TELFER MINING CENTRE, WESTERN AUSTRALIA

Average Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26		33		31		30		27		22		18		17		20		24		28		31		32

Average High Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33.9		40.6		38.7		37.7		34.5		28.7		25.3		25.1		28		32.7		36.8		39.4		40.3

Average Low Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.2		26.1		25.1		23.9		20.6		15.4		12.1		10.6		12.5		16.1		20.5		23.1		25.1

Highest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		47.5		47.4		46.5		45.1		41.2		38		32.5		32.5		36		39.2		43.3		46		47.5

Lowest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2.5		19		17.7		16		11.5		5.6		2.5		3		2.5		7.3		10.5		13		11

Average Morning Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26.7		32.9		31.4		30.9		27.8		22.1		18.2		17.4		20.4		25.2		29.9		32.3		33.2

Average Afternoon Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		32.8		39		37.7		36.5		33.6		27.9		24.6		24.3		27.2		31.8		35.8		38.2		39.2

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
mm		310		40		90		40		10		10		10		---		---		---		---		10		50

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
mm		200		40		110		90		30		40		20		40		40		10		10		120		200

Most Rain Reported in a Month

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		340		120		340		120		80		140		40		70		50		20		10		130		290

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
C		7		15.9		16.5		12.6		7.5		5.7		4.3		1.4		1.7		0.5		2.5		6.2		11.1

Average Afternoon Dew Point

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.6		11.7		12.6		9.8		5.9		4.6		2.8		-0.2		0.3		-1.7		0.6		3.8		6.7

Average Morning Web Bulb

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.4		22.4		22.5		20.2		17.1		14.1		11.8		10.4		12		13.8		16.4		18.5		20.7

Average Afternoon Wet Bulb

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18		22.8		22.9		21.2		18.8		16.1		14.2		13.3		14.7		16.2		18.2		20.1		21.4

Heating Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17.2		---		---		---		---		---		---		17.2		---		---		---		---		---

Cooling Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3284.2		456.4		376.7		378.9		275		103.3		---		---		51.7		166.7		310		375		439.2

Growing Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6193.8		620		565		620		525		361.7		250		241.1		310		416.7		568.3		600		620

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
Mj/m2		21.8		25.4		23.1		21.7		19.6		16.4		14.8		16.8		20.1		23.6		26.4		27.3		26.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		8.2		7.8		6.4		4.8		3.8		3.5		3		3.5		4.5		5.8		7.1		8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.9		23.1		21.9		22.1		22.1		20.3		18.5		20.7		23.9		25.2		25.6		24.9		26.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.8		24.8		22.1		22.9		24.3		23.2		22.5		26.3		28.6		29.6		30		29		26.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.8		25.4		23.1		21.7		19.6		16.4		14.8		16.8		20.1		23.6		26.4		27.3		26.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.6		9.1		8.8		7.4		5.8		5.2		4.3		4.2		4.7		6		6.8		8.3		9.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.7		24.8		25.6		25.3		25.5		24.3		22.1		22.8		25.8		27.4		27.5		27.2		29.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		31.4		28.8		29.8		28.9		30.7		30.3		29.4		30.3		32.1		34		34.5		34.8		33

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.5		21.8		17.9		18.5		16.9		11.7		12.5		14.2		17.5		20.2		24		23.9		22.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.5		7.5		6.4		5.3		3.6		2.6		2.3		2.3		2.7		3.5		4.7		5.8		6.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.1		20		17		18.7		18.8		13.6		15		16.9		20.4		21.4		23.3		22		22.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.8		18.2		13.1		16.7		18.4		12.1		16.2		19		22.1		22.1		25.1		22.4		19.6