BIG PORT WALTER, ALASKA

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Elevation: 4 meters Latitude: 56 23N Longitude: 134 39W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

08:57 am

12:52 am
Local Time
2:04 am EDT
7 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5		---		1		2		4		7		10		12		12		10		7		3		1

Average High Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8		2		3		4		7		11		14		16		16		13		9		5		3

Average Low Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3		-1		-1		---		1		3		6		9		9		7		4		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		5.3		---		---		---		---		0.1		0.9		2.3		1.9		0.1		---		---		---

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		67.3		---		---		---		0.7		4.7		12.7		22		20.5		6.7		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		171		0.6		0.3		0.6		7.3		23.2		29.4		31		31		29.1		14.7		2.6		1.1

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		300.7		13.8		14.9		22.9		29.2		31		30		31		31		30		30.5		22.1		14.2

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		364.9		31		28		31		30		31		30		30.9		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		335.4		31		28		31		30		31		28.1		18.6		19.1		27		30.7		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		214.9		30.1		27.7		30.5		27.8		18.4		3.3		0.1		---		3.1		16.5		27.4		30

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		95.4		19.1		17.8		18.2		8.6		1.2		---		---		---		0.1		2.2		10.8		17.4

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		7.1		2.5		1.8		0.7		---		---		---		---		---		---		---		0.6		1.5

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		0.3		0.1		---		0.1		---		---		---		---		---		---		---		---		---

PRECIPITATION

Average Precipitation

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		5688		560		450		427		356		305		210		225		339		579		895		711		631

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		233.1		23.8		19		20.7		18.6		16.2		13.6		13.2		15.9		20		24.7		24.1		23.3

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		206.5		21.9		17		19.1		16.5		13.6		10.9		9.9		13		17.6		22.7		22.7		21.6

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		130.8		14.8		11		12		9		7.3		5.3		4.6		7		12		16.2		16.2		15.4

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

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83		9.7		7.4		6.7		5		4.3		2.8		2.3		4.5		8.4		11.4		10.4		10.1

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		247.7		67.6		54.6		42.7		4.1		---		---		---		---		---		1.3		27.2		50.3

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32		8.5		6.1		5.1		1		---		---		---		---		---		0.3		3.7		7.3

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25		6.5		5.2		4.1		0.8		---		---		---		---		---		0.2		2.7		5.5

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.5		3.2		2.7		1.9		0.1		---		---		---		---		---		---		1.3		2.3

Avg. No. of Days w/Snow Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.5		1.8		1.4		1.1		---		---		---		---		---		---		---		0.8		1.4

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.7		0.6		0.3		0.2		---		---		---		---		---		---		---		0.3		0.3

Avg. # of Days w/Snow Depth Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		76.1		18.9		16.4		15.3		3.8		---		---		---		---		---		0.3		6.6		14.8

Avg. # of Days w/Snow Depth Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		63.3		16.2		14.5		13.9		3.4		---		---		---		---		---		0.1		4.2		11

Avg. # of Days w/Snow Depth Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		54.9		14.3		13.1		12.1		3.1		---		---		---		---		---		---		3		9.3

Avg. # of Days w/Snow Depth Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38.7		9.4		10.3		8.3		2.9		---		---		---		---		---		---		2		5.8

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7708		953		846		880		720		569		387		284		287		416		636		807		924

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		522		---		---		---		---		15		81		182		179		60		5		---		---

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.1		8.4		10.3		12.6		15		17.3		18.7		17.9		15.7		13.3		10.9		8.9		7.8

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		9.7		1.8		4.4		8.8		14.3		18		18.7		16.8		14.1		9.8		5.5		2.5		1.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		1.3		2.7		5.1		7.3		9.3		9.9		9.4		8		5.5		3.3		1.7		0.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.5		3.5		7.2		11.5		15.4		16.5		16.1		14.8		13.9		11.7		8.3		4.8		2.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.7		3		6.2		10		14.7		16.3		16.2		13.8		12.2		10.5		7.4		4.2		1.9

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		1.8		4.4		8.8		14.3		18		18.7		16.8		14.1		9.8		5.5		2.5		1.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		1.5		3.3		5.6		7.4		9.4		10		9.5		8.1		6		3.7		1.9		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		13.1		5.3		10.5		15.2		17.2		21		18.2		17.5		17.4		15.6		10		6.1		3.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.4		4.5		9.1		14.4		17.6		24.7		20.5		19		18.2		15.5		9.2		5.6		2.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.2		1.4		3.6		7.5		12.8		16		15.7		14.9		11.5		8		4.2		1.9		1.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		1.1		2.4		4.8		7.3		9.2		9.7		9.2		7.7		5.1		2.8		1.4		0.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.6		2.3		5.6		9.1		13.5		14.5		13.6		13.1		11		9		6		3.2		2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.9		1.7		4.6		7.2		11.7		12.6		11.1		10.5		7.7		7		4.9		2.6		1.6

NEARBY - MAP

NEARBY - LIST

Little Port Walter, Alaska (0 mi / 0 km)
Port Alexander Seaplane Base, Alaska (9 mi / 15 km)
Point Baker, Alaska (33 mi / 53 km)
Biorka, Alaska (46 mi / 75 km)
Baranof, Alaska (48 mi / 77 km)

GEOBA.SE

Big Port Walter, Alaska