ALEXANDER RESERVOIR, HAWAII

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Elevation: 195 meters Latitude: 21 58N Longitude: 159 28W

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CURRENT CONDITIONS

Sunrise/Set

06:41 am

06:01 pm
Local Time
3:34 pm HST
31 October, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

PRECIPITATION

Average Precipitation

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2252		219		176		202		207		164		131		176		167		130		182		244		252

Average Number of Days With Precipitation

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		150		10		10		12		12		14		13		15		15		12		14		12		11

Most Reported Precipitation in a Month

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		872		477		501		581		561		443		451		310		364		261		368		631		872

Least Reported Precipitation in a Month

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		13		28		14		28		13		32		37		61		40		53		44		45		62

Most Precipitation Reported in a Day

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		241.3		165.1		101.6		210.3		153.7		99.1		50.8		76.2		175.3		92.7		135.1		241.3		226.6

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

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		122		8		8		10		10		11		10		12		12		10		11		10		10

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

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		47		4		4		4		5		4		3		4		4		3		4		4		4

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

Years on Record: 62

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25		3		2		2		3		2		1		2		2		1		2		2		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		12.5		11.4		11.8		12.4		13.1		13.6		13.9		13.7		13.2		12.6		12		11.5		11.2

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		21.5		15.1		18.1		21.5		24.6		26.1		27.3		26.6		25.7		23.6		19.6		15.7		14.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		4.3		4.9		5.8		6.4		6.9		6.6		6.8		6.2		5.5		5		4.5		4.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.3		18.1		21		22.8		23.9		23.8		27.2		23.9		24.2		24.3		22.1		19.2		17.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25		20.6		22.6		24.3		26.6		27.6		29.8		28.5		28.1		27.2		23.9		20.7		19.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.5		15.1		18.1		21.5		24.6		26.1		27.3		26.6		25.7		23.6		19.6		15.7		14.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.4		5.2		6		6.8		7.3		7.7		7.2		7.8		7.5		6.3		5.7		5.1		4.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.7		21.2		24.6		25.9		26.8		25.6		28.5		25.2		26.5		25.8		24.1		21.5		20.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		29.7		26.4		29		30.3		32.7		32		32.3		31.9		33.4		30.4		27.8		24.7		25.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19		11.3		13.8		18.4		22.3		24		25.9		23.8		22.6		21.6		17.9		13.6		12.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.7		3.5		3.8		4.6		5.1		5.9		6		6		5		4.8		4.3		3.9		3.4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		12.8		15.3		19.3		21.6		22		25.7		21.6		21.4		22.1		19.9		16.2		14.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.5		11.7		13.2		18.1		21.9		23.4		26.9		23		21.9		23.1		20.1		15.8		15.3

NEARBY - MAP

NEARBY - LIST

Papuaa, Hawaii (0 mi / 0 km)
Kalaheo - Mauka Reservoir, Hawaii (1 mi / 2 km)
Omao, Hawaii (1 mi / 1 km)
Aakukui, Hawaii (2 mi / 3 km)
Halenanaho, Hawaii (2 mi / 3 km)

GEOBA.SE

Alexander Reservoir, Hawaii