ROCKINGHAM, WESTERN AUSTRALIA

Average Temperature

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		65		74		75		72		67		62		58		56		57		59		61		66		70

Average High Temperature

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		73		84		84		81		75		69		65		63		64		66		69		74		79

Average Low Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		57		65		66		64		59		55		52		50		50		52		54		58		62

Highest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		109		108		109		106		97		85		78		78		80		87		100		104		105

Lowest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		36		50		51		45		42		39		38		36		37		40		40		41		41

Average Morning Temperature

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		65		75		75		72		67		61		57		55		56		60		63		68		72

Average Afternoon Temperature

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		70		79		80		77		72		67		63		61		62		64		67		71		75

Average Number of Days Above 104F/40C

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1		0.6		0.2		0.1		---		---		---		---		---		---		---		---		0.1

Average Number of Days Above 95F/35C

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.5		4.3		3.7		1.3		---		---		---		---		---		---		0.1		0.4		1.8

Average Number of Days Above 86F/30C

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		43.2		11.6		11.3		8.4		1.5		---		---		---		---		0.1		0.8		2.8		6.6

Average Precipitation

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		30		---		---		---		1		4		6		6		4		2		1		---		---

Average Number of Rainy Days

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		113.6		2.1		2.6		3.6		7.9		13.1		17.5		19.1		16.3		12.9		9.5		6.2		3

Most Rain Reported in a Day

Years on Record: 41

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

Most Rain Reported in a Month

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		12		5		9		2		4		9		12		12		8		6		4		3		1

Least Rain Reported in a Month

Years on Record: 41

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

Average Morning Relative Humidity

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		62		50		52		54		62		69		75		75		71		67		61		55		52

Average Evening Relative Humidity

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		59		53		53		53		58		61		65		66		64		61		59		57		55

Average Morning Dew Point

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		51		55		55		54		53		50		49		47		47		49		49		51		53

Average Afternoon Dew Point

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		54		60		60		58		56		53		50		49		49		51		52		55		57

Average Morning Web Bulb

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		57		64		64		62		59		55		53		51		52		54		56		59		62

Average Afternoon Wet Bulb

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		61		68		68		66		63		59		57		55		55		57		59		62		65

Heating Degree Days

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1088		---		---		---		---		93		195		263.5		248		180		108.5		---		---

Cooling Degree Days

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1070		294.5		282.5		232.5		60		---		---		---		---		---		---		30		170.5

Growing Degree Days

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5460.8		759.5		706.3		697.5		510		372		255		201.5		217		270		356.5		480		635.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		14.4		13.6		12.7		11.7		10.9		10.5		10.7		11.4		12.3		13.3		14.2		14.7

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		7.7		6.8		5.5		4.2		3.1		2.6		2.8		3.6		4.7		6.2		7.2		7.8

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		1.9		1.6		1.3		1		0.9		1		1.2		1.5		1.8		2.1		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		5.5		6.8		6.6		6		5.1		4.2		3.9		4		4.5		5.3		6.1		6.5		6.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		8.3		7.5		6.4		5.4		4.6		4.2		4.3		4.7		5.4		6.7		7.5		8.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		7.7		6.8		5.5		4.2		3.1		2.6		2.8		3.6		4.7		6.2		7.2		7.8

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		2.4		2.4

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.2		7.5		7.3		6.7		6.2		5.4		4.9		4.4		4.9		6.1		6.6		7		7.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.4		10		9.1		7.9		7.1		6.5		5.8		5		5.5		6.8		7.6		8.6		9.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.6		6.3		6.2		5.1		3.8		2.6		2.4		2.5		3.1		4.2		5.6		6.4		7.2

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		1.7		1.6		1.4		1		0.8		0.7		0.9		1.1		1.3		1.7		1.9		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		4.8		5.7		6		5.4		4.5		3.3		3.4		3.3		3.8		4.7		5.6		5.9		6.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		5.7		6.2		5.5		4.4		3.2		3.5		3.3		3.7		4.4		5.6		6.1		7