SPENCERS BROOK, WESTERN AUSTRALIA

Average Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17		25		24		22		18		14		11		10		11		12		15		19		23

Average High Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.7		34		33.3		30.3		25.3		20.6		17.3		16.3		17.3		19.8		23.5		28.1		31.9

Average Low Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.9		16.2		16.1		14.6		10.8		7.4		6		5		4.8		5.7		7.6		11		14.2

Highest Recorded Temperature

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		45.6		45.6		45.2		41.7		38.9		34.8		26.1		25.8		25.6		31.4		38.6		41.6		43.6

Lowest Recorded Temperature

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-5		4.5		7.8		4.4		-0.6		-4.1		-5		-3.9		-3.9		-0.8		-0.6		-0.1		4.8

Average Morning Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.1		24.9		24		21.7		17.6		13		10.6		9.5		10.6		13.2		16.9		20.8		23.6

Average Afternoon Temperature

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.7		32.8		32.2		29.4		24.3		19.7		16.3		15.4		16.3		18.7		22.4		26.9		30.6

Average Number of Days Above 104F/40C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.7		3.8		2.4		0.5		---		---		---		---		---		---		---		0.3		1.8

Average Number of Days Above 95F/35C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		41.2		12.4		10.4		5.2		0.5		---		---		---		---		---		0.4		3.3		9

Average Number of Days Above 86F/30C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		95		23.1		20.1		14.5		4.5		0.5		---		---		---		0.1		2.9		9.9		19.5

Average Number of Days Below 35F/2C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27.2		---		---		---		0.2		2.7		4.1		6.5		7.7		4.6		1.3		0.1		---

Average Number of Days Below 32F/0C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.6		---		---		---		0.1		1.3		1.4		1.8		1.8		0.9		0.3		---		---

Average Precipitation

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		450		---		10		10		20		60		90		90		60		30		20		10		---

Average Number of Rainy Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		96.6		1.9		2.4		3.3		6.5		11		15.5		17.3		14.9		10.6		7.2		3.9		2.2

Most Rain Reported in a Day

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		120		50		120		120		60		50		70		50		30		20		70		30		30

Most Rain Reported in a Month

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		240		60		180		180		90		150		240		220		150		90		110		50		50

Average Morning Relative Humidity

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		66		44		50		54		67		80		87		87		83		75		61		49		45

Average Evening Relative Humidity

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		44		25		29		31		43		53		64		65		60		53		42		34		28

Average Morning Dew Point

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.7		11.6		13.4		12.1		11.3		8.9		8.7		7.5		7.8		8.5		9.2		9.3		9.9

Average Afternoon Dew Point

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.1		10		11.9		10.4		10.1		9		9.8		8.6		8.5		8.3		8.3		7.9		7.3

Average Morning Web Bulb

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.2		17.5		17.6		16.4		14.1		11.2		9.6		8.6		9.3		11.1		13		14.8		16.5

Average Afternoon Wet Bulb

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.9		19.7		20.2		18.8		16.6		14.3		12.8		12.1		12.4		13.7		15.2		17.2		18.8

Heating Degree Days

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1106.1		---		---		---		16.7		137.8		208.3		241.1		232.5		175		94.7		---		---

Cooling Degree Days

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		765.1		206.7		164.8		120.6		---		---		---		---		---		---		---		25		137.8

Growing Degree Days

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2909.3		465		400.2		378.9		233.3		120.6		41.7		17.2		25.8		75		163.6		275		396.1

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		10.6		10.7		11.4		12.3		13.3		14.2		14.6

Average Daily Sunshine

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		8		11.2		10		8.8		6.6		6.1		4.9		5.4		6.3		7.2		9		10.2		11.6

Average Number of Clear Days

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		125		16.4		14.3		13.3		8.5		7.8		5.5		5.6		7.9		8.1		10		11		16.5

Average Number of Cloudy Days

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		77.6		3.3		3.6		5		8		9		9.7		9.5		7.9		7.2		6.4		5		2.9

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		27.7		24.2		19.5		14.9		11.2		9.7		10.6		13.4		17.7		23.1		26.2		28.1

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		7.5		7		6		4.6		3.6		3.1		3.3		4.1		5.3		6.3		7.5		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		20		24.6		23.4		20.9		18.4		15.3		14.5		15.2		16.9		20.1		22.9		23.8		24.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.5		29.8		26.1		22.1		19.1		16.8		16.1		16.9		18.3		21.1		25.9		27.9		29.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		27.7		24.2		19.5		14.9		11.2		9.7		10.6		13.4		17.7		23.1		26.2		28.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.1		8.6		7.7		6.6		5.1		4		3.4		3.6		4.6		5.9		7.1		8.3		8.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.6		26.3		25.1		23.8		22.9		19.3		17.5		16.6		19.6		23.1		25.1		25.9		25.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		27.2		34.1		29.7		27.4		26.6		23.2		21		19.2		23.1		26.5		30.4		32.9		32.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		24.6		21.9		17.3		13.2		9.2		8.8		9.4		11.7		15.6		20.8		23.8		26.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		6.6		6.3		5.1		3.5		2.8		2.6		3		3.5		4.4		5.4		6.4		7.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.6		22		21.1		18.2		15.8		11.9		12.5		13		14.2		17.3		20.5		21.7		23.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		23.5		21.5		17.4		15.1		11.5		13.1		13.5		14.2		16.5		21.1		23		27.1