NEPTUNE ISLAND, SOUTH AUSTRALIA

Average Temperature

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15		18		19		18		17		15		14		13		13		13		14		16		17

Average High Temperature

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.4		21.9		22.1		21		19.5		17.7		16		15.1		15.3		16		17.4		18.9		20.3

Average Low Temperature

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.5		16		16.5		15.9		14.9		13.6		12.1		11.1		10.9		11.3		12.1		13.3		14.6

Highest Recorded Temperature

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		36.8		35		36.8		32.8		29.4		24		21.7		22.5		23		27.5		28.8		33.7		33.5

Lowest Recorded Temperature

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.7		9.4		8.9		9		6.1		6.7		6.4		6		3.7		3.8		6.1		7.2		8.2

Average Morning Temperature

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.5		18.1		18.4		17.8		16.8		15.4		13.9		13		12.9		13.4		14.5		15.6		16.9

Average Afternoon Temperature

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.2		20.5		20.7		19.7		18.3		16.6		14.9		14.1		14.1		14.8		16		17.6		19

Average Number of Days Above 95F/35C

Years on Record: 33

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

Average Number of Days Above 86F/30C

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.6		0.5		0.7		0.1		---		---		---		---		---		---		---		0.2		0.2

Average Precipitation

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		460		10		10		10		30		50		60		80		60		40		20		10		10

Average Number of Rainy Days

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		136.8		4.8		4.5		6.5		11.1		15.5		17.1		19.1		18.6		14.2		10.9		7.7		6.8

Most Rain Reported in a Day

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		120		120		30		40		40		20		40		40		30		60		20		20		20

Most Rain Reported in a Month

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		150		140		70		80		150		100		150		150		130		140		70		70		60

Least Rain Reported in a Month

Years on Record: 39

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

Average Morning Relative Humidity

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78		77		79		79		78		79		79		79		78		78		77		78		78

Average Evening Relative Humidity

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72		67		70		71		71		74		75		74		75		74		71		69		69

Average Morning Dew Point

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.6		13.8		14.5		14		12.7		11.6		10.2		9.3		9.1		9.7		10.4		11.6		12.8

Average Afternoon Dew Point

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.9		14.1		14.8		14.2		12.8		11.8		10.5		9.4		9.6		10.1		10.7		11.8		13.1

Average Morning Web Bulb

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.5		15.7		16.2		15.7		14.6		13.4		12.1		11.1		11.1		11.6		12.5		13.5		14.7

Average Afternoon Wet Bulb

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.4		16.9		17.4		16.6		15.3		14.1		12.7		11.8		11.9		12.5		13.3		14.5		15.8

Heating Degree Days

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1038.7		---		---		8.6		41.7		94.7		141.7		172.2		172.2		150		120.6		75		34.4

Cooling Degree Days

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.3		8.6		15.7		---		---		---		---		---		---		---		---		---		---

Growing Degree Days

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2235.9		266.9		251.1		249.7		208.3		163.6		108.3		86.1		86.1		100		137.8		175		223.9

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		14.7		13.8		12.7		11.6		10.7		10.3		10.5		11.3		12.3		13.4		14.5		15

Average Number of Clear Days

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		43.6		6.4		6.6		5.1		3.5		1.8		1.3		1.9		2.4		3.2		3.8		3.3		4.3

Average Number of Cloudy Days

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		161.4		10.2		9.3		12.1		14.2		16.3		16.5		15.9		14.4		13.6		13.1		13.2		12.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		25.5		22.8		18		13.4		9.8		8.3		9.2		11.8		15.7		20		23.2		24.7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		8.3		7.2		6		4.5		3.4		2.9		3.1		4		5.4		7		8.3		8.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.2		22.7		22.1		19.6		17		14		13.1		14		15.3		18		19.9		21.2		21.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		25.8		24.1		20.2		17.3		15		14.3		15.2		16.3		18.1		20.6		22.5		23.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		25.5		22.8		18		13.4		9.8		8.3		9.2		11.8		15.7		20		23.2		24.7

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		7.9		6.5		4.9		3.7		3.1		3.3		4.3		5.9		7.6		8.8		9.7

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		25.3		26		25.2		19.6		16.1		15.5		16.5		17.6		20.9		23.2		22.9		23.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.6		32.1		32.3		30.4		21.4		18.1		17.8		19.1		20		23		26.9		26.2		27.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.7		22.5		20.5		15.6		11.4		8.3		6.8		8.3		10.7		13.3		17.2		21.4		19.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5		7.1		5.8		4.3		4.1		3.1		2.6		2.7		3.6		4.8		6		7.7		8.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.5		20.2		19.9		16.6		14		11.3		10		12.1		13.5		14.8		17		19.5		17.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.7		20.1		19.6		15.2		12.8		10.9		9.8		12.5		13.5		13.1		15.3		19		14.8