TWIZEL, NEW ZEALAND

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.1		15.8		15.7		13.3		9.4		5.5		1.7		1.3		3.6		6.9		9.7		11.7		14

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.5		23		23.3		20.4		16.3		11.5		6.7		6.4		9.5		13.4		16.1		18.4		20.6

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2.6		8.5		8		6.1		2.6		-0.5		-3.4		-3.9		-2.3		0.4		3.2		5		7.3

Highest Recorded Temperature

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33.4		33.3		33.4		29.3		26.2		22		18		18.5		18.4		23.9		26.8		29.5		30.4

Lowest Recorded Temperature

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		---		---		0.2		1.8		---		---		---		---		---		---		---		---

Average Number of Days Above 80F/26C

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28		10.5		9.1		3.1		0.1		---		---		---		---		---		0.1		1.3		3.8

Average Number of Days With Hail

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.7		---		---		0.1		0.1		---		---		0.1		---		---		0.3		---		0.1

Average Rainfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		178.2		15.9		10.4		13.5		16.9		15.3		13.2		14.6		12.4		13.8		16.8		14.1		21.3

Average Number of Rainy Days

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		129.3		10.1		8.3		10.8		9.9		11		10.7		11.9		9.9		11.3		10.8		11.7		12.9

Average Number of Days With Thunderstorms

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.9		0.2		---		0.3		---		0.3		---		0.1		0.2		0.4		0.1		0.1		0.2

Most Rain Reported in a Day

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		63.5		58.6		40		46.5		37.1		35.6		63.5		50.5		40.5		31.1		42.2		34.9		48.4

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

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		86.1		6.9		5.7		7		6.9		7.4		5.9		7.4		6.2		7.8		7.5		7.9		9.5

Most Rain Reported in an Hour

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		20.4		16.4		9.8		8.5		11.4		7.6		7		6		8.7		7		9.3		7.8		20.4

Most Rain Reported in 6 Hours

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		45.4		45.4		33		33.4		34.4		19.1		32.9		20.7		30.3		21.3		26.6		23.6		25.8

Most Rain Reported in 48 Hours

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		83.7		61.7		50.2		49.8		46.7		49.2		68.4		61.5		37.2		34.3		53.5		42.4		83.7

Most Rain Reported in 72 Hours

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		84.7		63.6		57.7		55.7		53.7		55.5		73.9		61.5		37.2		46.8		71.7		47.2		84.7

Most Rain Reported in 1/2 Hour

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		18.2		9.4		5.8		5		7.4		4.1		4.1		3.8		5.1		4.2		6.6		7.8		18.2

Average Number of Days With Snow

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.1		---		---		0.1		0.2		0.5		1.4		2.2		1.3		0.7		0.6		0.1		---

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

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.1		---		---		---		0.1		0.6		1.6		2.5		0.9		0.4		---		---		---

Average Number of Days With Frost

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		129.5		0.1		0.5		1.9		8.6		18.7		25.8		26.3		24		13.9		7		2.1		0.6

Average Morning Relative Humidity

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		77.5		66.8		73.4		77.4		81.4		84.7		88.3		92.9		87.4		74.9		68.2		66.6		68

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3441		77.5		80.6		155		275.9		396.8		514.6		527		455.7		353.4		266.6		204.6		133.3

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		618.1		179.8		161		102.3		---		---		---		---		---		---		---		51		124

Average Vapor Pressure

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		8.3		10.9		11.1		10.9		8.8		6.6		5.3		5.5		6		6.9		8		8.9		10.3

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		15.6		14.4		12.8		11.3		10.1		9.5		9.8		10.9		12.3		13.8		15.3		15.6

Average Number of Days With Fog

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.3		0.5		0.4		1.9		3.7		4.1		5.5		4.2		1.9		0.7		0.6		0.4		0.4

Average Percent of Cloud Cover

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		60		55		55		62.5		62.5		60		58.8		63.8		57.5		57.5		61.3		61.3		65

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		18.5		14.4		9.7		6.2		4.5		5		7.1		10.7		14.8		19		20.3

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		9		7.5		5.6		3.8		2.6		2		2.3		3.4		5		7		8.6		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		18.4		16.5		13.4		10.8		7.9		9		10.1		12.8		15.1		17.4		17.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.8		18.8		18.7		16.6		13.9		11.1		8.6		8.9		9.7		11.7		13.7		16.8		17.2

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		18.5		14.4		9.7		6.2		4.5		5		7.1		10.7		14.8		19		20.3

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		2.6		2		2.3		3.4		5.1		7		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		16.8		21		21.1		21.2		16.2		13		9.4		10.8		13.4		16		17.9		20.2		20.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.5		24		23.8		24.5		18.2		14		10.7		11.3		14.2		16.3		18.3		22.3		24

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.5		18.8		15.4		12.1		7.7		5.1		3.6		4.2		5.7		8.2		12.5		15.7		16.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		8.5		6.9		4.7		3.5		2.4		2		2.2		3.2		4.8		6.7		8.2		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		11.2		16.8		15.1		13.4		9.8		8.1		5.7		6.8		7.6		9.2		12.6		14.4		14.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.5		15.3		12.9		11.9		8.9		7.6		5.5		6.3		6.4		6.9		9.7		11.4		11.6