ROEBOURNE, WESTERN AUSTRALIA

Average Temperature

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		80		90		89		88		83		75		69		67		70		76		81		86		89

Average High Temperature

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		92		101		100		99		95		86		80		79		83		90		95		100		102

Average Low Temperature

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		68		79		78		77		71		64		59		56		58		62		67		72		76

Highest Recorded Temperature

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		119		119		118		115		110		103		93		91		100		106		113		117		117

Lowest Recorded Temperature

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		39		65		62		66		57		48		45		39		44		46		51		57		62

Average Morning Temperature

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		82		91		89		89		84		76		69		68		72		78		85		90		91

Average Afternoon Temperature

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		90		98		97		97		93		84		78		78		81		87		92		97		98

Average Number of Days Above 104F/40C

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60.4		12.4		9.1		9.1		2		---		---		---		---		0.1		4.9		10.1		12.8

Average Number of Days Above 95F/35C

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		173.1		26.5		21.9		25.6		19.5		2.5		---		---		0.4		6.7		18.9		23.7		27.4

Average Number of Days Above 86F/30C

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		267.5		30.2		27.3		30.5		28.4		18.4		4.5		2.9		11.5		24.2		29.3		29.7		30.7

Average Precipitation

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		12		2		2		2		1		1		1		---		---		---		---		---		---

Average Number of Rainy Days

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21.9		3.3		4.6		3.2		1.4		2.5		2.6		1.5		0.9		0.3		0.3		0.3		1.1

Most Rain Reported in a Day

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		9		8		6		9		5		6		5		2		1		---		1		---		3

Most Rain Reported in a Month

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		21		14		12		16		21		8		12		5		3		1		1		1		5

Average Morning Relative Humidity

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		44		50		56		50		44		46		50		46		40		35		32		34		40

Average Evening Relative Humidity

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		33		39		42		37		33		36		39		33		29		25		26		28		32

Average Morning Dew Point

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55		68		69		65		58		51		48		44		44		47		50		54		61

Average Afternoon Dew Point

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55		67		68		64		57		52		49		44		43		46		51		54		60

Average Morning Web Bulb

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		67		76		76		75		69		63		59		57		59		62		66		70		73

Average Afternoon Wet Bulb

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		70		78		78		77		72		66		63		61		63		66		69		73		76

Cooling Degree Days

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5599		775		678		713		540		310		135		77.5		170.5		330		496		630		744

Growing Degree Days

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10714		1116		1017		1116		990		775		585		542.5		635.5		780		961		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		13.6		13.2		12.6		12		11.5		11.3		11.4		11.8		12.4		13		13.5		13.8

Average Number of Clear Days

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		226.3		13.4		10.3		15.9		15.9		16.5		17.9		22.3		23.6		22.6		25.9		22.7		19.3

Average Number of Cloudy Days

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38.7		5.3		5.7		4.2		3.3		5.7		4.7		2.8		1.9		1.2		0.7		1.2		1.9

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.6		7.8		7.1		6.8		5.8		4.7		4.3		4.8		5.8		7		7.9		8.4		8.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		2		2		1.5		1.3		1.1		1		0.8		0.9		1.1		1.3		1.6		1.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.8		7.1		6.7		6.9		6.5		5.8		5.3		6		6.9		7.5		7.7		7.6		8.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.1		8.4		7.4		7.8		7.4		6.7		6.5		7.5		8.3		9.1		9.6		9.8		9.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.6		7.8		7.1		6.8		5.8		4.7		4.3		4.8		5.8		7		7.9		8.4		8.2

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		2.4		2.3		2		1.5		1.4		1.2		1.3		1.2		1.5		1.8		2		2.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.5		7.6		7.6		7.5		7.4		6.9		6.2		6.6		7.4		8		7.9		7.8		8.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		9.4		9.7		9.4		9.1		9.1		8.7		8.2		8.6		9.3		10.1		10.1		10.4		10.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		6.8		6		5.7		5.2		3.9		3.6		3.8		5.2		6.1		7		7.5		7.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.1		1.7		1.5		1.3		0.9		0.7		0.7		0.6		0.7		0.8		1.2		1.4		1.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		6.2		5.7		5.7		5.8		4.5		4.3		4.6		6		6.5		6.8		6.9		7.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.2		6.3		5.4		5.5		6.1		4.5		4.7		4.9		6.7		7.1		7.6		8		7.8