BLENHEIM, NEW ZEALAND

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.6		18		17.6		16.3		13.3		10.1		7.5		7		8.2		10.3		12.4		14.4		16.5

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.2		23.9		23.6		21.8		18.9		15.6		13.1		12.5		13.6		15.7		18.1		20		22

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7		12.1		11.6		10.8		7.8		4.6		2		1.5		2.8		4.9		6.7		8.8		10.9

Highest Recorded Temperature

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37.8		36.3		37.8		32.3		27.9		23.8		21.8		18.8		20		27.6		28		32.6		32.7

Average Number of Days Above 80F/26C

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		34.3		11.7		9.4		4.8		0.7		---		---		---		---		0.1		0.9		1.8		4.9

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		720		50		50		40		50		70		60		60		60		60		70		50		50

Average Number of Days With Hail

Years on Record: 23

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

Average Rainfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		201.1		16.1		10		15.6		18.9		20		16.1		19.4		20.3		16.7		18.1		14.7		15.3

Average Number of Rainy Days

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		107.8		7.2		5		8.3		8.2		8.8		9.3		10.5		11.3		10.9		10.5		9.3		8.5

Average Number of Days With Thunderstorms

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2		0.7		0.3		0.2		---		0.1		---		---		---		0.1		---		0.2		0.4

Most Rain Reported in a Day

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		85.1		81.6		65.2		45.5		85.1		69.6		58.4		67.8		50.1		35.9		56.1		49.5		68.5

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		80.5		5.3		4.3		6.1		5.9		7.1		6.5		7.7		8.3		8		8		6.6		6.7

Most Rain Reported in an Hour

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		21		21		8.2		15.9		13.7		8		10.6		10.3		6.6		10.3		7.1		12.6		11.3

Most Rain Reported in 6 Hours

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		59		59		25		23.3		41		22.4		32.1		39		28.2		19.2		26.1		24.6		45.4

Most Rain Reported in 48 Hours

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		96.4		83.9		47		60.9		90.5		74.9		83.3		88.7		55		55.8		65.3		46.2		96.4

Most Rain Reported in 72 Hours

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		97		86.1		47		66.1		90.5		75		88.4		90		55		65.7		80.7		46.6		97

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		15.3		14.8		4.6		15.3		9.8		5.3		6.4		7.5		4		6.5		5.7		11.5		8

Average Number of Days With Snow

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		---		---		---

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

Years on Record: 16

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

Average Number of Days With Frost

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38.6		---		---		---		0.3		3.4		11.2		12.9		7.2		2.4		1.1		0.1		---

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72		63		65		71		76		80		81		83		80		73		68		63		63

Average Morning Relative Humidity

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		75.4		68.3		72.9		74.5		77.9		81.8		83.4		84.1		81.5		73.7		71.7		68		67.5

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6		8		9		8		7		5		3		3		3		4		5		5		6

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2108		9.3		21.7		62		155		254.2		334.8		350.3		313.1		248		182.9		120.9		55.8

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1177		248		214.7		195.3		99		3.1		---		---		---		9		74.4		132		201.5

Average Sea Level Pressure

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1014.3		1013.5		1015.6		1016.4		1017.3		1015.4		1014.9		1014		1014		1013.7		1012.8		1012.5		1011.3

Average Vapor Pressure

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		10.5		13.5		13.5		12.9		11.1		9.2		7.5		7.2		8		9.2		10.1		11.1		12.6

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		15.3		14.2		12.8		11.4		10.3		9.7		10		11		12.3		13.7		15		15.7

Average Monthly Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		2341		250		192		194		184		158		145		156		173		193		231		232		233

Average Number of Days With Fog

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.4		0.7		0.8		0.3		0.4		0.6		0.3		0.5		0.4		0.3		0.2		0.5		0.4

Average Percent of Cloud Cover

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		55.5		57.5		52.5		60		53.8		53.8		52.5		51.3		55		55		53.8		58.8		62.5

Highest Reported Wind Gust

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		118.4		90.7		118.4		90.7		111.2		98.3		105.5		101.9		113		98.3		100.1		107.6		111.2

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

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		157.6		20		15.1		14.1		10.4		10.2		7		7.7		7.9		13.9		16		16		19.3

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		50.2		6.6		4.7		2.5		3.4		3.3		2.2		2.1		2.7		4.3		6.5		6.4		5.5

Average Primary Wind Direction

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		280.8		287.9		295		285		279.3		273.1		261.4		257.3		272.9		272.1		288.6		286.9		310

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.2		---		0.1		---		0.1		0.2		---		0.1		0.1		0.2		0.2		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
Mj/m2		14.6		22.9		19.9		16		11.2		7.7		6		6.7		9.4		13.4		17.8		21.2		22.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		8.7		7.3		5.5		3.8		2.6		2.1		2.3		3.4		4.9		6.7		8.4		9.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.6		20.4		19.7		18.4		15.4		13.5		11.9		12.5		13.9		16.4		18.4		19.5		19.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.6		22.3		20.8		19.3		16.7		14.6		12.7		13.4		14.8		16.7		18.8		20.4		20.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.6		22.9		19.9		16		11.2		7.7		6		6.7		9.4		13.4		17.8		21.2		22.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		9.3		7.9		5.9		4.2		2.8		2.3		2.5		3.5		5.2		7.2		8.8		9.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.5		22.8		22.5		21.4		19.4		15.2		14.1		15.4		16.8		19.3		21.2		24		22.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.8		27.4		26.2		24.4		23.1		17.1		15.8		17.5		19.1		21.2		23.9		30.3		26.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.2		19		16.1		14.3		9.2		6.8		5.3		5.8		8.5		11.7		14.9		16.8		18.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		8.1		6.7		4.9		3.1		2.5		1.9		2		3		4.4		6.2		7		8.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		17		15.6		15.9		12		11.1		9.6		10		12.2		13.9		15		15.4		16

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.6		15.3		13.4		15.4		11.3		11.3		9.8		10		12.3		12.8		13.1		12.7		13.3