elevation: 1 meter Latitude: 70 08N Longitude: 143 36W

WEATHER

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Hourly Data

CURRENT CONDITIONS

Sunrise/Set

07:07 am

03:54 am
Local Time
7:14 pm EDT
8 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-12		-25		-28		-26		-18		-6		1		4		3		---		-9		-17		-24

Average High Temperature

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-9		-22		-25		-22		-14		-3		3		7		6		1		-6		-14		-21

Average Low Temperature

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-15		-29		-32		-30		-22		-9		---		1		1		-2		-12		-21		-27

Highest Recorded Temperature

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		25.6		3.9		2.8		2.2		6.1		11.1		20		25.6		22.2		18.9		7.8		2.8		2.8

Average Number of Days Below 32F/0C

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		310		31		28		31		30		31		23		9		11		25		31		30		31

Average Number of Days Below 0F/-17C

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		149.1		28.6		26.9		23.2		2.8		---		---		---		---		6.9		20.5		28.2		12

PRECIPITATION

Average Precipitation

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		150		10		---		---		---		---		10		20		20		10		10		10		---

Average Number of Days With Precipitation

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		89		5		5		5		6		6		6		8		12		10		12		8		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		11		11		6		13		10		20		81		67		38		36		11		9

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		2		4		4		3		---		---

Most Precipitation Reported in a Day

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		57.1		57.1		31		13.7		11.2		18.5		30.5		41.7		22.4		23.1		50.3		10.9		13.2

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

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18		1		1		1		---		1		2		3		3		2		2		1		1

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		87		5		5		5		6		6		6		8		12		10		12		8		5

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		106.2		12.7		6.9		6.6		6.1		7.6		4.1		1.3		3.8		12.4		23.4		12.7		8.6

Average Snow Cover

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		17		30		35		35		38		25		2		---		---		2		12		20		25

Most Snow Reported in a Month

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		88.9		88.9		38.9		38.1		31		28.2		23.9		9.7		18.8		57.9		81.5		51.3		32.8

HUMIDITY

Average Morning Relative Humidity

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		79		70		69		67		73		86		89		89		91		90		84		75		70

Average Evening Relative Humidity

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78		70		67		67		74		84		87		86		88		87		83		75		70

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9999.9		1355.6		1259.4		1346.1		1092.8		772.8		501.7		423.9		452.8		564.4		868.9		1098.9		1303.3

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.5		---		8.6		12.9		20		24		24		24		21		14.3		9.8		3.7		---

Average Number of Clear Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53		4		10		12		9		3		3		3		1		2		2		5		---

Average Number of Cloudy Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		192		8		12		11		13		22		20		19		24		24		24		15		---

Average Number of Partly Cloudy Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		66		3		6		8		8		6		7		9		6		4		5		4		---

WIND

Average Wind Speed

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		21		24		23		22		19		20		18		17		18		21		23		23		22

Highest Reported Hourly Wind Speed

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		120.7		120.7		111		106.2		78.9		90.1		85.3		77.2		93.3		93.3		111		98.2		112.7

SOLAR RADIATION

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.3		---		1		5		13.4		20.6		25.7		22		14.1		7.2		2.2		0.1		---

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		---		0.7		3.3		6.7		9.1		12.6		11.6		7		4.1		1.6		0.1		---

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.8		---		3		9.3		18.8		22		22		19.3		15.5		11.2		5.8		2.5		---

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		---		2.6		8.2		20.2		32		35.5		30.7		20.1		11.7		5.2		---		---

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.3		---		1		5		13.4		20.6		25.7		22		14.1		7.2		2.2		0.1		---

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		---		0.8		3.9		8		9.1		12.6		11.7		7		4.4		1.6		0.1		---

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		---		4.1		14.7		23		24.4		23.8		21.4		18.9		13.5		6.5		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		---		---		3.6		14.3		25.1		38.7		41.1		36.9		26.9		15		5.9		---		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		---		0.8		3.6		11.4		18.4		23.5		18.6		11.9		6.5		1.9		0.1		---

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		---		0.6		2.8		6.5		8.8		12.4		11.1		6.9		4		1.4		0.1		---

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		---		2		5.2		15.2		17.8		19.9		16		12.4		9.4		4.6		1.8		---

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		---		1.7		3.6		14.7		26.1		29.7		22.3		14.2		9.5		4		---		---

NEARBY - MAP

NEARBY - LIST

Kaktovik, Alaska (0 mi / 1 km)
Herschel, Yukon (89 mi / 143 km)
Komakuk Beach, Yukon (89 mi / 144 km)
Gordon, Alaska (90 mi / 145 km)
Prudhoe Bay, Alaska (111 mi / 178 km)

GEOBA.SE

Barter Island, Alaska