ROCKHOLE, WESTERN AUSTRALIA

Average Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		80		86		85		84		80		73		68		67		71		78		85		88		88

Average High Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		92		98		96		96		92		85		81		80		85		92		98		101		100

Average Low Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		68		75		74		72		68		62		56		54		58		65		72		76		76

Highest Recorded Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		113		111		109		107		102		98		92		93		98		103		110		113		112

Lowest Recorded Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		32		60		63		60		51		44		37		32		40		46		55		56		60

Average Morning Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		81		86		84		86		83		75		69		68		74		82		88		90		89

Average Afternoon Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		90		95		93		93		90		84		79		79		84		90		96		98		96

Average Number of Days Above 104F/40C

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30.8		5.9		2.9		1.2		---		---		---		---		---		---		2.6		8.9		9.3

Average Number of Days Above 95F/35C

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		162.2		22.6		17.2		19.6		10.6		1		---		---		0.9		11.1		25.4		27.1		26.7

Average Number of Days Above 86F/30C

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		276.4		29.4		26.7		29.5		27.5		16.8		7		6.1		16.6		27.3		29.9		29.6		30.3

Average Number of Days Below 35F/2C

Years on Record: 50

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

Average Precipitation

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		20		5		5		2		---		---		---		---		---		---		---		1		2

Average Number of Rainy Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60		13		12.4		7.6		2.6		1.9		0.9		0.8		0.5		0.9		3		6.1		10.2

Most Rain Reported in a Day

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7		7		4		4		3		2		1		1		1		1		2		3		4

Most Rain Reported in a Month

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		21		19		21		15		6		4		3		2		1		3		3		6		8

Average Morning Relative Humidity

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		36		51		56		45		34		35		35		30		25		22		24		29		40

Average Evening Relative Humidity

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		25		33		38		31		25		26		25		21		18		16		17		20		27

Average Morning Dew Point

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48		64		65		59		49		44		39		34		33		36		43		51		60

Average Afternoon Dew Point

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		46		58		60		55		47		43		38		34		34		35		41		47		54

Average Morning Web Bulb

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		64		73		73		70		64		59		55		53		55		60		65		68		71

Average Afternoon Wet Bulb

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		66		72		73		70		66		62		59		58		60		63		67		69		71

Cooling Degree Days

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5345.5		666.5		565		589		450		263.5		105		62		201.5		405		620		705		713

Growing Degree Days

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10671.8		1116		988.8		1054		900		728.5		555		527		666.5		855		1085		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		13.5		13.1		12.5		12		11.6		11.4		11.5		11.9		12.4		12.9		13.4		13.6

Average Daily Sunshine

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		9.4		8		8.1		8.7		9.9		8.8		9.9		10.4		10.3		10.5		9.9		9.8		8.6

Average Number of Clear Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		129.6		2.5		2.9		6.4		10.5		14.3		16.8		18.5		18.5		16.3		12.6		6.7		3.6

Average Number of Cloudy Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		64.6		12.8		11.6		8.5		5		4.1		2.4		2		1.7		1.4		1.7		4.1		9.2

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		6.6		6.2		6.2		5.9		5.3		4.9		5.2		5.9		6.5		6.9		6.9		6.8

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		2.3		2.2		1.8		1.3		1		0.9		0.9		1.1		1.5		1.9		2.2		2.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.5		6.5		5.9		6.2		6.5		6.3		6.1		6.4		6.7		6.7		6.6		6.7		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		7		6		5.6		6.4		7.3		7.6		7.5		7.9		8		7.5		7.2		6.8		6.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		6.6		6.2		6.2		5.9		5.3		4.9		5.2		5.9		6.5		6.9		6.9		6.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.9		2.5		2.5		2.2		1.7		1.3		1.2		1.2		1.2		1.7		2.2		2.4		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		7.2		7.5		6.9		7.1		7.1		6.8		6.6		6.9		7		7.3		7.4		7.5		8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.4		7.9		7.8		8.1		8.5		8.6		8.6		8.9		8.6		8.7		8.8		8.3		8.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.3		5.7		4.8		5.1		4.8		4.6		4.3		4.6		5.6		6		6		6.2		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		1.3		2		1.9		1.5		1.1		0.8		0.7		0.7		0.9		1.2		1.5		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		5.6		5.7		4.6		5.1		5.2		5.3		5.2		5.4		6.3		6.2		5.8		6		6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.4		4.5		3.4		4.3		4.9		5.7		5.9		6.1		7.3		6.4		5.6		5.4		5.1