WILLIAMSDALE, NEW SOUTH WALES

Average Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10		17		17		14		10		7		4		3		5		7		10		13		15

Average High Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.2		24.9		24.9		21.8		17.4		13.2		10.3		9.5		11.1		13.7		17.2		19.9		23.4

Average Low Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.1		10.2		10.4		8.1		4.1		1.4		-1.3		-2.2		-0.8		1.4		4.1		6.4		8.3

Highest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38.3		38.3		37.2		35		27.8		22.2		16.7		17.7		21.3		25.8		28		33.8		34.5

Lowest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-11		-1		-0.6		-3		-5.5		-7.5		-9		-11		-9.5		-7.8		-5.5		-3.7		-1

Average Morning Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.2		16.7		15.9		14.8		10.4		6.3		3		2.2		4.5		8.3		12.1		13.4		16

Average Afternoon Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.9		23.4		23.2		20.3		15.9		12.3		9		8.3		9.9		12.5		15.6		18.6		22.2

Average Number of Days Above 95F/35C

Years on Record: 18

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

Average Number of Days Above 86F/30C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.5		5.1		4.5		0.9		---		---		---		---		---		---		---		0.6		2.4

Average Number of Days Below 35F/2C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		143.1		0.8		0.5		2.4		11.1		18.4		24.1		26.7		24.3		17.6		10.9		4.7		1.7

Average Number of Days Below 32F/0C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		100.1		0.1		0.1		0.8		6.4		12.5		20.1		21.9		18.8		12.2		5.2		1.6		0.2

Average Precipitation

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		860		80		70		70		70		60		40		50		70		80		90		70		50

Average Number of Rainy Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		124.5		9		8.8		9.5		8.7		10.7		10.2		9.9		13.1		13.2		11.8		11.2		8.3

Most Rain Reported in a Day

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		110		70		80		110		110		100		30		60		70		40		110		50		60

Most Rain Reported in a Month

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		360		360		210		230		290		200		100		120		230		180		220		150		130

Average Morning Relative Humidity

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		70		66		73		69		75		78		81		79		73		65		59		64		59

Average Evening Relative Humidity

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		49		40		45		49		53		55		59		54		51		49		47		46		36

Average Morning Dew Point

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.8		10.1		10.9		8.9		6.2		2.8		0.1		-1.1		0.1		2.2		4.4		6.6		7.8

Average Afternoon Dew Point

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.7		8.9		10		8.8		6.1		3.5		1.2		-0.3		0.3		1.9		4.1		6.3		6

Average Morning Web Bulb

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.7		13.2		13.2		11.9		8.4		4.9		1.9		1		2.8		5.7		8.5		10.1		11.9

Average Afternoon Wet Bulb

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.4		15.7		16.1		14.1		11.2		8.4		5.8		4.9		6		7.9		10.2		12.5		14.1

Heating Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2972.1		34.4		31.4		111.9		233.3		353.1		425		456.4		421.9		333.3		249.7		166.7		86.1

Growing Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		993		223.9		204.1		146.4		16.7		---		---		---		---		---		8.6		83.3		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		14.7		13.8		12.7		11.6		10.7		10.3		10.5		11.3		12.3		13.4		14.5		15

Average Number of Clear Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		76.3		6.7		4.5		5.5		7.1		6.7		6.7		7.7		6.8		6.8		5.5		4.8		7.6

Average Number of Cloudy Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		86.3		7.2		7.5		7.8		7.1		9.1		6.7		6.9		6.1		7.1		7.9		6.9		6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		24.6		21.7		18.3		13.4		9.8		8.1		8.9		11.8		15.9		20.2		23		24.9

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		8.5		7.5		5.8		4.3		3.2		2.7		2.9		3.8		5.2		6.8		8.3		8.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		21.9		21.1		20.1		17.4		14.6		13.2		14		15.9		18.6		20.3		21		21.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.7		24.2		22.3		21.3		18		15.9		14.4		15.3		17.3		19.2		21.5		22.3		24

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		24.6		21.7		18.3		13.4		9.8		8.1		8.9		11.8		15.9		20.2		23		24.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		9.3		8.2		6.6		4.8		3.5		3		3.2		4.1		5.7		7.4		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		21.3		24.8		23.7		22.7		21.3		16.5		16.7		16.8		19.3		20.8		23.9		24.6		24.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.2		31.1		27.5		25.9		24.3		18.9		19.7		19.6		22.9		23		28.7		30.5		30

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		20.6		18.1		14.2		10.8		8.5		6.7		7.8		10.4		14		17.8		19.1		20.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		7.3		6.7		5.1		3.5		2.9		2.3		2.5		3.1		4.7		5.6		7		7.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.1		18.5		17.5		15		13.3		12		10.2		11.6		13.4		15.8		17.6		17.5		18.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14		16.9		15.5		13		12		12		10.1		11.8		13.4		14.8		16.6		15.3		16.2