LYTTELTON, NEW ZEALAND

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55		63.9		63.1		60.8		56.3		51.1		46.8		45.3		47.5		51.3		54.7		57.7		61.2

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		61.9		70.9		69.8		67.6		63.1		57.9		53.8		52.2		54		58.5		61.9		64.6		68.2

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48		56.8		56.7		54		49.5		44.4		39.9		38.5		40.8		44.1		47.5		50.9		54.1

Average Rainfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.6		0.5		0.4		0.5		0.7		0.8		0.7		0.8		0.6		0.4		0.4		0.4		0.5

Average Number of Rainy Days

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		104.4		7.9		5.8		7.5		8.5		10.6		11.2		11.3		12.1		8.3		7.3		6.2		7.7

Most Rain Reported in a Day

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		5		2.1		1.4		2.1		5		1.5		2.5		2.9		4.5		0.9		2.5		1.1		1.7

Avg. No. of Days w/Rain Above 0.1in/2mm

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		77.1		5.5		3.9		5.5		6.5		8.2		8.3		8.3		8		6.4		5.6		4.8		6.1

Average Morning Relative Humidity

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		73.1		69.7		73.5		72.9		75.9		75.4		77.6		78.6		75.8		71.7		68.8		68.7		68.5

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3676.2		34.1		53.7		130.2		261		430.9		546		610.7		542.5		411		319.3		219		117.8

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2121.8		430.9		370.1		334.8		189		34.1		---		---		---		39		145.7		231		347.2

Average Sea Level Pressure

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
InHg		29.9		29.9		29.9		30		30		30		29.9		29.9		29.9		29.9		29.8		29.8		29.8

Average Vapor Pressure

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
InHg		0.3		0.4		0.4		0.4		0.3		0.3		0.2		0.2		0.2		0.3		0.3		0.3		0.4

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		15.5		14.3		12.8		11.4		10.1		9.5		9.8		10.9		12.3		13.8		15.2		15.5

Average Percent of Cloud Cover

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		68		68.8		70		68.8		67.5		65		66.3		65		66.3		66.3		68.8		71.3		72.5

Average Wind Speed

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		9.9		11.2		10.7		10.1		8.7		8.9		8.3		8.3		9.4		10.1		10.9		11.2		11.6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4		6.4		5.5		4.3		2.9		1.9		1.5		1.7		2.4		3.7		5		6.1		6.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		2.4		2		1.5		1		0.7		0.5		0.6		0.9		1.3		1.8		2.3		2.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.6		5.7		5.5		5		4		3.4		2.8		3.3		3.8		4.7		5.2		5.6		5.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		6.4		5.9		5.3		4.4		3.6		3.2		3.6		4		4.9		5.5		6.3		6.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4		6.4		5.5		4.3		2.9		1.9		1.5		1.7		2.4		3.7		5		6.1		6.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		2.6		2.1		1.6		1.1		0.7		0.6		0.6		0.9		1.4		1.9		2.4		2.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.4		6.4		6.5		5.8		5.2		4.3		3.3		4		4.6		5.9		6.2		6.2		6.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.4		7.9		7.9		6.6		6.2		4.8		4		4.4		5.3		6.9		7.3		7.5		8.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		5.1		4.7		3.8		2.3		1.7		1.3		1.4		2.2		3		4.2		5.2		5.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		2.2		1.7		1.3		0.8		0.6		0.5		0.6		0.8		1.1		1.6		2.1		2.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		4.6		4.6		4.3		3.1		3		2.4		2.4		3.2		3.6		4.3		4.8		4.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.6		4.1		4.3		4.1		2.9		3		2.6		2.3		3.3		3.3		3.9		4.6		4.4