ALTONA, VICTORIA

Average Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14		19		19		18		14		12		9		9		10		11		13		15		17

Average High Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.5		25.5		25.3		23.5		20.1		16.7		14.1		13.5		14.8		16.7		19		21.2		23.6

Average Low Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.1		13.5		14		12.5		9.8		7.7		5.7		4.9		5.4		6.5		8.2		9.9		11.9

Highest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		45		44.9		45		41.4		34.1		27.3		24.3		23.5		26.4		31.1		35.7		38.6		41.8

Lowest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-4.4		5.7		5		3.4		0.6		-0.9		-3.3		-4.4		-3.7		-1.7		0.1		0.8		3.6

Average Morning Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.7		19		18.6		17.5		14.3		11.1		8.4		7.7		9.1		11.6		14.1		15.8		17.8

Average Afternoon Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.1		23.7		23.7		22.1		18.9		15.7		13.2		12.6		13.7		15.5		17.4		19.6		21.8

Average Number of Days Above 104F/40C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1		0.5		0.3		0.1		---		---		---		---		---		---		---		---		0.1

Average Number of Days Above 95F/35C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.3		3.5		2.2		0.6		---		---		---		---		---		---		0.1		0.4		1.6

Average Number of Days Above 86F/30C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25.4		6.8		5.7		4.4		0.5		---		---		---		---		---		0.6		2.3		4.8

Average Number of Days Below 35F/2C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18.5		---		---		---		0.1		1.3		4.1		5.8		4.2		2.3		0.6		0.1		---

Average Number of Days Below 32F/0C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		---		---		---		---		0.2		1.5		1.9		1.1		0.3		---		---		---

Average Precipitation

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		560		40		40		30		40		50		30		40		40		50		60		50		40

Average Number of Rainy Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		145.9		7.3		7.1		8.8		11.2		14.3		14.4		15.6		15.8		14.9		14.2		12.2		10.1

Most Rain Reported in a Day

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		180		90		90		50		180		40		20		40		30		30		50		50		50

Most Rain Reported in a Month

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		270		140		270		120		190		120		90		110		80		120		160		130		110

Average Morning Relative Humidity

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72		61		67		68		73		82		85		83		79		73		67		64		62

Average Evening Relative Humidity

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		55		45		48		49		54		62		67		64		60		56		55		51		47

Average Morning Dew Point

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.6		11.2		12.2		11.4		9.6		8		6.1		5.1		5.7		6.9		7.9		8.8		10.1

Average Afternoon Dew Point

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.6		10.8		11.9		10.8		9.3		8.3		7		5.9		5.8		6.8		7.9		8.9		9.8

Average Morning Web Bulb

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.1		14.8		15.1		14.1		11.8		9.6		7.3		6.5		7.5		9.4		11		12.3		13.7

Average Afternoon Wet Bulb

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.1		16.6		17		15.9		13.8		12		10.2		9.4		10		11.2		12.6		14		15.3

Heating Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1643.1		---		---		17.2		108.3		198.1		258.3		292.8		266.9		208.3		155		91.7		25.8

Cooling Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		57.2		25.8		31.4		---		---		---		---		---		---		---		---		---		---

Growing Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1715.9		284.2		266.8		241.1		141.7		60.3		---		---		---		41.7		103.3		158.3		232.5

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		13.9		12.7		11.5		10.6		10.1		10.3		11.2		12.3		13.5		14.7		15.3

Average Daily Sunshine

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		6.2		8.5		8.3		6.7		5.6		4.3		4		4.4		5.2		5.6		6.7		7.3		8

Average Number of Clear Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		35.7		4.8		4.5		4.1		3.3		2.2		2		2.2		2.3		2.7		2.5		1.9		3.3

Average Number of Cloudy Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		126.4		8.5		7.5		9.7		10.9		13.4		11.5		10.4		10		10		12.2		11.6		10.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		23		21.1		16.5		11.7		8.1		6.4		7.1		9.6		12.9		17.2		20.8		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		5.9		8.9		7.5		5.9		4.4		3.2		2.7		3		4		5.5		7.2		8.7		9.3

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		20.6		20.6		18.2		15.3		12.1		10.5		10.9		12.7		14.8		17.4		19		19.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16		21.6		21.7		18.4		15.3		12.5		10.7		11		12.6		13.6		16.3		18.6		20.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		23		21.1		16.5		11.7		8.1		6.4		7.1		9.6		12.9		17.2		20.8		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		6.1		9.2		8.1		6.3		4.6		3.4		2.8		3		4.1		5.7		7.5		9		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		18.7		22.5		24		22.6		18.1		14.9		13.2		12.8		15.3		16.3		20.3		21.1		22.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.7		25.8		28.5		26.1		19.4		16.4		14.5		13.6		16.6		15.9		21.6		22.9		27.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.7		20.7		18.1		14.6		9.8		6.7		5.6		5.9		8.4		10.4		14.7		18.2		19.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		8.3		6.4		4.9		4		3		2.5		2.8		3.6		5.4		6.7		8.2		8.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.4		18.5		17.6		15.7		12.1		9.4		8.6		8.6		10.7		11.4		14.6		16.7		17.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.9		17.4		15.9		14.4		10.7		8.6		8.1		7.9		9.7		8.8		11.7		14.2		15.2