COLLIE, WESTERN AUSTRALIA

Average Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15		21		21		19		15		12		10		9		10		11		14		17		20

Average High Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22.5		30.5		30.1		27.3		23.2		18.9		16.3		15.5		16.3		18.1		20.7		24.8		28.3

Average Low Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.4		13.2		13.1		11.5		8.7		6.3		5		4.2		4.5		5.8		7.4		9.7		11.7

Highest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		44.4		44.4		41.3		40.3		35.1		30.2		25.2		21.7		23.9		29.4		36.3		38.6		41.7

Lowest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-3.3		5.6		5.3		1.4		-0.6		-2.3		-3.3		-2.7		-2		-1.7		---		1.1		3.3

Average Morning Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.4		20.8		20.1		18.1		14.2		10.6		9		8		8.9		11.5		14.6		17.3		19.6

Average Afternoon Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21.5		30		29.7		26.6		21.3		18		15.4		14.5		15.3		17		19.9		23.5		27.6

Average Number of Days Above 104F/40C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.8		1.2		0.3		0.1		---		---		---		---		---		---		---		---		0.2

Average Number of Days Above 95F/35C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		19.8		7.2		6		1.9		0.1		---		---		---		---		---		0.1		0.9		3.7

Average Number of Days Above 86F/30C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		62.9		18.3		14.6		9.4		1.5		0.1		---		---		---		---		1.3		5.3		12.4

Average Number of Days Below 35F/2C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32.7		---		---		0.1		0.8		3.4		6		7.6		8.5		4.5		1.6		0.2		---

Average Number of Days Below 32F/0C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.4		---		---		---		0.1		0.8		1.8		2.4		2.6		0.6		0.1		---		---

Average Precipitation

Years on Record: 97

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		950		10		10		20		40		120		180		180		140		90		60		30		10

Average Number of Rainy Days

Years on Record: 76

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		142.2		3.2		3.1		5		9.1		16.6		19.9		21.7		20.1		17		13.9		8.1		4.4

Most Rain Reported in a Day

Years on Record: 86

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		110		110		100		110		60		60		90		60		70		50		40		40		40

Most Rain Reported in a Month

Years on Record: 97

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		470		240		170		140		180		260		470		430		410		240		210		100		80

Least Rain Reported in a Month

Years on Record: 97

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		---		10		50		50		30		10		---		---		---

Average Morning Relative Humidity

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		74		59		62		68		80		88		90		91		87		79		68		61		57

Average Evening Relative Humidity

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		50		33		34		39		53		60		67		68		61		54		49		42		35

Average Morning Dew Point

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.6		12.3		12.6		11.9		10.9		8.8		7.9		6.6		6.9		7.7		8.7		9.8		11.3

Average Afternoon Dew Point

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.7		11.4		11.7		11.1		11.1		10.1		9.4		8.5		7.6		7.7		8.4		9.3		10.2

Average Morning Web Bulb

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.8		16		15.9		14.8		12.4		9.6		8.3		7.4		8		9.9		11.8		13.5		15.1

Average Afternoon Wet Bulb

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.1		19.4		19.4		17.9		15.6		13.8		12.2		11.5		11.5		12.3		13.9		15.8		17.9

Heating Degree Days

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1402.2		---		---		---		83.3		180.8		233.3		275.6		249.7		200		137.8		41.7		---

Cooling Degree Days

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		284.3		94.7		86.3		25.8		---		---		---		---		---		---		---		---		43.1

Growing Degree Days

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2149.9		353.1		321.7		284.2		166.7		77.5		16.7		---		8.6		50		120.6		208.3		301.4

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		14.5		13.7		12.7		11.7		10.8		10.4		10.6		11.4		12.3		13.4		14.3		14.8

Average Number of Clear Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		87.7		13.9		12.1		11.4		5.7		4.2		2.2		2.7		3.7		4.1		6.4		8.6		12.7

Average Number of Cloudy Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		111.2		4.7		4.7		5.9		10.8		12.3		13.6		13.4		11.7		10.3		10.3		8.5		5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		28		24.9		19.6		14.3		10.4		8.7		9.3		12.1		16.1		21.1		25.2		28.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		7.3		6.6		5.8		4.6		3.6		3.1		3.4		4.3		5.7		6.9		7.8		7.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.1		24.9		24.1		21.2		17.9		14.2		12.9		13.2		15.1		18.1		20.9		22.9		24.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.2		30.6		27.8		22.7		18.4		15.1		13.8		14		15.7		18		22		25.9		30.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		28		24.9		19.6		14.3		10.4		8.7		9.3		12.1		16.1		21.1		25.2		28.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		9.1		7.7		6.4		5		3.9		3.3		3.6		4.6		6		7.4		8.6		8.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.5		26.6		27.1		24.1		20.9		16.5		16.1		14.3		16.9		21.4		22.9		24.5		26.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.6		35.1		34.5		28.1		23.4		18.7		18.6		15.6		18.5		23.5		26		29.6		35.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		22.4		21.9		17.7		12.8		8.8		7.9		7.9		10.7		14.2		19.1		22.4		25.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		6.4		5.3		4.9		4		3.3		2.7		3.3		4		4.9		6.3		7.2		6.8

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.6		20.1		21.2		18.9		15.5		11.5		11.3		10.6		13		15.7		18.8		20.5		22.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.4		19.7		21.8		18.7		14.7		11		11.4		10.1		12.5		14		18.1		20.6		24.6