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Degree Days Seasonal Summary (18 Base)

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

 Daily DetailMonthly SummarySeasonal Summary 
DateHeating Degree Days
SummerFallWinterSpringYear
Dec 2017 / Nov 201811.3* 78.6 less than the Summer average.---------11.3* 1537.8 less than the yearly average.
Dec 2016 / Nov 2017128.0 38.1 more than the Summer average.353.2 25.1 more than the Fall average.714.7 16.3 less than the Winter average.382.8 17.3 less than the Spring average.1578.7 29.6 more than the yearly average.
Dec 2015 / Nov 2016113.2 23.3 more than the Summer average.293.1 35 less than the Fall average.746.5 15.5 more than the Winter average.377.2 22.9 less than the Spring average.1530.0 19.1 less than the yearly average.
Dec 2014 / Nov 2015131.6 41.7 more than the Summer average.370.4 42.3 more than the Fall average.758.7 27.7 more than the Winter average.470.0* 69.9 more than the Spring average.1730.7* 181.6 more than the yearly average.
Dec 2013 / Nov 201497.0 7.1 more than the Summer average.334.6 6.5 more than the Fall average.731.6 0.6 more than the Winter average.432.2 32.1 more than the Spring average.1595.4 46.3 more than the yearly average.
Dec 2012 / Nov 2013102.6 12.7 more than the Summer average.332.0 3.9 more than the Fall average.722.2 8.8 less than the Winter average.339.9 60.2 less than the Spring average.1496.7 52.4 less than the yearly average.
Dec 2011 / Nov 2012138.9 49 more than the Summer average.381.0 52.9 more than the Fall average.718.2 12.8 less than the Winter average.422.4 22.3 more than the Spring average.1660.5 111.4 more than the yearly average.
Dec 2010 / Nov 201132.9 57 less than the Summer average.261.0 67.1 less than the Fall average.730.6 0.4 less than the Winter average.420.3 20.2 more than the Spring average.1444.8 104.3 less than the yearly average.
Dec 2009 / Nov 201053.5 36.4 less than the Summer average.299.5 28.6 less than the Fall average.725.5 5.5 less than the Winter average.356.0 44.1 less than the Spring average.1434.5 114.6 less than the yearly average.
 
Max138.9 381.0 758.7 470.0 1730.7
Avg89.9 328.1 731.0 400.1 1549.1
Min11.3 261.0 714.7 339.9 11.3
 
 
DateCooling Degree Days
SummerFallWinterSpringYear
Dec 2017 / Nov 201854.7* 145.7 less than the Summer average.---------54.7* 266.9 less than the yearly average.
Dec 2016 / Nov 2017219.7 19.3 more than the Summer average.71.9 3.7 more than the Fall average.2.4 0.9 less than the Winter average.40.0 9.7 less than the Spring average.334.0 12.4 more than the yearly average.
Dec 2015 / Nov 2016253.3 52.9 more than the Summer average.101.3 33.1 more than the Fall average.8.3 5 more than the Winter average.61.5 11.8 more than the Spring average.424.4 102.8 more than the yearly average.
Dec 2014 / Nov 2015204.7 4.3 more than the Summer average.92.5 24.3 more than the Fall average.2.3 1 less than the Winter average.55.3* 5.6 more than the Spring average.354.8* 33.2 more than the yearly average.
Dec 2013 / Nov 2014233.0 32.6 more than the Summer average.73.0 4.8 more than the Fall average.4.9 1.6 more than the Winter average.54.5 4.8 more than the Spring average.365.4 43.8 more than the yearly average.
Dec 2012 / Nov 2013251.6 51.2 more than the Summer average.96.8 28.6 more than the Fall average.5.1 1.8 more than the Winter average.62.6 12.9 more than the Spring average.416.1 94.5 more than the yearly average.
Dec 2011 / Nov 2012156.2 44.2 less than the Summer average.45.2 23 less than the Fall average.1.3 2 less than the Winter average.45.0 4.7 less than the Spring average.247.7 73.9 less than the yearly average.
Dec 2010 / Nov 2011244.7 44.3 more than the Summer average.39.3 28.9 less than the Fall average.2.2 1.1 less than the Winter average.56.8 7.1 more than the Spring average.343.0 21.4 more than the yearly average.
Dec 2009 / Nov 2010185.9 14.5 less than the Summer average.25.4 42.8 less than the Fall average.0.0 3.3 less than the Winter average.21.7 28 less than the Spring average.233.0 88.6 less than the yearly average.
 
Max253.3 101.3 8.3 62.6 424.4
Avg200.4 68.2 3.3 49.7 321.6
Min54.7 25.4 0.0 21.7 54.7
 
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). Degree Days are used in estimating the energy needs for heating or cooling a building.

Script Developed by Murry Conarroe of Wildwood Weather.



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