BARTON PLAINS, WESTERN AUSTRALIA

Average Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27		29		28		29		27		25		23		22		24		27		29		30		30

Average High Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		34.3		34.1		33.5		34.2		34.4		33.2		31.8		32		33.4		35.3		36.6		37		35.9

Average Low Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		20.6		24.7		24.4		23.8		21.4		17.9		15		13.8		15.5		18.8		22.4		24.6		25

Highest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		42.8		40.9		39.2		38.9		39.9		37.8		36.7		36.8		40		41.2		42.5		42.8		42.3

Lowest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.3		20.6		14.4		13.9		8.3		7		2.4		0.3		3.6		8.2		11.3		17.9		18.2

Average Morning Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		28.6		29.4		28.8		29.2		29		27.2		24.9		24.4		26.2		29.1		31.4		31.9		30.8

Average Afternoon Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		32.2		31.9		31.4		32		32.7		31.9		30.5		30.6		31.5		32.7		33.7		33.8		33

Average Number of Days Above 104F/40C

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.8		0.1		---		---		---		---		---		---		---		0.3		1.2		2.5		0.8

Average Number of Days Above 95F/35C

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		163.7		14.4		10.2		13.5		13.3		7.3		0.9		1.4		7		18.6		26.2		26.9		24.1

Average Number of Days Above 86F/30C

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		340.9		27.8		25.2		29.4		29.2		28.6		24.7		26.6		29.8		29.8		30.4		29.4		30.2

Average Precipitation

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1180		300		290		200		50		10		---		---		---		---		20		80		170

Average Number of Rainy Days

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		81.8		17.9		16.6		14.8		5.9		1.4		0.5		0.4		0.1		0.5		2.7		7.9		12.9

Most Rain Reported in a Day

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		300		210		300		220		100		90		100		100		10		40		70		170		150

Most Rain Reported in a Month

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		810		810		810		600		350		100		130		120		10		60		150		500		390

Least Rain Reported in a Month

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		50		30		10		---		---		---		---		---		---		---		---		30

Average Morning Relative Humidity

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		57		73		77		73		61		51		46		43		44		48		51		56		65

Average Evening Relative Humidity

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		46		62		65		59		45		37		32		28		31		37		44		49		55

Average Morning Dew Point

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.7		24.2		24.3		23.8		20.7		15.9		11.8		9.9		12		16.7		19.8		22		23.4

Average Afternoon Dew Point

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.5		23.8		24.1		23.1		19.3		15.3		11.7		9.7		11.3		16		19.5		21.7		22.9

Average Morning Web Bulb

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22.4		25.6		25.6		25.4		23.4		20.2		17.7		16.7		18.3		21.3		23.6		25		25.6

Average Afternoon Wet Bulb

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.5		26.2		26.1		25.8		23.7		21.6		19.6		19		20		22.2		24.3		25.4		25.9

Cooling Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3514		335.8		290.3		318.6		275		215.3		150		129.2		180.8		250		335.8		366.7		370.3

Growing Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6732.4		594.2		525.8		576.9		525		473.6		400		387.5		439.2		500		594.2		600		620

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		13.2		12.9		12.5		12.1		11.8		11.7		11.8		12		12.4		12.8		13.2		13.3

Average Number of Clear Days

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		136.2		1.5		1.4		3.2		8.9		16.1		19.5		21.6		22.2		18.1		14.5		6.9		2.4

Average Number of Cloudy Days

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		75.3		17.3		15.9		11.3		5.2		3.1		1.5		1.3		0.8		1.9		2.1		4.6		10.3

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.8		22.1		21.2		22.6		21.8		20.8		19.7		20.7		23		25.2		26.5		26.8		23.5

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		8.3		8.3		6.8		5.3		3.7		3.2		3.1		3.7		4.9		6.1		6.7		7.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.7		21.8		20.2		22.5		23.1		23.4		22.9		23.8		25.2		25.7		25.5		26.5		23.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		26.2		19.7		18.4		22.8		25.4		28.5		29		30.1		30.6		29.8		28.9		28.8		22.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.8		22.1		21.2		22.6		21.8		20.8		19.7		20.7		23		25.2		26.5		26.8		23.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.6		8.9		8.9		8.1		6.6		5.1		3.6		4		4.1		5.5		6.9		8.2		8.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		26.1		26.8		24.6		26.6		25.6		24.8		23.9		24.6		26.3		26.5		26.7		28.4		28.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		31		28.9		26.8		30.9		30.3		31.2		31		31.7		32.9		31.5		31.6		32.7		32

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.6		18.5		16.6		15.9		18		17.8		19		19.1		22.2		24		24.7		22.4		17.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		6.8		7.1		5.2		4.2		3.2		2.8		2.8		3.2		4.5		5.5		5.8		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		20.3		18.2		15.9		15.8		18.8		19.7		22		21.7		24.3		24.6		23.9		22.1		17.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.1		13.7		10.9		11.3		17.5		21.1		27.1		26		28.7		27.2		25.4		20.3		12.2