PEARL HARBOR, HAWAII

Average Temperature

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.9		21.7		21.8		22.2		23.2		24.1		25.1		25.6		25.9		25.6		24.9		23.9		22.6

Average High Temperature

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		29.1		26.9		27.1		27.4		28.3		29.3		30.3		30.7		31.1		30.9		30.2		28.9		27.4

Average Low Temperature

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.7		16.6		16.6		17.1		18.1		18.9		19.9		20.5		20.8		20.3		19.7		18.9		17.7

Highest Recorded Temperature

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33.9		30.6		30.6		30.6		31.7		32.2		32.8		32.8		33.3		33.9		33.3		32.2		31.1

Lowest Recorded Temperature

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.4		10.6		10		9.4		11.1		13.3		15.6		16.7		16.7		16.7		15		13.3		10.6

Average Number of Days Above 90F/32C

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.2		---		---		---		---		0.3		0.7		2.2		4.9		4		1		---		---

Average Precipitation

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		547		107		69		62		38		27		10		14		12		15		42		71		80

Average Number of Days With Precipitation

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		78		10		8		7		7		5		4		6		4		5		6		7		9

Most Reported Precipitation in a Month

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		449		362		342		449		282		219		64		70		57		104		216		381		259

Least Reported Precipitation in a Month

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		6		---		1		1		---		---		---		---		---		---		1		1

Most Precipitation Reported in a Day

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		252.7		185.4		190.5		252.7		112.5		83.8		33.5		54.6		54.6		43.7		219.7		234.9		152.4

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

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30		5		3		4		3		2		1		1		1		1		2		3		4

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

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9		2		1		1		1		---		---		---		---		---		1		1		2

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

Years on Record: 58

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

Heating Degree Days

Years on Record: 58

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

Cooling Degree Days

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2035		106.7		98.3		121.1		144.4		178.3		202.2		226.1		236.7		218.3		205		167.2		130.6

Growing Degree Days

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5387.8		363.4		334.3		378.9		395		437.4		451.7		483.9		494.3		468.3		463.3		416.7		389.2

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		11.9		12.4		13		13.6		13.8		13.7		13.2		12.6		12		11.5		11.3

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.3		15.3		18.4		21.3		24.1		25.2		26.6		26.1		25.3		23.2		19.7		15.7		14.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		4.5		5		6		6.7		7.2		6.8		6.9		6.4		5.8		5.2		4.7		4.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.2		18.6		21		22.5		23.4		23.1		26.6		25.8		23.8		23.8		22		18.9		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		24.2		20.2		22.5		23.6		25.3		25.8		28.3		27.4		27.1		26.1		23.6		20.1		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		21.3		15.3		18.4		21.3		24.1		25.2		26.6		26.1		25.3		23.2		19.7		15.7		14.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.6		5.3		5.9		7.1		8		8.2		7.5		7.7		7.4		6.6		5.8		5.3		4.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.8		22		24.9		25.6		26.3		25.4		28.6		27.6		26.3		25.9		23.7		21.4		19.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		29.2		26		29.7		29.6		31.5		31.2		32.4		31.1		32.8		30.5		27		24.5		24.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.5		10.7		15.8		17.6		19.8		22		24.8		24.1		22.9		21.1		17.8		13.9		11.9

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		3.6		3.8		4.9		5.4		6.1		5.9		6.2		5.2		4.8		4.6		4.1		3.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.1		12.2		17.7		18.2		19.1		20.3		24.8		23.8		21.6		21.5		19.6		16.3		13.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.4		10.1		16.8		16.2		17.2		19.7		24.9		23.4		22.2		21.7		19.5		15.8		13.6