WESTPORT, NEW ZEALAND

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.6		16.3		16.7		15.3		13.2		11.2		9.3		8.7		9.3		10.7		11.8		13.2		15

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.2		19.9		20.5		19.1		17		15		13.1		12.6		13.1		14.2		15.3		16.7		18.3

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.9		12.6		12.8		11.5		9.4		7.5		5.6		4.8		5.5		7.2		8.3		9.7		11.6

Highest Recorded Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		28.5		28.5		28.3		24.7		24.7		21.4		19		17.8		18.2		19.7		21.3		23.6		25.4

Average Number of Days Above 80F/26C

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.7		0.1		0.5		---		---		---		---		---		---		---		---		---		0.1

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2150		180		150		160		170		160		190		170		180		160		200		170		200

Average Evaporation Rate

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		688.3		85.6		72.9		64.4		43		39.5		36.6		46.8		39.9		43.8		60.5		74.6		80.7

Average Rainfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		568.4		43.8		35.7		37.8		39.5		47.4		63.8		38.5		53.4		51.1		58		46.7		52.9

Average Number of Rainy Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		209		14.4		13.1		15.1		15.3		18.2		19.1		16.6		19.9		20.7		20.4		17.7		18.5

Most Rain Reported in a Day

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		142.2		92.4		93.8		63.2		69.2		83		83.4		67		62.4		72.8		142.2		85		83.6

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

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		173.3		11.6		10.2		12.1		12.1		14.6		17.1		13.5		16.2		17.3		17.6		15.3		15.7

Average Number of Days With Frost

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.3		---		---		---		---		0.1		0.5		0.4		0.2		0.1		---		---		---

Average Relative Humidity

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		82		78		80		81		84		85		85		86		83		79		79		80		80

Average Morning Relative Humidity

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		84.9		83.9		86.5		86.2		86.1		87.2		87.1		84.4		85.6		83.7		84.2		80.9		83.3

Average Dew Point

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10		13		14		13		11		8		6		5		6		8		10		11		12

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2135.9		62		49.6		93		158.1		220.1		279		297.6		279		235.6		201.5		158.1		102.3

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1009.9		195.3		189.3		164.3		96		37.2		---		---		---		21		55.8		96		155

Average Sea Level Pressure

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1015.1		1015.4		1016.1		1016.7		1018.3		1015.6		1014.7		1015.5		1014		1014.8		1014		1013.3		1013.1

Average Vapor Pressure

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		12.4		15.8		16.2		14.5		13.2		11.3		9.6		8.7		9.6		11.1		11.7		12.5		14.4

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 Wind Speed

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		13.1		13		12.2		11.9		11.5		11.9		12.6		12.2		12.6		14.4		15.1		15.1		14.4

Highest Reported Hourly Wind Speed

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		46.8		32		32.5		37.8		37.9		43.6		45.2		35.3		42.5		43		46.8		40.4		37.7

Highest Reported Wind Gust

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		131.4		111.2		103.7		113		103.7		113		131.4		94.7		100.1		103.7		96.5		103.7		100.1

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		117		8.7		8		9.2		7.9		8.6		9.7		8		9.9		11		13.1		12.7		10.2

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

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38.8		1.8		1.3		2.6		3		3.9		4.7		2.8		3.8		4.1		4.9		3.4		2.5

Average Primary Wind Direction

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		198.8		141.5		217.2		177.1		232.9		177.6		248.3		200.3		226		185.1		174.2		222.5		183.1

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

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.3		0.1		0.1		0.3		0.2		0.3		0.4		0.1		0.2		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
Mj/m2		13		21.3		18.6		14.7		10.1		6.9		5.3		6.3		8.4		11.6		14.9		18.7		19.7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		9		7.6		5.8		4		2.8		2.2		2.4		3.5		5.2		7.1		8.7		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		14.6		19.1		18.2		16.6		13.4		11.3		9.8		11.3		11.9		13.8		15.1		17.1		17.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.2		19.4		18.1		16.4		13.7		11.6		10		11.8		12		12.7		13.4		15.8		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		13		21.3		18.6		14.7		10.1		6.9		5.3		6.3		8.4		11.6		14.9		18.7		19.7

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		6		4.2		2.8		2.3		2.6		3.6		5.3		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		17.7		22.3		20.4		20.6		17.4		14.5		11.8		14.4		14.9		16.4		19.3		19.8		20.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		26.4		22		23.1		19.9		16.1		12.6		16.1		16.2		16.6		20.4		20.9		22.7

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		18.4		13.6		12.4		7.8		5.7		3.8		5.2		7.1		9.4		10.6		14.7		15.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		8.2		7.3		5.1		3.5		2.5		2.2		2.2		3.3		4.9		6.6		8.4		9.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.1		16.5		13.1		13.5		9.5		8.6		6.1		8.5		9.4		10.5		10.4		13.4		13.7

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		14.3		9.6		11.7		8.2		8		5.4		8.2		8.6		8.2		6.6		9.6		9.5