CHARLTON, NEW ZEALAND

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		49.6		57.9		57.4		54.5		50.2		45.5		41.5		40.1		43.2		47.1		49.8		52.5		55.6

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		57.4		66.6		66.2		63		58.1		52.5		47.8		46.8		50.4		54.9		57.9		60.8		64

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		41.9		49.3		48.6		46		42.3		38.7		35.2		33.4		36		39.2		41.7		44.2		47.3

Highest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		91.2		86.7		91.2		84.2		76.3		71.1		62.4		61.2		63.9		73.8		76.1		77.9		82.2

Lowest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		---		35.1		34.7		33.6		32.2		32.4		---		---		32.4		---		---		---		32.5

Average Number of Days Above 80F/26C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.5		3.3		2.6		1		---		---		---		---		---		---		---		0.1		1.5

Average Evaporation Rate

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		32.9		4.5		3.5		3.2		2		1.6		1.1		1.2		1.8		2.5		3.3		3.9		4.3

Average Rainfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		10.3		1.1		0.9		0.9		0.8		1		0.8		0.6		0.7		0.7		0.8		0.9		1.1

Average Number of Rainy Days

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		203.7		15.8		13.3		15.6		16.3		19.1		20.1		17.2		16.3		15.4		18.9		17.9		17.8

Most Rain Reported in a Day

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		2.4		2.4		1.5		1.5		2.2		1.5		1.4		1.2		1		1		1.2		1.8		2.4

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		141.9		11.7		9.5		11.1		11.3		12.7		14		10.4		10.4		11		13.3		12.9		13.6

Average Number of Days With Frost

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		34.9		---		---		0.1		0.9		3.4		8.1		12.6		7.1		1.8		0.6		0.3		---

Average Morning Relative Humidity

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		82.8		80.1		83.9		84.5		85.3		86.2		86.4		86.6		84.7		80.4		79.5		77.4		78

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5636.1		220.1		214.7		325.5		444		604.5		705		771.9		675.8		537		471.2		375		291.4

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		848.1		244.9		209.1		139.5		6		---		---		---		---		---		---		75		173.6

Average Vapor Pressure

Years on Record: 21

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

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		15.9		14.5		12.9		11.3		9.9		9.3		9.6		10.8		12.3		14		15.5		15.9

Average Wind Speed

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		8		8.7		7.8		7.8		7.1		7.1		7.1		7		7.6		8.5		8.9		9.4		8.7

Highest Reported Hourly Wind Speed

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		46.4		28.8		28.9		25.7		27.2		24.9		29.6		23.6		29		39		46.4		27.4		26.7

Highest Reported Wind Gust

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		85.3		72.5		70.2		68		70.2		76.1		81.6		70.2		66.9		85.3		71.3		77.2		70.2

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

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		161.3		15.1		11.7		16.4		12.7		11.3		9.9		10.4		11.4		13.9		15.1		17.7		15.7

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

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		68.8		6.4		5.7		6.6		5.1		4.4		4.6		3.9		5		5.8		6.5		8		6.8

Average Primary Wind Direction

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		289.4		267		305.7		306		299.2		233.3		308.9		299.2		278.7		277.6		288.5		295.9		312.8

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

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.3		0.6		0.4		0.5		0.4		0.1		0.4		0.2		0.6		0.7		0.4		1.2		0.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		5.3		4.7		3.6		2.4		1.5		1.1		1.3		2		3.1		4.2		5.2		5.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		2.7		2.4		1.8		1.2		0.9		0.7		0.8		1.1		1.6		2.1		2.6		2.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.6		4.8		4.6		4.1		3.2		2.4		1.9		2.2		2.8		3.6		4.3		4.7		4.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.2		4.3		4.1		3.7		2.9		2.1		1.7		1.9		2.5		3.1		3.7		4.2		4.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		5.3		4.7		3.6		2.4		1.5		1.1		1.3		2		3.1		4.2		5.2		5.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.8		2.7		2.4		1.9		1.3		1		0.8		0.9		1.2		1.7		2.2		2.6		2.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		5.5		5.4		4.9		3.6		2.7		2.2		2.6		3.4		4.4		5.2		5.4		5.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		5.6		5.4		4.7		3.4		2.5		2.1		2.4		3.1		4		5.2		5.5		6.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		4.6		4.2		3.1		2		1.2		1		1.1		1.7		2.5		3.5		4.5		4.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		2.7		2.3		1.7		1.1		0.8		0.6		0.7		1		1.5		2.1		2.5		2.7

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		4.1		4.1		3.4		2.6		1.9		1.5		1.8		2.3		2.9		3.5		4.1		4.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.4		3.1		3.3		2.8		2.3		1.5		1.3		1.5		2		2.2		2.5		3.1		3.2