CASTLE HILL, NEW ZEALAND

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.3		13.9		13.9		11.8		8.7		5.8		3.1		2.5		3.7		5.9		7.8		9.9		12

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.1		20.8		20.6		18.3		14.6		10.9		7.7		7.3		8.7		11.7		13.8		16.3		18.4

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2.4		7		7.1		5.4		2.7		0.6		-1.5		-2.3		-1.3		0.1		1.7		3.5		5.6

Highest Recorded Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33.3		32.7		33.3		30.9		24.7		19.9		16.5		15.9		21.9		25.1		27.6		29.5		29.6

Lowest Recorded Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		---		---		---		1.4		---		---		---		---		---		---		---		---

Average Number of Days Above 80F/26C

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.3		5.2		4.7		1.2		---		---		---		---		---		---		---		0.5		1.7

Average Number of Days With Hail

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.8		0.1		0.3		---		0.1		0.2		0.1		---		0.1		0.1		0.4		0.2		0.2

Average Rainfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		460.6		31.1		26.4		29.8		31.5		36.4		44.1		40		48.4		42.2		51.1		38.4		41.2

Average Number of Rainy Days

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		194.3		14.1		12		14		15		16.1		17.4		18		18.9		18.2		18.5		15.5		16.6

Average Number of Days With Thunderstorms

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.1		0.2		0.2		---		0.2		0.2		---		0.1		0.1		0.5		0.3		---		0.3

Most Rain Reported in a Day

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		146.8		75.9		103.2		77.5		87.5		102		141.9		116.3		146.8		114.8		111		107.6		105.9

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

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		138.2		10.3		8.3		9.3		9.8		10.8		12		12.2		13.4		13		14.6		12.1		12.4

Average Number of Days With Snow

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37.8		0.1		0.5		1		1.7		3.6		4.5		7.3		7.4		4.9		3.9		2.1		0.8

Av. # of Days w/Snow Depth Above 0.4in/10mm

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		39.1		0.1		0.1		0.3		0.8		2.1		6.1		13.7		10.1		3.5		1.7		0.5		0.1

Average Number of Days With Frost

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		122.5		0.4		0.4		1.5		5.6		14.7		22		25		22.4		14.9		10.3		4		1.3

Average Morning Relative Humidity

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78.4		71.5		75		79.2		81.7		84.8		86		88.1		84.1		76.9		72.4		69.6		71.4

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3738.6		136.4		136.4		201.5		297.6		387.5		471.2		489.8		452.6		384.4		325.5		260.4		195.3

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		348.9		120.9		110.2		55.8		---		---		---		---		---		---		---		---		62

Average Vapor Pressure

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		8		10.3		10.5		10.4		8.5		6.7		5.7		5.4		5.9		6.8		7.6		8.2		9.6

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		10.2		9.6		9.9		10.9		12.3		13.8		15.2		15.5

Average Number of Days With Fog

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10.5		0.7		0.7		1.7		1.5		0.8		1.1		1.1		0.7		0.7		0.7		0.3		0.5

Average Percent of Cloud Cover

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		58.5		60		55		61.3		55		57.5		52.5		56.3		56.3		60		61.3		63.8		63.8

Highest Reported Hourly Wind Speed

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		56.2		55		43		40.3		43		40.6		51.1		36.3		38.6		49.7		46		46.8		56.2

Highest Reported Wind Gust

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		150.1		127.8		122.4		133.6		150.1		148.3		107.6		118.4		127.8		118.4		142.6		148.3		111.2

Avg. # of Days w/Wind Above 32 mph/52 km/h

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		127.4		10.3		7.5		11		8.9		10.2		9.2		7.3		8.9		13.6		14		14.1		12.4

Avg. # of Days w/Wind Above 39 mph/63 km/h

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		74.5		5.7		4.1		6.4		5.5		6.2		5.5		4.7		4.8		8.4		9.3		7.8		6.1

Average Primary Wind Direction

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		198.2		185.9		224.5		171		167		241.6		201.1		200.6		251.3		185.5		199		159.4		191.6

Avg. # of Days w/Wind Above 59 mph/82 km/h

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9.4		0.7		0.3		0.6		1		0.7		0.3		0.3		0.9		0.7		1.7		1.6		0.6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.6		20.7		18.1		14.2		9.8		6.5		4.8		5.6		7.7		11.2		14.7		18.5		19.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		9		7.6		5.7		3.9		2.7		2.2		2.4		3.4		5.1		7		8.7		9.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14		18.5		17.9		16.1		13		10.8		9		10		11.1		13.3		14.9		16.9		16.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		18.5		17.5		15.8		13.3		11.1		9.1		10.2		10.8		12.2		13.2		15.7		15.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.6		20.7		18.1		14.2		9.8		6.5		4.8		5.6		7.7		11.2		14.7		18.5		19.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		9.2		7.8		5.9		4.1		2.7		2.2		2.5		3.5		5.2		7.1		8.8		9.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		21		20.3		20.9		15.8		13.1		10.3		12.2		14		15.8		17.6		19.1		20.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18		23.6		22		23.8		17.5		14.1		10.8		13.1		15.1		15.9		17.6		19.8		22.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.3		17.2		14.1		12.2		7.8		5.8		3.9		4.9		6.8		9		11.5		15.1		15.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		8.6		7.2		4.9		3.6		2.5		2.1		2.3		3.2		4.9		6.8		8.5		9.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		15.4		13.6		13.4		9.7		9.2		6.6		8.3		9.2		10.2		11.4		13.8		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		9.2		12.7		10.6		11.7		8.6		9		6		7.9		8.4		8		8		10.3		9.8