Thanks for a great report so far.Sadly central sydney is quiet after 930pm with limited food options out side the very good thai chinese and korean districts north of central station. The state government through complex licencing laws encourages people to go to the casino owned and run by its political mates.
The labour laws preventing outside work at the airport apply if thunder storms with lightning are in the area. Usually a 5-10 km radius. The sight of snow in Sydney would cause 5 million people to evacuate north pronto!