| Thursday 10 November 2005
Media Release Unprecedented warm, humid nights for Sydney and CanberraThe start to November has seen the warmest average overnight minimum temperatures on record for this time of year, not only for Sydney and Canberra, but numerous other coastal and rural centres in NSW. The Sydney average minimum temperature for the first 10 days of the month of 19.7°C which is more than 4°C above the historic average and the warmest over the corresponding time period since records commenced in 1859. Overnight temperatures and humidity have been even higher than those typically experienced in mid summer - the average 6am humidity so far this month is 85%. Last night's minimum temperature was 22.3°C or nearly 7°C above the historic average minimum. Similar conditions have prevailed in Canberra with an average overnight minimum temperature of 13.7°C or more than 5°C above the historic average and the highest since records commenced in 1939. Combined with average early morning humidity levels of 88%, these conditions are more typically experienced in February and March. A number of other NSW centres have also experienced unprecedented high average minimum temperatures for the first 10 days of November including Richmond in Sydney's west, Williamtown, Katoomba, Bathurst and Orange. The warmest place in NSW last night was Lightning Ridge in the State's north which recorded a minimum of 25°C. Sydney's average maximum temperatures have also been well above the historic average at 25°C for the first 10 days. Yesterday's temperature reached 33.3°C at around 2pm which was nearly 10°C above average. However, relief arrived late afternonn with the passage of a cool southwesterly change bringing with it less humid conditions and more normal nighttime temperatures for this time of year. For further information contact: Clinton Rakich (02) 9296 1555
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