CHARLTON, NEW ZEALAND

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.8		14.4		14.1		12.5		10.1		7.5		5.3		4.5		6.2		8.4		9.9		11.4		13.1

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.1		19.2		19		17.2		14.5		11.4		8.8		8.2		10.2		12.7		14.4		16		17.8

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.5		9.6		9.2		7.8		5.7		3.7		1.8		0.8		2.2		4		5.4		6.8		8.5

Highest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		32.9		30.4		32.9		29		24.6		21.7		16.9		16.2		17.7		23.2		24.5		25.5		27.9

Lowest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		1.7		1.5		0.9		0.1		0.2		---		---		0.2		---		---		---		0.3

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
mm		836.1		115		89.7		80.2		50.8		39.7		28.7		31.4		45.2		63.6		85		97.8		109

Average Rainfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		262.6		27.2		23.5		22.6		20.4		24.5		21.5		16		16.8		17.5		21.4		23.4		27.8

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
mm		62.2		61.4		39		37.8		54.8		37.8		36.2		29.6		24.6		25		30		45.8		62.2

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		3168.2		120.9		130.2		179.8		254.2		334.8		403		427.8		375.1		306.9		260.4		213.9		161.2

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		470.8		136.4		115.8		77.5		3		---		---		---		---		---		---		42		96.1

Average Vapor Pressure

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		9.2		12		11.9		10.8		9.5		8.3		7.1		6.6		7.2		8.1		8.9		9.6		10.9

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
km/h		12.9		14		12.6		12.6		11.5		11.5		11.5		11.2		12.2		13.7		14.4		15.1		14

Highest Reported Hourly Wind Speed

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		74.7		46.3		46.5		41.4		43.7		40.1		47.7		38		46.7		62.7		74.7		44.1		43

Highest Reported Wind Gust

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		137.2		116.6		113		109.4		113		122.4		131.4		113		107.6		137.2		114.8		124.2		113

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
Mj/m2		12		19.2		17		13.1		8.6		5.4		4.1		4.8		7.1		11		15.2		18.5		19.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		9.8		8.5		6.3		4.3		3.1		2.5		2.8		3.8		5.8		7.7		9.3		10.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13		17.1		16.7		14.7		11.3		8.5		6.7		7.9		10		13		15.4		17		17.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.6		15.4		14.8		13.2		10.5		7.4		6.2		6.9		9		11.1		13.3		15.3		15.7

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		19.2		17		13.1		8.6		5.4		4.1		4.8		7.1		11		15.2		18.5		19.8

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		9.8		8.5		6.7		4.7		3.4		2.8		3.2		4.3		6.2		7.8		9.4		10.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		19.6		19.4		17.6		13		9.8		8.1		9.5		12.1		15.7		18.8		19.4		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		15		20.2		19.4		16.9		12.3		8.8		7.7		8.5		11.2		14.3		18.6		19.7		22

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		16.6		15.3		11.1		7.2		4.5		3.5		4.1		6		9.1		12.7		16.1		17.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		9.6		8.3		6		3.8		2.7		2.2		2.5		3.4		5.4		7.6		9.1		9.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.9		14.9		14.8		12.2		9.2		6.7		5.4		6.4		8.3		10.4		12.6		14.7		15

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.6		11.3		11.7		10		8.2		5.5		4.7		5.4		7.2		7.8		9		11.2		11.4