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Degree Days Seasonal Summary (18°C Base)

Note: Data is updated after midnight each day.
Southern Hemisphere Meterological Seasons
Summer: December, January, February
Autumn: March, April, May
Winter: June, July, August
Spring: September, October, November

 Daily DetailMonthly SummarySeasonal Summary 
DateHeating Degree Days
SummerAutumnWinterSpringYear
Dec 2013 / Nov 2014273.9 30.6 more than the Summer average.507.5 36.1 less than the Autumn average.554.2* 201.8 less than the Winter average.---1335.6* 751 less than the yearly average.
Dec 2012 / Nov 2013202.4 40.9 less than the Summer average.528.0 15.6 less than the Autumn average.858.6 102.6 more than the Winter average.577.7 34 more than the Spring average.2166.7 80.1 more than the yearly average.
Dec 2011 / Nov 2012138.8 104.5 less than the Summer average.449.7 93.9 less than the Autumn average.929.9 173.9 more than the Winter average.568.3 24.6 more than the Spring average.2086.7 0.1 more than the yearly average.
Dec 2010 / Nov 2011209.2 34.1 less than the Summer average.508.5 35.1 less than the Autumn average.893.0 137 more than the Winter average.489.7 54 less than the Spring average.2100.4 13.8 more than the yearly average.
Dec 2009 / Nov 2010392.0* 148.7 more than the Summer average.724.5 180.9 more than the Autumn average.544.3 211.7 less than the Winter average.539.2 4.5 less than the Spring average.2200.0* 113.4 more than the yearly average.
 
Max392.0 724.5 929.9 577.7 2200.0
Avg243.3 543.6 756.0 543.7 2086.6
Min138.8 449.7 544.3 489.7 1335.6
 
 
DateCooling Degree Days
SummerAutumnWinterSpringYear
Dec 2013 / Nov 2014127.8 33.1 more than the Summer average.45.1 9.7 less than the Autumn average.0.0* 40.6 less than the Winter average.---172.9* 47.6 less than the yearly average.
Dec 2012 / Nov 2013169.7 75 more than the Summer average.52.0 2.8 less than the Autumn average.10.4 30.2 less than the Winter average.20.5 9.9 less than the Spring average.252.6 32.1 more than the yearly average.
Dec 2011 / Nov 2012148.4 53.7 more than the Summer average.150.2 95.4 more than the Autumn average.28.8 11.8 less than the Winter average.37.7 7.3 more than the Spring average.365.1 144.6 more than the yearly average.
Dec 2010 / Nov 201127.6 67.1 less than the Summer average.26.5 28.3 less than the Autumn average.0.0 40.6 less than the Winter average.60.7 30.3 more than the Spring average.114.8 105.7 less than the yearly average.
Dec 2009 / Nov 20100.0* 94.7 less than the Summer average.0.0 54.8 less than the Autumn average.163.6 123 more than the Winter average.2.8 27.6 less than the Spring average.166.4* 54.1 less than the yearly average.
 
Max169.7 150.2 163.6 60.7 365.1
Avg94.7 54.8 40.6 30.4 220.5
Min0.0 0.0 0.0 2.8 114.8
 
Color Key
< 300 300 - 600 600 - 900 900 - 1200 1200 - 1500 1500 - 1800 1800 - 2100 2100 - 2400 2400 - 2700 2700 - 3000 3000 - 3300 3300 - 36003600>
* denotes incomplete data for the month/year.

A Degree Day is a unit of measurement equal to a difference of one degree between the mean outdoor temperature and a reference temperature (18°C). Degree Days are used in estimating the energy needs for heating or cooling a building.

Script Developed by Murry Conarroe of Wildwood Weather.