Sydney Morning Herald: AUSTRALIAN temperatures remained hotter than average this year, the World Meteorological Organisation reports, summing up the year as one marked by extreme weather events. They included floods, severe and persistent droughts, snowstorms, heatwaves, cold waves and the shrinking of the Arctic sea ice to its second-lowest level on record. The year is expected to rank as the 10th-warmest on record for the planet. Temperatures were about one-third of a degree above average despite …