TELFER MINING CENTRE, WESTERN AUSTRALIA

Average Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		79		91		89		87		81		71		65		64		68		75		83		87		90

Average High Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		93		105		101		99		94		83		77		77		82		90		98		102		104

Average Low Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		66		78		77		75		69		59		53		51		54		60		68		73		77

Highest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		117		117		115		113		106		100		90		90		96		102		109		114		117

Lowest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		36		66		63		60		52		42		36		37		36		45		50		55		51

Average Morning Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		80		91		88		87		82		71		64		63		68		77		85		90		91

Average Afternoon Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		91		102		99		97		92		82		76		75		80		89		96		100		102

Average Number of Days Above 104F/40C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		75.5		18.7		12.5		8.5		1		---		---		---		---		---		4.6		12.9		17.4

Average Number of Days Above 95F/35C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		163.5		26.5		21.8		22.5		14.2		0.8		---		---		0.2		7.4		20.8		24.3		25.1

Average Number of Days Above 86F/30C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		231		27.8		25.4		27		24.2		11.9		2.3		2.1		9.1		21.2		26.6		26.4		27.1

Average Precipitation

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		12		1		3		1		---		---		---		---		---		---		---		---		2

Average Number of Rainy Days

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37.6		6.3		7.9		4.3		2.3		2.9		2.7		1.5		1.4		0.8		0.8		1.9		4.8

Most Rain Reported in a Day

Years on Record: 22

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

Most Rain Reported in a Month

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		13		5		13		5		3		5		1		3		2		---		---		5		11

Average Morning Relative Humidity

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		32		38		45		35		30		37		42		36		31		22		19		22		28

Average Evening Relative Humidity

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		20		21		27		22		20		25		25		21		19		13		12		13		16

Average Morning Dew Point

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		44		60		61		54		45		42		39		34		35		32		36		43		51

Average Afternoon Dew Point

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		40		53		54		49		42		40		37		31		32		28		33		38		44

Average Morning Web Bulb

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		61		72		72		68		62		57		53		50		53		56		61		65		69

Average Afternoon Wet Bulb

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		64		73		73		70		65		60		57		55		58		61		64		68		70

Heating Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		---		---		---		---		---		---		31		---		---		---		---		---

Cooling Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5279		821.5		678		682		495		186		---		---		93		300		558		675		790.5

Growing Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10256		1116		1017		1116		945		651		450		434		558		750		1023		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		13.7		13.2		12.6		12		11.5		11.2		11.4		11.8		12.4		13		13.6		13.8

Average Number of Clear Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		179.2		9.5		7.6		11.2		12.6		15.6		15.3		19.6		21.4		18.9		19.5		16.3		11.8

Average Number of Cloudy Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		41.6		4.9		7.9		5.1		3.4		5		5		2.2		1.4		1.3		1.1		2		2.4

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		7.1		6.4		6		5.4		4.6		4.1		4.7		5.6		6.6		7.3		7.6		7.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		2.3		2.2		1.8		1.3		1.1		1		0.8		1		1.3		1.6		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		6.4		6.4		6.1		6.2		6.1		5.7		5.1		5.8		6.7		7		7.1		6.9		7.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.2		6.9		6.1		6.4		6.8		6.5		6.2		7.3		8		8.2		8.3		8.1		7.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		7.1		6.4		6		5.4		4.6		4.1		4.7		5.6		6.6		7.3		7.6		7.3

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		2.4		2.1		1.6		1.4		1.2		1.2		1.3		1.7		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		7.1		6.9		7.1		7		7.1		6.7		6.1		6.3		7.2		7.6		7.7		7.6		8.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.7		8		8.3		8		8.5		8.4		8.2		8.4		8.9		9.5		9.6		9.7		9.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		6.1		5		5.1		4.7		3.3		3.5		3.9		4.9		5.6		6.7		6.6		6.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.2		2.1		1.8		1.5		1		0.7		0.6		0.6		0.8		1		1.3		1.6		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		5.3		5.6		4.7		5.2		5.2		3.8		4.2		4.7		5.7		5.9		6.5		6.1		6.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		5.1		3.7		4.7		5.1		3.4		4.5		5.3		6.1		6.1		7		6.2		5.5