ST. HELENS, TASMANIA

Average Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12		17		17		16		13		11		9		8		9		10		12		14		15

Average High Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.3		22.8		22.9		21.7		19.2		16.5		14.3		13.6		14.4		16		18.1		19.6		21

Average Low Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.4		11.7		11.9		10.6		7.9		5.6		3.7		2.5		3.6		5.1		6.8		8.9		10.6

Highest Recorded Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39.8		39.2		39.8		36.7		28.9		25.1		21		21.6		22.4		25.8		31.8		35.6		37.8

Lowest Recorded Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-4.3		1.1		1.2		0.1		-1.7		-2.9		-4.2		-4.3		-3.3		-2.3		-2.1		0.6		-0.6

Average Morning Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.9		17.8		17.5		16.4		13.4		10.2		7.5		6.6		8.5		11.5		14.1		15.3		16.6

Average Afternoon Temperature

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.7		21.3		21.3		20.1		17.6		15.3		13.1		12.5		13.2		14.6		16.5		17.9		19.2

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
mm		780		50		50		60		60		60		70		70		60		60		60		50		60

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
mm		190		100		150		140		160		100		120		60		110		100		70		60		190

Most Rain Reported in a Month

Years on Record: 107

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		390		270		260		350		250		320		330		180		240		190		180		180		390

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
C		8.1		11.4		12.1		11.4		9.2		6.9		4.9		3.9		4.9		6.3		7.6		8.9		10.4

Average Afternoon Dew Point

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.9		12		12.6		11.9		9.8		8.3		6.8		5.8		5.8		6.8		8.2		9.4		11.1

Average Morning Web Bulb

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.5		14.3		14.5		13.6		11.3		8.6		6.4		5.4		6.9		9		10.9		12		13.3

Average Afternoon Wet Bulb

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.6		16.1		16.3		15.4		13.5		11.8		10.1		9.4		9.8		10.8		12.3		13.3		14.8

Heating Degree Days

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2148.6		34.4		31.4		68.9		150		232.5		291.7		327.2		301.4		241.7		189.4		125		86.1

Growing Degree Days

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1255.4		223.9		204.1		189.4		100		25.8		---		---		---		8.3		68.9		125		172.2

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
Mj/m2		15.9		24.6		21.7		17.2		11.7		8		6.4		7.3		10.4		15		20		23.7		25.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		8.3		7		5.3		3.9		2.7		2.2		2.4		3.3		4.7		6.3		7.9		8.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		22		21.5		19.8		16.2		13.3		12.1		13.3		15.6		18.6		20.8		21.7		22

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.1		25.3		24		21.5		17.1		14.4		13.1		14.5		17.2		20.1		23		24.9		25.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		24.6		21.7		17.2		11.7		8		6.4		7.3		10.4		15		20		23.7		25.3

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		8.8		7.8		5.8		4.1		3		2.4		2.6		3.5		5		6.7		8.6		9.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.3		23.8		24.2		22.5		17.4		15.5		14.7		15.6		18.2		20.6		22.5		23.7		25.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.3		29.8		29.6		26.4		19		17.5		16.6		17.7		21.4		23.3		26.4		29.6		34.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.2		22.9		18.6		15.8		10.5		6.5		5.5		6.7		9.6		13.9		18.6		20.6		21.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.7		7.7		6.1		4.6		3.7		2.5		2		2.2		2.8		4.2		5.8		7.1		7.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.8		20.5		18.2		17.9		13.9		10		9.8		11.6		13.9		16.9		19.1		18.8		18.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16		22		17.7		18.2		14		9.8		10		12.2		14.6		17.2		20		18.7		18