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 2017957.3 334.1 less than the Winter average.343.3 31 less than the Spring average.1.8 0.1 more than the Summer average.33.7* 348.8 less than the Fall average.1336.1* 713.8 less than the yearly average.
Dec 2015 / Nov 20161232.1 59.3 less than the Winter average.283.8 90.5 less than the Spring average.0.0 1.7 less than the Summer average.344.4 38.1 less than the Fall average.1860.3 189.6 less than the yearly average.
Dec 2014 / Nov 20151559.1 267.7 more than the Winter average.270.2 104.1 less than the Spring average.2.6 0.9 more than the Summer average.289.5 93 less than the Fall average.2121.4 71.5 more than the yearly average.
Dec 2013 / Nov 20141703.8 412.4 more than the Winter average.530.9 156.6 more than the Spring average.2.1 0.4 more than the Summer average.561.6 179.1 more than the Fall average.2798.4 748.5 more than the yearly average.
Dec 2012 / Nov 20131202.3 89.1 less than the Winter average.616.0 241.7 more than the Spring average.1.2 0.5 less than the Summer average.485.7 103.2 more than the Fall average.2305.2 255.3 more than the yearly average.
Dec 2011 / Nov 20121093.7 197.7 less than the Winter average.201.3 173 less than the Spring average.2.7 1 more than the Summer average.580.1 197.6 more than the Fall average.1877.8 172.1 less than the yearly average.
 
Max1703.8 616.0 2.7 580.1 2798.4
Avg1291.4 374.3 1.7 382.5 2049.9
Min957.3 201.3 0.0 33.7 1336.1
 
 
DateCooling Degree Days
WinterSpringSummerFallYear
Dec 2016 / Nov 2017123.5 53.6 more than the Winter average.496.2 36 more than the Spring average.1205.2 89.1 less than the Summer average.470.9* 70.6 less than the Fall average.2295.8* 70.1 less than the yearly average.
Dec 2015 / Nov 201698.5 28.6 more than the Winter average.444.4 15.8 less than the Spring average.1387.3 93 more than the Summer average.692.3 150.8 more than the Fall average.2622.5 256.6 more than the yearly average.
Dec 2014 / Nov 201529.3 40.6 less than the Winter average.489.3 29.1 more than the Spring average.1391.0 96.7 more than the Summer average.581.6 40.1 more than the Fall average.2491.2 125.3 more than the yearly average.
Dec 2013 / Nov 201453.5 16.4 less than the Winter average.380.2 80 less than the Spring average.1218.4 75.9 less than the Summer average.529.9 11.6 less than the Fall average.2182.0 183.9 less than the yearly average.
Dec 2012 / Nov 201354.4 15.5 less than the Winter average.366.0 94.2 less than the Spring average.1235.0 59.3 less than the Summer average.525.0 16.5 less than the Fall average.2180.4 185.5 less than the yearly average.
Dec 2011 / Nov 201259.9 10 less than the Winter average.585.0 124.8 more than the Spring average.1328.7 34.4 more than the Summer average.449.0 92.5 less than the Fall average.2422.6 56.7 more than the yearly average.
 
Max123.5 585.0 1391.0 692.3 2622.5
Avg69.9 460.2 1294.3 541.5 2365.9
Min29.3 366.0 1205.2 449.0 2180.4
 
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.