BARTON PLAINS, WESTERN AUSTRALIA

Average Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		81		84		83		83		81		77		74		72		75		80		84		87		86

Average High Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		93		93		92		93		93		91		89		89		92		95		97		98		96

Average Low Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		69		76		75		74		70		64		59		56		59		65		72		76		77

Highest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		109		105		102		102		103		100		98		98		104		106		108		109		108

Lowest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		32		69		57		57		46		44		36		32		38		46		52		64		64

Average Morning Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		83		84		83		84		84		80		76		75		79		84		88		89		87

Average Afternoon Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		89		89		88		89		90		89		86		87		88		90		92		92		91

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
in		46		11		11		8		2		---		---		---		---		---		1		3		6

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
in		11		8		11		8		4		3		4		4		---		1		3		6		5

Most Rain Reported in a Month

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		31		31		31		23		14		4		5		4		---		2		5		19		15

Least Rain Reported in a Month

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		2		1		---		---		---		---		---		---		---		---		---		1

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
F		65		75		75		74		69		60		53		49		53		62		67		71		74

Average Afternoon Dew Point

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		65		74		75		73		66		59		53		49		52		60		67		71		73

Average Morning Web Bulb

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		72		78		78		77		74		68		63		62		64		70		74		77		78

Average Afternoon Wet Bulb

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		74		79		78		78		74		70		67		66		68		71		75		77		78

Cooling Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5792.1		604.5		522.6		573.5		495		387.5		270		232.5		325.5		450		604.5		660		666.5

Growing Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11225.4		1069.5		946.4		1038.5		945		852.5		720		697.5		790.5		900		1069.5		1080		1116

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
kWh/m2		6.3		6.1		5.9		6.3		6.1		5.8		5.5		5.7		6.4		7		7.4		7.4		6.5

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		2.3		2.3		1.9		1.5		1		0.9		0.9		1		1.4		1.7		1.9		2.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.6		6.1		5.6		6.3		6.4		6.5		6.4		6.6		7		7.2		7.1		7.4		6.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.3		5.5		5.1		6.3		7.1		7.9		8.1		8.4		8.5		8.3		8		8		6.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.3		6.1		5.9		6.3		6.1		5.8		5.5		5.7		6.4		7		7.4		7.4		6.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.8		2.5		2.5		2.3		1.8		1.4		1		1.1		1.2		1.5		1.9		2.3		2.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.3		7.4		6.8		7.4		7.1		6.9		6.7		6.8		7.3		7.4		7.4		7.9		7.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.6		8		7.4		8.6		8.4		8.7		8.6		8.8		9.2		8.7		8.8		9.1		8.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.5		5.1		4.6		4.4		5		4.9		5.3		5.3		6.2		6.7		6.9		6.2		4.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		1.9		2		1.5		1.2		0.9		0.8		0.8		0.9		1.3		1.5		1.6		1.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		5.1		4.4		4.4		5.2		5.5		6.1		6		6.7		6.8		6.6		6.1		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		5.6		3.8		3		3.1		4.9		5.9		7.5		7.2		8		7.6		7.1		5.6		3.4