MOUNT ERTWA, NORTHERN TERRITORY

Average Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		20		28		27		25		20		15		12		11		14		18		22		25		27

Average High Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		28.5		36.1		34.9		32.6		27.9		22.8		19.8		19.5		22.4		26.7		30.8		33.5		35.4

Average Low Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.2		21.3		20.7		17.4		12.6		8.4		5.3		4.1		6.1		10		14.7		17.9		20.1

Highest Recorded Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		45.2		45.2		43.9		42.2		37.9		35		31.6		31.6		34		37.7		41.7		42.7		44.2

Lowest Recorded Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-7.5		10		8.5		6.1		1.7		-2.7		-5.2		-7.5		-4.1		-1		1.3		3.5		9.7

Average Morning Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.6		28.1		26.6		23.8		18.8		13.6		10		9.2		12.4		17.5		22.5		25.7		27.6

Average Afternoon Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27.5		34.7		33.6		31.5		27.1		22.1		19.1		18.7		21.5		25.7		29.6		32.1		33.9

Average Number of Days Above 104F/40C

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.9		5.5		2.2		0.3		---		---		---		---		---		---		0.1		1.7		4.1

Average Number of Days Above 95F/35C

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		86		20.8		15.9		9.2		1.2		---		---		---		---		0.8		7.2		12.8		18.2

Average Number of Days Above 86F/30C

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		169.4		28.5		24.9		23.8		10.3		1.6		0.1		0.1		2		9.2		17.8		23.3		27.9

Average Number of Days Below 35F/2C

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30.9		---		---		---		---		2.2		8.5		12.2		7.1		0.9		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.8		---		---		---		---		0.5		3.6		5.7		1.9		0.1		---		---		---

Average Precipitation

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		270		30		30		30		10		20		10		10		10		---		20		20		30

Average Number of Rainy Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		42.9		4.6		4.5		3.1		2.1		3.2		2.6		2.7		2.1		2.3		4.6		5.5		5.5

Most Rain Reported in a Day

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		200		80		90		200		40		50		70		70		60		20		30		50		130

Most Rain Reported in a Month

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		350		240		210		350		90		100		100		140		110		60		70		110		220

Average Morning Relative Humidity

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		42		32		38		39		44		56		64		59		46		34		30		28		29

Average Evening Relative Humidity

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		23		20		23		22		25		31		34		30		24		19		18		18		19

Average Morning Dew Point

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.6		8.4		9.6		7.9		5.7		4.6		3.3		1.3		0.5		0.6		2		4.3		6.2

Average Afternoon Dew Point

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3		6.2		7.4		5.8		4.1		3.4		2.3		---		-0.9		-0.8		0.9		2.7		4.7

Average Morning Web Bulb

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.3		17.5		17.5		15.4		12.4		9.4		7		5.9		7.3		10.2		13		15.2		16.7

Average Afternoon Wet Bulb

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.3		19.3		19.3		17.8		15.5		13.1		11.3		10.5		11.6		13.6		15.7		17.3		18.7

Heating Degree Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		613.9		---		---		---		---		86.1		183.3		206.7		137.8		---		---		---		---

Cooling Degree Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1674.4		310		258.9		198.1		50		---		---		---		---		---		129.2		216.7		284.2

Growing Degree Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4311		568.3		494.4		456.4		300		172.2		66.7		51.7		120.6		250		387.5		466.7		542.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		13.8		13.3		12.6		11.9		11.4		11.1		11.2		11.7		12.3		13		13.7		14

Average Daily Sunshine

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		9.6		10.2		9.9		9.8		9.4		8.4		8.3		9.1		9.7		10		10.1		10.1		10.3

Average Number of Clear Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		195.1		12.9		11.8		16.2		16.1		14.9		16		20.8		22.3		20.9		17.3		13.1		12.9

Average Number of Cloudy Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53.3		5.8		5.7		4.2		4.3		6.4		4.7		3.5		2.8		2.5		3.5		4.6		5.3

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.5		26.7		24.6		22.9		19.7		15.9		14.5		15.9		18.8		22.2		24.3		26		26.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		7.8		7.2		5.8		4.3		3.5		3.1		2.9		3.6		4.9		6.5		7.6		8.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.5		24		23.3		23.6		22.8		19.6		19		20.5		22.8		24		23.7		23.7		23.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.9		27.1		25.4		26.1		25.8		23.6		23.5		25.9		26.7		27.3		26.3		26.4		26.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.5		26.7		24.6		22.9		19.7		15.9		14.5		15.9		18.8		22.2		24.3		26		26.5

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		8.8		8.5		7.3		6.1		4.9		4		4.1		4.6		5.7		7.8		8.6		9.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.3		27.1		27.5		27.3		25.1		23		22.4		23.3		24.7		26		26		26.2		25.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		31.7		35.1		34.5		33.4		30		29.9		29.8		31.2		30.2		31.2		31.2		32.4		31.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		23.8		20.4		17.9		13.8		11.8		12.2		13.3		16.7		20.1		20.2		22.8		22.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.3		6.2		5.4		4.2		3.5		2.5		2		1.9		3		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		18.5		21.6		19.3		18.1		15.1		13.6		15.3		16.4		19.9		21.6		19.6		21		20.1

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		21.6		17.3		16.1		12.9		13.2		16.9		18.3		21.4		22.7		18.1		20.5		18.7