Seasonal Degree Days Summary (65°F Base)

Note: Data is updated after midnight each day.
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 2016 / Nov 2017992.7* 166.7 less than the Winter average.394.1 28 more than the Spring average.6.4 2.8 more than the Summer average.67.7* 207.3 less than the Fall average.1460.9* 343.2 less than the yearly average.
Dec 2015 / Nov 20161337.6* 178.2 more than the Winter average.351.3 14.8 less than the Spring average.0.4* 3.2 less than the Summer average.405.1* 130.1 more than the Fall average.2094.4* 290.3 more than the yearly average.
Dec 2014 / Nov 20151148.0* 11.4 less than the Winter average.353.0 13.1 less than the Spring average.4.1* 0.5 more than the Summer average.352.1 77.1 more than the Fall average.1857.2* 53.1 more than the yearly average.
 
Max1337.6 394.1 6.4 405.1 2094.4
Avg1159.4 366.1 3.6 275.0 1804.1
Min992.7 351.3 0.4 67.7 1460.9
 
 
DateCooling Degree Days
WinterSpringSummerFallYear
Dec 2016 / Nov 2017128.1* 46.9 more than the Winter average.478.3 24.8 more than the Spring average.1100.1 88.3 less than the Summer average.404.1* 91.9 less than the Fall average.2110.6* 108.5 less than the yearly average.
Dec 2015 / Nov 2016101.6* 20.4 more than the Winter average.432.8 20.7 less than the Spring average.1266.5* 78.1 more than the Summer average.536.1* 40.1 more than the Fall average.2337.0* 117.9 more than the yearly average.
Dec 2014 / Nov 201514.0* 67.2 less than the Winter average.449.4 4.1 less than the Spring average.1198.5* 10.1 more than the Summer average.547.9 51.9 more than the Fall average.2209.8* 9.3 less than the yearly average.
 
Max128.1 478.3 1266.5 547.9 2337.0
Avg81.2 453.5 1188.4 496.0 2219.1
Min14.0 432.8 1100.1 404.1 2110.6
 
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 (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.