WILUNA, WESTERN AUSTRALIA

Average Temperature

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21		30		29		26		22		16		13		12		14		18		21		25		28

Average High Temperature

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		29		37.7		36.6		34.1		29.1		23.6		19.7		19.1		21.6		26.2		30		33.9		36.8

Average Low Temperature

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.2		22.8		22.1		19.6		14.9		9.9		6.8		5.3		6.7		9.9		13.6		17.8		21.1

Highest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		46.9		46.9		46.8		43.4		40		37.2		32.2		28.9		33.4		37.5		41.2		43.3		46.9

Lowest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2.2		8.3		12.1		9.4		3.9		-0.6		-1.1		-2.2		-1.7		1.2		4.2		4.4		8.3

Average Morning Temperature

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21.3		30		28.6		26.2		21.6		16.3		12.5		11.6		13.9		18.3		22.3		26.5		29.2

Average Afternoon Temperature

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		28		36.5		35.4		33		28.3		22.8		19		18.4		20.9		25.4		29		32.8		35.4

Average Number of Days Above 104F/40C

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30.5		12.4		6.4		3		---		---		---		---		---		---		0.2		1.9		6.6

Average Number of Days Above 95F/35C

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		104.9		25.5		18.7		15.1		3.2		0.1		---		---		---		0.4		6.2		13.2		22.5

Average Number of Days Above 86F/30C

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		174.7		29.2		25.1		25.3		14.4		2.7		0.1		---		0.7		6.9		17.4		24.4		28.5

Average Number of Days Below 35F/2C

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.4		---		---		---		---		0.5		2.2		5.7		2.9		0.1		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.2		---		---		---		---		---		0.4		1.3		0.4		---		---		---		---

Average Precipitation

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		240		30		30		30		20		20		20		10		10		---		---		---		10

Average Number of Rainy Days

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40		3.9		3.9		4.3		3.5		4		5		3.8		2.9		1.6		1.6		2.3		3.2

Most Rain Reported in a Day

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		120		80		120		70		50		60		60		70		40		20		70		30		110

Most Rain Reported in a Month

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		520		230		270		230		520		140		100		140		60		70		80		60		160

Average Morning Relative Humidity

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		43		31		37		39		46		55		65		62		51		38		32		28		29

Average Evening Relative Humidity

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		26		20		24		25		29		34		41		37		29		22		18		17		18

Average Morning Dew Point

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.2		8.9		11.6		9.8		8.8		6.1		5.7		3.8		3		3		3.2		5.3		7.8

Average Afternoon Dew Point

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.6		7.2		10.2		8.4		7.7		4.6		4.6		2.6		1.5		0.6		0.4		2.8		5.5

Average Morning Web Bulb

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14		19.2		19.1		17.7		14.9		11.5		9.1		8.2		9.3		11.6		13.8		16.3		18.3

Average Afternoon Wet Bulb

Years on Record: 80

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.6		21.2		21.3		20		17.5		14.4		12.1		11.4		12.5		14.7		16.4		18.5		20.2

Heating Degree Days

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		571.2		---		---		---		---		60.3		158.3		198.1		137.8		16.7		---		---		---

Cooling Degree Days

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1920		361.7		298.2		258.3		100		---		---		---		---		---		103.3		225		318.6

Growing Degree Days

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4599.5		620		533.6		516.7		350		198.1		91.7		60.3		120.6		233.3		361.7		475		576.9

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		14		13.4		12.6		11.8		11.2		10.9		11.1		11.6		12.3		13.1		13.8		14.2

Average Number of Clear Days

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		172.2		11.5		10.7		12.2		10.5		13.3		12.7		16.3		18.2		19.4		19.2		14.6		13.7

Average Number of Cloudy Days

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		50.4		3.6		5.2		5.1		6		5.5		6.4		5.4		3.1		1.6		2		3.1		3.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.3		27.5		24.5		21.3		17		14.3		12.7		14.2		18		22.9		26.2		28.1		28.4

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		7.5		7.1		6		4.8		3.6		3.1		3		3.3		3.9		5.4		6.7		7.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.5		24.6		23.3		22.3		20		18.3		17.5		19.1		22.9		25.6		25.7		25.5		24.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		26.3		29		25.6		23.9		21.2		21.5		20.9		23.3		26.9		30.7		30.9		31.1		30.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.3		27.5		24.5		21.3		17		14.3		12.7		14.2		18		22.9		26.2		28.1		28.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.3		8.9		8.4		7.1		5.5		4.5		4		4.1		4.3		4.6		7.1		8.3		8.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.4		26.9		26.8		25.9		24.6		22		20.7		21.9		25.5		27.2		28		28		27.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		32.2		34.7		32.9		30.9		29.3		28		26.5		28.4		31.6		33.9		36		37.4		37

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		23.3		19.9		17.7		14.5		11.4		9.8		11.3		15.7		21.6		22.4		24.1		25.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4		6.4		5.7		4.7		3.5		2.5		2.3		2.2		2.5		3.2		4.3		5.3		6.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.8		21.1		19		18.2		16.6		13.9		12.4		14.3		19.4		23.9		21.9		22		22.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.2		20.8		17		16.6		15.7		14		12.5		15.1		21		27.4		22.9		22.9		24.7