FORREST, WESTERN AUSTRALIA

Average Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17		23		23		21		18		15		12		11		12		15		17		20		22

Average High Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		25		32		31		29		25		21		18		17		19		22		26		28		31

Average Low Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10		15		15		13		10		7		5		4		5		7		9		11		13

Highest Recorded Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		50		50		46		45		40		36		31		29		34		38		43		45		45

Lowest Recorded Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-4		6		6		5		2		---		-4		-4		-3		-2		1		2		4

Average Number of Days Above 90F/32C

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		69		16		12		9		4		---		---		---		---		2		5		9		13

Average Number of Days Above 70F/21C

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		253		31		27		30		25		15		7		5		10		19		26		29		30

Average Number of Days Below 32F/0C

Years on Record: 46

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

Average Precipitation

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		180		10		10		10		10		10		10		10		10		10		10		10		10

Average Number of Days With Thunderstorms

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		15		2		1		1		1		1		---		---		---		1		2		3		3

Most Rain Reported in a Month

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		340		100		140		110		90		50		90		70		60		50		80		60		100

Average Morning Relative Humidity

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78		72		78		81		81		83		84		82		82		78		73		69		69

Average Evening Relative Humidity

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		35		27		32		33		37		42		46		44		38		32		29		27		27

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6		10		11		10		8		6		5		3		3		3		5		6		8

Heating Degree Days

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		842.4		---		---		---		8.3		111.9		191.7		223.9		189.4		100		17.2		---		---

Cooling Degree Days

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		707.6		172.2		141.3		103.3		---		---		---		---		---		---		---		58.3		129.2

Growing Degree Days

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3115.6		430.6		376.7		361.7		241.7		146.4		58.3		34.4		68.9		150		241.1		308.3		387.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		14.3		13.6		12.7		11.7		11		10.6		10.8		11.5		12.3		13.3		14.1		14.6

Average Number of Days With Fog

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23		---		---		1		2		4		4		4		4		3		1		---		---

Average Wind Speed

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		20		22		20		19		16		19		19		20		20		22		19		20		22

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.1		27		24.1		19.4		15.4		11.9		10.9		11.8		14.8		18.9		22.9		25.7		26.1

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		7.8		7.1		6.1		4.6		3.6		2.9		3.1		3.8		5.1		6.5		7.7		8.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.5		24.1		23.1		20.6		18.9		16.2		16.2		16.9		19.6		21.4		22.7		23.3		22.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.8		28.2		25.6		21.4		19.8		18		18.9		19.7		21.6		23.3		25.2		26.5		25.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.1		27		24.1		19.4		15.4		11.9		10.9		11.8		14.8		18.9		22.9		25.7		26.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.3		9		8.2		7		5.2		4		3.4		3.7		4.3		5.8		7		8.6		9.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.3		26		26.5		23.9		22.9		18.8		19.1		20.1		21.8		24.2		24.8		25.8		25.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		28.1		33		32.8		27.4		26.5		22.4		23.6		24.9		25.3		28.4		29.6		32.4		31.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.6		22.9		20		15.8		13.6		10.2		9.2		9.5		13.4		16.9		21.4		22.9		23.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.7		6.8		5.7		5.2		3.6		3.1		2.3		2.3		3.3		4.2		5.6		6.5		7.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.5		20.6		19.2		16.4		16.2		13.2		13		12.8		17.2		18.8		21.1		20.9		20.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.4		20.4		17.7		14.2		15.6		13.2		13.7		13.2		17.9		18.8		22.1		21.2		20.9