NORTHAMPTON, WESTERN AUSTRALIA

Average Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		67		77		79		76		70		64		60		57		57		59		63		68		73

Average High Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		80		92		93		90		83		75		70		68		69		73		78		82		87

Average Low Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		54		63		65		63		58		53		50		46		46		46		49		55		59

Highest Recorded Temperature

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		119		117		119		112		102		93		84		83		86		92		106		106		113

Lowest Recorded Temperature

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		30		43		46		48		48		38		34		30		32		30		37		40		42

Average Morning Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		70		82		83		79		73		65		60		58		60		64		70		75		80

Average Number of Days Above 104F/40C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		15.6		5.2		4.6		2.2		---		---		---		---		---		---		0.2		0.4		3

Average Number of Days Above 95F/35C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		46.5		11.5		10.9		10.2		2.3		---		---		---		---		---		1.6		2.8		7.3

Average Number of Days Above 86F/30C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		97.8		18.3		17.8		18.9		11.5		2.1		---		---		0.1		1.8		5.6		8.3		13.4

Average Number of Days Below 35F/2C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.9		---		---		---		---		---		0.3		0.8		1		0.8		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.4		---		---		---		---		---		---		0.2		0.2		0.1		---		---		---

Average Precipitation

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		16		---		---		---		---		2		3		3		2		1		---		---		---

Average Number of Rainy Days

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		73.2		1		2.1		2.7		5.4		9.6		11.4		12		10.7		7.8		5.3		4.1		1.1

Most Rain Reported in a Day

Years on Record: 16

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

Most Rain Reported in a Month

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7		---		2		2		3		6		7		5		4		1		2		1		---

Least Rain Reported in a Month

Years on Record: 16

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

Heating Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		873		---		---		---		---		31		150		248		232.5		165		46.5		---		---

Cooling Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1657.5		387.5		395.5		356.5		165		---		---		---		---		---		---		105		248

Growing Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6263.3		852.5		819.3		821.5		615		434		300		217		232.5		285		418.5		555		713

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		14.1		13.5		12.6		11.8		11.1		10.8		11		11.5		12.3		13.2		14		14.4

Average Number of Clear Days

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		152.6		16.3		12.3		14.2		11.2		10.7		10.4		12.3		12.6		13.5		13.5		11.8		13.9

Average Number of Cloudy Days

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		63		2.8		3.2		5.1		5.6		7.1		7.8		6.5		6.3		4.9		5.3		5.3		3.2

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		8		7.1		6.1		4.8		3.8		3.4		3.6		4.5		5.9		7.1		7.8		8.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		2		1.9		1.6		1.3		1		0.9		0.9		1.1		1.3		1.6		1.9		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		6.2		7.1		6.8		6.4		5.7		4.9		4.7		4.8		5.8		6.6		7		7.1		7.2

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		8.7		7.8		7		6.2		5.6		5.5		5.7		6.5		7.6		8.4		8.7		9.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		8		7.1		6.1		4.8		3.8		3.4		3.6		4.5		5.9		7.1		7.8		8.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		2.3		2.1		1.9		1.5		1.2		1		1.1		1.3		1.5		1.9		2.2		2.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.9		7.7		7.6		7.1		6.5		6		5.4		5.8		6.5		7		7.5		7.7		7.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.6		10.3		9.6		8.5		7.6		7.5		6.8		7.3		7.8		8.4		9.5		10.1		10.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		7.2		6.4		5.1		4.1		3.2		3		2.9		3.8		5.5		6.4		7.1		7.8

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		1.6		1.5		1.3		1.1		0.7		0.7		0.7		0.9		1.1		1.3		1.5		1.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.4		6.5		6.2		5.3		4.7		3.9		4		3.8		4.7		6.1		6.3		6.4		6.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		7.2		6.4		5.1		4.6		4		4.3		3.9		4.7		6.6		6.9		7.1		8.2