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 2017 / Nov 201833.7* 754.3 less than the Winter average.---------33.7* 1578.1 less than the yearly average.
Dec 2016 / Nov 2017992.7* 204.7 more than the Winter average.394.1 21.4 more than the Spring average.6.4 3 more than the Summer average.490.3 42.6 more than the Fall average.1883.5* 271.7 more than the yearly average.
Dec 2015 / Nov 20161337.6* 549.6 more than the Winter average.351.3 21.4 less than the Spring average.0.4* 3 less than the Summer average.405.1* 42.6 less than the Fall average.2094.4* 482.6 more than the yearly average.
 
Max1337.6 394.1 6.4 490.3 2094.4
Avg788.0 372.7 3.4 447.7 1611.8
Min33.7 351.3 0.4 405.1 33.7
 
 
DateCooling Degree Days
WinterSpringSummerFallYear
Dec 2017 / Nov 20182.8* 74.7 less than the Winter average.---------2.8* 2228.5 less than the yearly average.
Dec 2016 / Nov 2017128.1* 50.6 more than the Winter average.478.3 22.7 more than the Spring average.1100.1 83.2 less than the Summer average.493.6 21.3 less than the Fall average.2200.1* 31.2 less than the yearly average.
Dec 2015 / Nov 2016101.6* 24.1 more than the Winter average.432.8 22.8 less than the Spring average.1266.5* 83.2 more than the Summer average.536.1* 21.2 more than the Fall average.2337.0* 105.7 more than the yearly average.
 
Max128.1 478.3 1266.5 536.1 2337.0
Avg77.5 455.6 1183.3 514.9 2231.3
Min2.8 432.8 1100.1 493.6 2.8
 
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 (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.