WAIMEA - ARBORETUM, HAWAII

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.6		21.2		21.1		22.1		22.9		23.9		25		25.3		25.8		25.7		24.8		23.3		22

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		28.7		26.2		26.4		27.3		28		29.1		30.1		30.2		30.8		30.9		29.9		28		26.6

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.6		16.2		15.6		16.9		17.9		18.8		19.9		20.4		20.8		20.4		19.7		18.6		17.4

Highest Recorded Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		35		31.1		33.3		32.8		32.2		35		34.4		33.3		34.4		34.4		33.3		32.2		30.6

Lowest Recorded Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.2		10.6		7.2		8.3		12.2		12.8		15		15		15.6		15		14.4		11.1		10

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.4		---		---		---		---		0.7		1.1		1.2		3.1		3.7		1.4		0.1		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		291.7		13		13.9		20.8		24.1		28.4		29.9		30.7		30.8		29.9		30.2		23.7		16.2

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		364.5		30.8		27.9		31		30		31		30		31		31		30		31		30		31

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		365		31		28		31		30		31		30		31		31		30		31		30		31

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		365		31		28		31		30		31		30		31		31		30		31		30		31

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		365		31		28		31		30		31		30		31		31		30		31		30		31

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		318.9		30.8		28		30.8		29.2		28.2		25.1		22		18.3		21.2		25.7		28.7		30.9

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		41.7		11.2		12.3		7		2.7		1.6		0.1		---		---		---		0.6		1.5		4.6

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		0.9		0.2		0.5		0.2		---		---		---		---		---		---		---		---		---

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1389.4		142.2		101.6		132.1		114.3		88.9		86.4		116.8		78.7		71.1		119.4		177.8		160

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		246.9		18.5		16.1		19.3		20.6		18.9		21.5		23.5		21.5		19.7		21.9		23.3		22.1

Most Reported Precipitation in a Month

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		645		327		310		492		269		210		233		319		219		200		380		645		435

Least Reported Precipitation in a Month

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		9		30		20		22		30		9		31		34		26		17		39		70		10

Most Precipitation Reported in a Day

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		271.5		195.1		111.8		194.8		99.1		125.2		74.2		162.6		74.9		101.6		271.5		180.3		175.8

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		121.4		9.2		8		10.9		11.1		8.9		10.3		12.3		8.9		8.6		10		12.2		11

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

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		121		9		8		11		11		9		10		12		9		9		10		12		11

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

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25		3		2		3		2		1		1		2		1		1		2		4		3

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		24.2		2.6		2.1		2.8		2.1		1.3		1		1.7		0.9		0.9		1.9		3.5		3.4

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

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.4		0.9		0.9		0.8		0.6		0.5		0.1		0.3		0.2		0.3		0.8		1.5		1.5

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		2		3		1		---		---		---		---		---		---		---		---		---

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3468		160		139		212		251		313		360		391		417		394		360		267		205

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8937		623		556		676		701		778		810		856		882		844		825		717		670

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		13.8		13.7		13.2		12.6		12		11.5		11.2

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.7		15.2		18.5		21.6		25		26.3		27.4		26.8		25.9		23.8		19.8		15.9		14.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		4.3		4.8		5.8		6.2		6.8		6.6		6.7		6.2		5.4		4.9		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		22.5		18.2		21.4		22.9		24.3		24		27.2		24		24.4		24.4		22.4		19.4		17.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.4		20.8		23.4		24.6		27.4		28		29.9		28.8		28.5		27.6		24.5		21.2		20.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.7		15.2		18.5		21.6		25		26.3		27.4		26.8		25.9		23.8		19.8		15.9		14.3

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		5.9		6.9		7.3		7.8		7.3		7.7		7.2		6.4		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		24.6		21.2		24.3		25.5		26.6		25.9		28.7		25.6		26.1		26		24		21.7		20

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		26.3		28.6		29.5		32.4		32.7		32.9		33		32.4		30.8		27.6		25.1		24.7

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		11.4		15		17.8		22.1		23.6		25.7		24.1		23.3		21.5		17.8		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		3.9		4.8		5.2		5.8		5.9		5.8		5.3		4.8		4.4		3.8		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		12.9		16.9		18.6		21.4		21.7		25.5		21.7		22		21.9		19.8		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		19.6		11.9		15.6		16.9		21.5		22.7		26.4		23.4		23.2		22.6		19.9		15.8		15.3