HOOPER BAY, ALASKA

Average Temperature

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1.7		-10.4		-12.3		---		-6.1		1.7		6.6		9.5		9.4		6.4		-0.4		-5		-10.3

Average High Temperature

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.7		-7.6		-9.5		---		-3.4		4.1		9.1		11.7		11.3		8.2		1.3		-2.8		-7.7

Average Low Temperature

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-4.1		-13.2		-15.2		---		-8.8		-0.7		4		7.3		7.6		4.6		-2.1		-7.2		-12.9

Highest Recorded Temperature

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26.1		9.4		8.9		15.6		21.7		22.2		26.1		22.8		17.2		15.6		7.2		8.9		26.1

Lowest Recorded Temperature

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-32.2		-30.6		-32.2		-24.4		-16.1		-3.9		-0.6		0.6		-5		-15.6		-21.7		-30.6		-32.2

Average Number of Days Below 32F/0C

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		219		29		30.2		27.5		28.5		18.5		3		---		---		1.9		22.3		28.7		29.8

Average Number of Days Below 0F/-17C

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40.2		11		12.4		3.2		---		---		---		---		---		---		0.9		9.7		3

Average Precipitation

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		647		29		25		32		24		34		56		74		128		117		60		39		30

Average Number of Days With Precipitation

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		155		10		7		10		11		11		12		15		20		18		17		14		10

Most Reported Precipitation in a Month

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		267		106		108		174		87		116		151		164		223		267		155		139		105

Least Reported Precipitation in a Month

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		1		---		1		1		2		2		9		48		14		20		5		---

Most Precipitation Reported in a Day

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		70.4		25.1		29.2		30.5		22.9		31.5		47.8		49.5		70.4		53.1		35.6		50		33

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

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65		3		2		4		3		4		6		7		11		11		7		4		3

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

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12		---		---		1		---		1		1		2		3		3		1		---		---

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

Years on Record: 33

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

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		1.1		0.5		0.6		0.5		0.7		1.1		1.6		2		2		1.5		0.9		0.7		0.6

Average Snowfall

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		173.2		23.1		17.5		26.4		18.5		9.4		3.6		---		0.2		1.8		23.4		25.4		23.9

Average Snow Cover

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		15		27		35		43		43		17		---		---		---		---		2		10		17

Most Snow Reported in a Month

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		174.5		80.8		80.8		174.5		66.8		33.3		77		---		8.6		14		73.7		64.5		86.6

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		77.9		73.2		77.3		76.1		79.3		81.1		78.1		81.3		81.7		79		77.4		76.2		75.7

Heating Degree Days

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5286.7		718.3		710		690		566.1		344.4		188.9		110		108.9		190.6		409.4		533.9		716.1

Cooling Degree Days

Years on Record: 33

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

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.5		7.4		9.8		12.7		15.8		19.1		22		20.2		16.7		13.6		10.6		8		6.5

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		69.2		58.1		62.6		57.3		68.4		70.2		73.7		79.1		79.4		75.7		70.6		68.9		65.9

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		62		51.1		54.3		50.5		60.9		63.2		65		71.5		74		68.2		63.4		60		59.9

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		23.5		25.3		29.5		25.8		23.8		20.8		20.4		19.4		22.5		22.6		22		25.1		25.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.9		0.8		2.8		7.2		13.3		18.5		20.3		16.6		12.2		8.7		4.1		1.3		0.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		0.6		1.9		4.4		7		8.9		10		9.3		7.7		4.9		2.6		0.9		0.3

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		2.4		5.8		11.2		16.3		17.4		17.3		14.5		11.9		11.2		7.1		3.6		1.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.8		2		4.9		9.3		15.1		20.2		21.3		15.2		10		10.6		6.4		3.1		0.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.9		0.8		2.8		7.2		13.3		18.5		20.3		16.6		12.2		8.7		4.1		1.3		0.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.1		0.6		2.5		4.8		7.2		9		10		9.4		8		5.2		3		1.1		0.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.7		3		9.1		14.1		20.9		22.7		20		17.4		15.9		13.5		8.8		4.9		1.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.9		2.6		8.1		12.6		21.4		29		27.6		21.2		17		13.7		8.2		4.2		1.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.1		0.7		2		5.4		11.3		15.4		17.4		10.9		10.4		6.5		3.4		1.1		0.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.6		0.5		1.5		3.8		7		8.8		9.9		8.5		7.3		4.4		2.3		0.9		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		7.6		1.9		3.5		7.3		13		14.1		14.8		9.4		9.9		7.5		5.7		3		0.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		1.5		2.6		5		10.4		13.9		15.6		5		6.8		5.8		4.7		2.5		0.1