ALTONA, VICTORIA

Average Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		57		66		67		64		58		53		49		48		49		52		56		59		63

Average High Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		67		77		77		74		68		62		57		56		58		62		66		70		74

Average Low Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48		56		57		54		49		45		42		40		41		43		46		49		53

Highest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		113		112		113		106		93		81		75		74		79		87		96		101		107

Lowest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		24		42		41		38		33		30		26		24		25		28		32		33		38

Average Morning Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		56		66		65		63		57		51		47		45		48		52		57		60		64

Average Afternoon Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		64		74		74		71		66		60		55		54		56		59		63		67		71

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
in		22		1		1		1		1		2		1		1		1		2		2		2		1

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
in		7		3		3		2		7		1		1		1		1		1		2		2		2

Most Rain Reported in a Month

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		10		5		10		4		7		4		3		4		3		5		6		5		4

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
F		47		52		53		52		49		46		42		41		42		44		46		47		50

Average Afternoon Dew Point

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		47		51		53		51		48		46		44		42		42		44		46		48		49

Average Morning Web Bulb

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		51		58		59		57		53		49		45		43		45		48		51		54		56

Average Afternoon Wet Bulb

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55		61		62		60		56		53		50		48		50		52		54		57		59

Heating Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2920.5		---		---		31		195		356.5		465		527		480.5		375		279		165		46.5

Cooling Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		103		46.5		56.5		---		---		---		---		---		---		---		---		---		---

Growing Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2753.8		511.5		480.3		434		255		108.5		---		---		---		75		186		285		418.5

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
kWh/m2		4.1		6.4		5.9		4.6		3.3		2.3		1.8		2		2.7		3.6		4.8		5.8		6.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		2.5		2.1		1.7		1.2		0.9		0.8		0.8		1.1		1.5		2		2.4		2.6

Average 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		5.7		5.1		4.3		3.4		2.9		3		3.5		4.1		4.8		5.3		5.5

Average 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		6		5.1		4.2		3.5		3		3.1		3.5		3.8		4.5		5.2		5.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		6.4		5.9		4.6		3.3		2.3		1.8		2		2.7		3.6		4.8		5.8		6.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		2.6		2.2		1.8		1.3		0.9		0.8		0.8		1.1		1.6		2.1		2.5		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		5.2		6.3		6.7		6.3		5		4.1		3.7		3.6		4.3		4.5		5.6		5.9		6.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.8		7.2		7.9		7.2		5.4		4.6		4		3.8		4.6		4.4		6		6.4		7.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		5.7		5		4.1		2.7		1.9		1.6		1.7		2.3		2.9		4.1		5.1		5.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		2.3		1.8		1.4		1.1		0.8		0.7		0.8		1		1.5		1.9		2.3		2.4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		5.2		4.9		4.4		3.4		2.6		2.4		2.4		3		3.2		4.1		4.6		4.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		4.8		4.4		4		3		2.4		2.3		2.2		2.7		2.4		3.3		3.9		4.2