ST. HELENS, TASMANIA

Average Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		54		63		63		61		56		51		47		46		47		50		54		57		60

Average High Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		64		73		73		71		66		61		57		56		57		60		64		67		69

Average Low Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		45		53		53		51		46		42		38		36		38		41		44		48		51

Highest Recorded Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		103		102		103		98		84		77		69		70		72		78		89		96		100

Lowest Recorded Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		24		33		34		32		28		26		24		24		26		27		28		33		30

Average Morning Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55		64		63		61		56		50		45		43		47		52		57		59		61

Average Afternoon Temperature

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		62		70		70		68		63		59		55		54		55		58		61		64		66

Average Number of Days Above 95F/35C

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.8		0.3		0.4		---		---		---		---		---		---		---		---		---		0.1

Average Number of Days Above 86F/30C

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.3		1.9		1.5		0.7		---		---		---		---		---		---		0.1		0.3		0.8

Average Number of Days Below 35F/2C

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59.4		---		0.1		0.3		2.1		6.2		11.6		16.6		11.4		7.3		2.8		0.9		0.2

Average Number of Days Below 32F/0C

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25.1		---		---		---		0.3		1.9		5.7		8.8		5.6		2.1		0.5		---		---

Average Precipitation

Years on Record: 107

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		30		2		2		2		2		2		3		2		2		2		2		2		2

Average Number of Rainy Days

Years on Record: 103

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		142.7		8.7		8.4		10.5		11.3		12.6		14.6		15.2		14.4		12.5		12.4		11.2		10.8

Most Rain Reported in a Day

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7		4		6		5		6		4		4		2		4		4		3		2		7

Most Rain Reported in a Month

Years on Record: 107

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		15		10		10		14		9		12		13		7		9		7		7		7		15

Average Morning Relative Humidity

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		74		67		72		73		77		82		84		84		79		71		66		66		68

Average Evening Relative Humidity

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		61		57		58		60		62		64		67		65		61		60		59		58		60

Average Morning Dew Point

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		46		52		53		52		48		44		40		39		40		43		45		48		50

Average Afternoon Dew Point

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48		53		54		53		49		46		44		42		42		44		46		48		51

Average Morning Web Bulb

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		50		57		58		56		52		47		43		41		44		48		51		53		55

Average Afternoon Wet Bulb

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		54		60		61		59		56		53		50		48		49		51		54		55		58

Heating Degree Days

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3743.5		62		56.5		124		270		418.5		525		589		542.5		435		341		225		155

Growing Degree Days

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2011.8		403		367.3		341		180		46.5		---		---		---		15		124		225		310

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		9.8		10		11		12.3		13.7		15		15.7

Average Number of Clear Days

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		82.7		6.6		6.3		7.3		8.3		7.3		7.4		8.1		8.5		6.7		6.5		4.8		5

Average Number of Cloudy Days

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		108.7		8.2		8.8		10.5		8.8		9.8		9.3		8.3		9.2		7.8		8.5		9.6		10

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		6.8		6		4.8		3.3		2.2		1.8		2		2.9		4.2		5.6		6.6		7

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		2.3		1.9		1.5		1.1		0.8		0.6		0.7		0.9		1.3		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		6.1		6		5.5		4.5		3.7		3.4		3.7		4.3		5.2		5.8		6		6.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.6		7		6.7		6		4.8		4		3.6		4		4.8		5.6		6.4		6.9		7.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		6.8		6		4.8		3.3		2.2		1.8		2		2.9		4.2		5.6		6.6		7

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		2.4		2.2		1.6		1.2		0.8		0.7		0.7		1		1.4		1.9		2.4		2.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		6.6		6.7		6.3		4.8		4.3		4.1		4.3		5.1		5.7		6.3		6.6		7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.8		8.3		8.2		7.3		5.3		4.9		4.6		4.9		5.9		6.5		7.3		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		6.4		5.2		4.4		2.9		1.8		1.5		1.9		2.7		3.9		5.2		5.7		5.9

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		1.7		1.3		1		0.7		0.6		0.6		0.8		1.2		1.6		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		4.4		5.7		5.1		5		3.9		2.8		2.7		3.2		3.9		4.7		5.3		5.2		5.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.5		6.1		4.9		5.1		3.9		2.7		2.8		3.4		4.1		4.8		5.6		5.2		5