"Icy dawn greets South Australians
Friday July 6, 2012 - 12:00 EST


Frosty start for most South Australians -
The day has had an icy start across many areas of South Australia...

...The mercury dipped to -4.9 at Renmark in the Riverland and temperatures also went below zero in the state's south-east, across the Barossa Valley and in the mid-north.

Adelaide saw an icy start, below 1 degree in the northern suburbs and 1.7 at the airport, where there were several morning flight delays.

Airport officials said aircraft needed ice removed from the wings, a process Adelaide was less prepared for than some other capital cities.

Olivia Wirth, from Qantas, said it was a very unusual problem to have faced in Adelaide..."