THORNTON, NEW ZEALAND

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		57.2		66		66.6		63.1		58.1		53.2		49.1		48		49.5		52.9		56.1		59.5		63.5

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		66.4		75.2		75.6		72.9		68		63		58.6		57.6		59		61.9		64.9		68.5		72.1

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		47.8		56.8		57.4		53.6		48		43.5		39.4		38.5		39.9		43.7		47.3		50.7		54.9

Highest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		91.6		91.6		88.3		82.9		77.5		73.4		66.7		66		67.8		75.4		79.2		89.8		89.8

Lowest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		24.6		38.3		38.3		34.2		30		29.1		24.6		25.5		26.6		29.7		29.7		34.2		39.2

Average Number of Days Above 80F/26C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.1		7.4		9.1		3.2		0.1		---		---		---		---		---		0.1		1		3.2

Average Evaporation Rate

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		37		5.3		4.5		3.8		2.1		1.6		1.3		1.6		1.6		2.1		3.4		4.5		5.1

Average Rainfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		13		0.8		0.9		0.9		1.1		1.2		1.4		1.4		1.2		1		1.1		0.8		1

Average Number of Rainy Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		140		9.4		8.5		9.6		10.4		12.6		13.7		13.6		14		13.2		12.4		11.6		11

Most Rain Reported in a Day

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.7		2.3		4.7		2.2		3.6		6		6.7		5.6		3.4		3		4		2.9		4.4

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

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		103.2		6.8		6.6		7.5		7.8		9		10.2		10.4		10.4		9.5		9.3		7.6		8.1

Average Number of Days With Frost

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12.4		---		---		---		0.1		0.5		4.2		4.5		2.6		0.4		0.1		---		---

Average Morning Relative Humidity

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		82.7		76.8		80.9		82.7		85.6		89		90		89		86.9		81.7		79.7		73.8		75.7

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2966.6		---		---		58.9		207		365.8		477		527		480.5		363		275.9		165		46.5

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		76.2		31		45.2		---		---		---		---		---		---		---		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2692.9		496		469		406.1		243		99.2		---		---		---		87		189.1		285		418.5

Average Sea Level Pressure

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
InHg		30		30		30		30		30.1		30		30		30		30		30		30		30		30

Average Vapor Pressure

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
InHg		0.4		0.5		0.5		0.5		0.4		0.4		0.3		0.3		0.3		0.3		0.4		0.4		0.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		14.9		14		12.7		11.5		10.6		10.1		10.3		11.2		12.3		13.5		14.7		14.9

Average Wind Speed

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		8.3		8.5		8.3		7.8		7.1		7.4		7.4		7.4		7.8		8.5		9.6		9.6		9.4

Highest Reported Hourly Wind Speed

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		27.6		24.4		23.1		22.5		22.7		22.1		21.6		24.9		27.6		23.7		22.8		25		22.2

Highest Reported Wind Gust

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		65.6		46.1		53		56.4		57.5		55.2		65.6		58.8		51.9		57.5		57.5		57.5		58.8

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

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		106.2		7.8		6.2		6.6		6.3		8.1		9.4		8		10.2		9.1		12.6		12.1		9.8

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

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.3		0.9		0.9		1.2		1.4		2.3		2.6		2.6		2.1		2.8		2.7		2.3		1.5

Average Primary Wind Direction

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		202.6		201.6		245.4		185		185.6		167.6		185.7		216		211.3		170		199.9		234.7		228.1

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

Years on Record: 16

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

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.7		7.2		6.3		5.2		3.8		2.7		2.2		2.4		3.2		4.5		5.7		6.6		7.3

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		2.2		2		1.5		1.1		0.8		0.7		0.7		1		1.4		1.8		2.2		2.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.3		6.4		6.1		5.8		5.1		4.2		3.8		4		4.5		5.4		5.9		6.1		6.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		7.6		6.8		6.4		5.5		4.7		4.2		4.4		5		5.8		6.4		6.8		7.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.7		7.2		6.3		5.2		3.8		2.7		2.2		2.4		3.2		4.5		5.7		6.6		7.3

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		2.2		1.7		1.2		0.9		0.8		0.8		1		1.5		2		2.4		2.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		7		7		6.8		5.8		5		4.7		4.7		5.1		6		6.7		6.7		7.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.3		9.1		8.6		8.2		6.6		6		5.5		5.5		5.9		6.9		8.2		8.2		9.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		5.9		5.3		4.5		3.3		2.4		1.8		1.9		3		4		4.8		5.8		6.1

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		1.7		1.2		0.9		0.7		0.6		0.6		0.9		1.2		1.5		2		2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.5		5.3		5.2		5		4.3		3.6		3		2.9		4.1		4.7		4.8		5.3		5.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		5.1		5		4.9		4.3		3.8		3.1		2.9		4.3		4.6		4.5		5.1		5.3