For average daily minimum temperature, records were set in spring and summer and temperatures were well within the top 25 % for the other two seasons. (pacificclimate.org)
For example, freezing rain, which results in ice storms, is not represented in climate models, but frequencies of daily minimum temperatures on wet days might serve as useful surrogate variables (Konrad, 1998). (ipcc.ch)
2010 BoM annual records state that «Perth Metro's annual mean daily maximum temperature in 2010 was 25.3 C, which was the warmest year on record since records commenced in 1897», while «Perth Metro's annual mean daily minimum temperature in 2010 was 12.4 C, which was 0.3 C below normal» (waclimate.net)