DONNYBROOK, WESTERN AUSTRALIA

Average Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		61		71		71		68		62		56		53		51		52		54		57		63		67

Average High Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		73		86		86		82		75		67		63		61		62		65		69		76		82

Average Low Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		49		56		57		54		50		46		43		42		42		44		46		50		53

Highest Recorded Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		110		110		110		104		95		84		83		74		77		86		95		100		108

Lowest Recorded Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		26		38		40		37		31		30		28		26		29		29		32		35		38

Average Morning Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		60		71		70		67		60		54		51		49		51		55		60		64		69

Average Afternoon Temperature

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		71		85		84		80		72		65		61		59		60		63		68		73		80

Average Number of Days Above 104F/40C

Years on Record: 35

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

Average Number of Days Above 95F/35C

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17.9		6.4		5.5		2.3		---		---		---		---		---		---		---		0.4		3.1

Average Number of Days Above 86F/30C

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		62.2		17.3		15.4		10.7		2.1		---		---		---		---		---		0.9		4.4		11.4

Average Number of Days Below 35F/2C

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.3		---		---		---		0.2		0.6		2.5		3.9		3.1		1.9		0.9		0.1		---

Average Number of Days Below 32F/0C

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2		---		---		---		0.1		0.1		0.5		0.5		0.5		0.2		0.1		---		---

Average Precipitation

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		39		---		---		1		1		5		7		7		5		3		2		1		---

Average Number of Rainy Days

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		136		3.1		3.3		4.7		8.7		15.3		18.8		21.2		19.6		16.1		12.6		8.1		4.6

Most Rain Reported in a Day

Years on Record: 90

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4		4		2		2		4		4		3		2		2		2		1		1		1

Most Rain Reported in a Month

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		17		5		3		4		6		11		17		15		13		9		6		4		2

Least Rain Reported in a Month

Years on Record: 96

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

Average Morning Relative Humidity

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		64		50		53		57		67		76		79		79		75		69		60		54		50

Average Evening Relative Humidity

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		46		31		33		35		46		56		61		60		55		51		46		40		34

Average Morning Dew Point

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		49		53		53		52		51		48		46		44		44		46		47		48		51

Average Afternoon Dew Point

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48		51		51		50		50		49		48		46		44		45		46		47		49

Average Morning Web Bulb

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		53		60		60		58		55		50		48		46		47		50		53		55		58

Average Afternoon Wet Bulb

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		59		66		65		63		60		57		54		52		52		54		56		59		63

Heating Degree Days

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2127.5		---		---		---		75		263.5		360		418.5		403		315		232.5		60		---

Cooling Degree Days

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		540.1		186		183.6		93		---		---		---		---		---		---		---		---		77.5

Growing Degree Days

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3891.4		651		607.4		558		375		201.5		90		46.5		62		135		232.5		390		542.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		14.5		13.7		12.7		11.7		10.8		10.4		10.6		11.3		12.3		13.4		14.3		14.8

Average Number of Clear Days

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		88.5		14.8		12.7		10.6		6.6		4.3		4.2		3.5		4.3		4.7		5.6		6.4		10.9

Average Number of Cloudy Days

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		116.9		5.1		5.4		7.1		11.5		13		12.6		13.3		11.7		11		11.2		8.9		6.2

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		7.8		6.9		5.4		3.9		2.7		2.4		2.5		3.2		4.3		5.5		6.8		7.7

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		1.8		1.6		1.3		1		0.8		0.9		1.2		1.6		2		2.2		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		5.2		6.9		6.7		5.9		4.9		3.8		3.6		3.7		4.1		4.8		5.5		6.2		6.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.8		8.6		7.9		6.3		5		4		3.8		3.9		4.2		4.7		5.6		6.9		8.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		7.8		6.9		5.4		3.9		2.7		2.4		2.5		3.2		4.3		5.5		6.8		7.7

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		2.5		2.1		1.8		1.4		1.1		0.9		1		1.3		1.7		2.1		2.5		2.6

Maximum 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		7.5		7.7		6.7		5.6		4.6		4.2		4.1		4.5		5.6		5.9		6.6		7.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7		10		10		7.8		6.1		5.2		4.8		4.5		4.8		6		6.4		7.9		9.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		6.4		6.2		4.7		3.3		2.2		2.1		2.2		2.8		3.8		4.8		5.9		6.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		1.8		1.4		1.3		1.1		0.9		0.8		0.9		1.1		1.4		1.9		2.1		1.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.5		5.8		6		5.1		4		2.9		3.1		3		3.5		4.2		4.7		5.4		5.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		5.9		6.4		4.9		3.8		2.7		3.2		3		3.3		3.7		4.2		5.1		6.1