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112° Death Valley, CA
 
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23° Angel Fire, NM
 
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2.80" Georgetown, SC

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Degree Days Seasonal Summary (65°F Base)

Data last updated 05/17/12 10:05.
Northern Hemisphere Meterological Seasons
Winter: December, January, February
Spring: March, April, May
Summer: June, July, August
Fall: September, October, November

Daily DetailMonthly SummarySeasonal Summary


DateHeating Degree Days
WinterSpringSummerFallYear
Dec 2011 / Nov 2012953.7 216.3 heating degree days more than the Winter average.123.2* 21.8 heating degree days more than the Spring average.------1076.9* 58.7 heating degree days more than the yearly average.
Dec 2010 / Nov 2011923.2 185.8 heating degree days more than the Winter average.79.7 21.7 heating degree days less than the Spring average.0.0  159.9 19.5 heating degree days less than the Fall average.1162.8 144.6 heating degree days more than the yearly average.
Dec 2009 / Nov 2010596.0* 141.4 heating degree days less than the Winter average.205.0 103.6 heating degree days more than the Spring average.0.0*  198.9 19.5 heating degree days more than the Fall average.999.9* 18.3 heating degree days less than the yearly average.
Dec 2008 / Nov 2009509.3* 228.1 heating degree days less than the Winter average.156.7 55.3 heating degree days more than the Spring average.------666.0* 352.2 heating degree days less than the yearly average.
Dec 2007 / Nov 2008567.2* 170.2 heating degree days less than the Winter average.73.9* 27.5 heating degree days less than the Spring average.------641.1* 377.1 heating degree days less than the yearly average.
Dec 2006 / Nov 2007875.0* 137.6 heating degree days more than the Winter average.61.2* 40.2 heating degree days less than the Spring average.------936.2* 82 heating degree days less than the yearly average.
Dec 2005 / Nov 2006---10.3* 91.1 heating degree days less than the Spring average.------10.3* 1007.9 heating degree days less than the yearly average.
 
Max953.7 205.0 0.0 198.9 1162.8
Avg737.4 101.4 0.0 179.4 1018.2
Min509.3 10.3 0.0 159.9 0.0
 
 
DateCooling Degree Days
WinterSpringSummerFallYear
Dec 2011 / Nov 20120.4 6.2 cooling degree days less than the Winter average.592.7* 112.9 cooling degree days more than the Spring average.------593.1* 2637.2 cooling degree days less than the yearly average.
Dec 2010 / Nov 20110.0 6.6 cooling degree days less than the Winter average.723.0 243.2 cooling degree days more than the Spring average.2570.3 877.4 cooling degree days more than the Summer average.1043.2 7.8 cooling degree days less than the Fall average.4336.5 1106.2 cooling degree days more than the yearly average.
Dec 2009 / Nov 20100.0* 6.6 cooling degree days less than the Winter average.470.4 9.4 cooling degree days less than the Spring average.815.4* 877.5 cooling degree days less than the Summer average.1058.8 7.8 cooling degree days more than the Fall average.2344.6* 885.7 cooling degree days less than the yearly average.
Dec 2008 / Nov 200917.1* 10.5 cooling degree days more than the Winter average.769.1 289.3 cooling degree days more than the Spring average.------786.2* 2444.1 cooling degree days less than the yearly average.
Dec 2007 / Nov 20086.8* 0.2 cooling degree days more than the Winter average.248.1* 231.7 cooling degree days less than the Spring average.------254.9* 2975.4 cooling degree days less than the yearly average.
Dec 2006 / Nov 200715.1* 8.5 cooling degree days more than the Winter average.407.0* 72.8 cooling degree days less than the Spring average.------422.1* 2808.2 cooling degree days less than the yearly average.
Dec 2005 / Nov 2006---148.3* 331.5 cooling degree days less than the Spring average.------148.3* 3082 cooling degree days less than the yearly average.
 
Max17.1 769.1 2570.3 1058.8 4336.5
Avg6.6 479.8 1692.9 1051.0 3230.3
Min0.0 148.3 815.4 1043.2 0.0
 
Color Key
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* 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 (65°F). Degree Days are used in estimating the energy needs for heating or cooling a building.

Script developed by Murry Conarroe of Wildwood Weather.