Degree Days Seasonal Summary (18°C Base)

Data last updated 27/07/17 3:50 PM.
Northern Hemisphere Meterological Seasons
Winter: December, January, February
Spring: March, April, May
Summer: June, July, August
Autumn: September, October, November

 Daily DetailMonthly SummarySeasonal Summary 



DateHeating Degree Days
WinterSpringSummerAutumnYear
Dec 2016 / Nov 2017275.1 22.5 heating degree days less than the Winter average.184.4 67.9 heating degree days less than the Spring average.0.4* 8.6 heating degree days less than the Summer average.---459.9* 142.3 heating degree days less than the yearly average.
Dec 2015 / Nov 2016225.2 72.4 heating degree days less than the Winter average.294.5 42.2 heating degree days more than the Spring average.2.9 6.1 heating degree days less than the Summer average.58.7 15.4 heating degree days more than the Autumn average.581.3 20.9 heating degree days less than the yearly average.
Dec 2014 / Nov 2015365.4 67.8 heating degree days more than the Winter average.271.6 19.3 heating degree days more than the Spring average.17.7 8.7 heating degree days more than the Summer average.42.5 0.8 heating degree days less than the Autumn average.697.2 95 heating degree days more than the yearly average.
Dec 2013 / Nov 2014285.2 12.4 heating degree days less than the Winter average.233.6 18.7 heating degree days less than the Spring average.7.7 1.3 heating degree days less than the Summer average.44.5 1.2 heating degree days more than the Autumn average.571.0 31.2 heating degree days less than the yearly average.
Dec 2012 / Nov 2013285.2 12.4 heating degree days less than the Winter average.230.7 21.6 heating degree days less than the Spring average.15.9 6.9 heating degree days more than the Summer average.27.0* 16.3 heating degree days less than the Autumn average.558.8* 43.4 heating degree days less than the yearly average.
Dec 2011 / Nov 2012349.7 52.1 heating degree days more than the Winter average.234.7 17.6 heating degree days less than the Spring average.0.0 9 heating degree days less than the Summer average.63.8 20.5 heating degree days more than the Autumn average.648.2 46 heating degree days more than the yearly average.
Dec 2010 / Nov 2011335.5 37.9 heating degree days more than the Winter average.308.9 56.6 heating degree days more than the Spring average.16.7 7.7 heating degree days more than the Summer average.55.7 12.4 heating degree days more than the Autumn average.716.8 114.6 heating degree days more than the yearly average.
Dec 2009 / Nov 2010259.1 38.5 heating degree days less than the Winter average.259.8 7.5 heating degree days more than the Spring average.10.4 1.4 heating degree days more than the Summer average.30.9 12.4 heating degree days less than the Autumn average.560.2 42 heating degree days less than the yearly average.
Dec 2008 / Nov 2009---------22.9* 20.4 heating degree days less than the Autumn average.22.9* 579.3 heating degree days less than the yearly average.
 
Max365.4 308.9 17.7 63.8 716.8
Avg297.6 252.3 9.0 43.3 602.2
Min225.2 184.4 0.0 22.9 22.9
 
 
DateCooling Degree Days
WinterSpringSummerAutumnYear
Dec 2016 / Nov 20170.0 1.8 cooling degree days less than the Winter average.13.4 4.5 cooling degree days more than the Spring average.75.7* 100.4 cooling degree days less than the Summer average.---89.1* 222.4 cooling degree days less than the yearly average.
Dec 2015 / Nov 20167.9 6.1 cooling degree days more than the Winter average.0.0 8.9 cooling degree days less than the Spring average.210.7 34.6 cooling degree days more than the Summer average.117.5 7.2 cooling degree days less than the Autumn average.336.1 24.6 cooling degree days more than the yearly average.
Dec 2014 / Nov 20150.6 1.2 cooling degree days less than the Winter average.6.8 2.1 cooling degree days less than the Spring average.209.8 33.7 cooling degree days more than the Summer average.125.7 1 cooling degree days more than the Autumn average.342.9 31.4 cooling degree days more than the yearly average.
Dec 2013 / Nov 20143.3 1.5 cooling degree days more than the Winter average.0.7 8.2 cooling degree days less than the Spring average.170.6 5.5 cooling degree days less than the Summer average.150.6 25.9 cooling degree days more than the Autumn average.325.2 13.7 cooling degree days more than the yearly average.
Dec 2012 / Nov 20131.1 0.7 cooling degree days less than the Winter average.19.2 10.3 cooling degree days more than the Spring average.184.2 8.1 cooling degree days more than the Summer average.90.9* 33.8 cooling degree days less than the Autumn average.295.4* 16.1 cooling degree days less than the yearly average.
Dec 2011 / Nov 20120.0 1.8 cooling degree days less than the Winter average.21.4 12.5 cooling degree days more than the Spring average.274.9 98.8 cooling degree days more than the Summer average.162.3 37.6 cooling degree days more than the Autumn average.458.6 147.1 cooling degree days more than the yearly average.
Dec 2010 / Nov 20111.8  0.7 8.2 cooling degree days less than the Spring average.135.6 40.5 cooling degree days less than the Summer average.130.3 5.6 cooling degree days more than the Autumn average.268.4 43.1 cooling degree days less than the yearly average.
Dec 2009 / Nov 20100.0 1.8 cooling degree days less than the Winter average.9.0 0.1 cooling degree days more than the Spring average.147.2 28.9 cooling degree days less than the Summer average.107.1 17.6 cooling degree days less than the Autumn average.263.3 48.2 cooling degree days less than the yearly average.
Dec 2008 / Nov 2009---------112.9* 11.8 cooling degree days less than the Autumn average.112.9* 198.6 cooling degree days less than the yearly average.
 
Max7.9 21.4 274.9 162.3 458.6
Avg1.8 8.9 176.1 124.7 311.5
Min0.0 0.0 75.7 90.9 89.1
 
Color Key
< 25 25 - 50 50 - 75 75 - 100 100 - 125 125 - 150 150 - 175 175 - 200 200 - 225 225 - 250 250 - 275 275 - 300300>

Script Developed by Murry Conarroe of Wildwood Weather.

* 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.