Degree Days Seasonal Summary (18 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 2024 / Nov 20251270.7 60.3 more than the Winter average.842.3 35.7 more than the Spring average.233.1 10.2 less than the Summer average.284.0* 389 less than the Fall average.2630.1* 303.2 less than the yearly average.
Dec 2023 / Nov 20241388.1 177.7 more than the Winter average.793.9 12.7 less than the Spring average.279.9 36.6 more than the Summer average.719.3 46.3 more than the Fall average.3181.2 247.9 more than the yearly average.
Dec 2022 / Nov 20231301.4 91 more than the Winter average.1060.4 253.8 more than the Spring average.230.1 13.2 less than the Summer average.787.6 114.6 more than the Fall average.3379.5 446.2 more than the yearly average.
Dec 2021 / Nov 20221269.5 59.1 more than the Winter average.934.3 127.7 more than the Spring average.261.3 18 more than the Summer average.629.6 43.4 less than the Fall average.3094.7 161.4 more than the yearly average.
Dec 2020 / Nov 20211411.0 200.6 more than the Winter average.926.5 119.9 more than the Spring average.209.9 33.4 less than the Summer average.657.6 15.4 less than the Fall average.3205.0 271.7 more than the yearly average.
Dec 2019 / Nov 20201140.9 69.5 less than the Winter average.983.8 177.2 more than the Spring average.233.0 10.3 less than the Summer average.672.1 0.9 less than the Fall average.3029.8 96.5 more than the yearly average.
Dec 2018 / Nov 20191231.2 20.8 more than the Winter average.927.6 121 more than the Spring average.242.7 0.6 less than the Summer average.839.9 166.9 more than the Fall average.3241.4 308.1 more than the yearly average.
Dec 2017 / Nov 20181290.6* 80.2 more than the Winter average.473.8* 332.8 less than the Spring average.59.0* 184.3 less than the Summer average.846.3 173.3 more than the Fall average.2669.7* 263.6 less than the yearly average.
Dec 2016 / Nov 20171291.8 81.4 more than the Winter average.931.9* 125.3 more than the Spring average.289.9* 46.6 more than the Summer average.435.4* 237.6 less than the Fall average.2949.0* 15.7 more than the yearly average.
Dec 2015 / Nov 20161349.0* 138.6 more than the Winter average.371.4* 435.2 less than the Spring average.351.8 108.5 more than the Summer average.497.3* 175.7 less than the Fall average.2569.5* 363.8 less than the yearly average.
Dec 2014 / Nov 20151303.3* 92.9 more than the Winter average.1109.3 302.7 more than the Spring average.369.7 126.4 more than the Summer average.828.4* 155.4 more than the Fall average.3610.7* 677.4 more than the yearly average.
Dec 2013 / Nov 2014752.8* 457.6 less than the Winter average.868.4* 61.8 more than the Spring average.156.3* 87 less than the Summer average.665.7* 7.3 less than the Fall average.2443.2* 490.1 less than the yearly average.
Dec 2012 / Nov 2013560.7* 649.7 less than the Winter average.413.1* 393.5 less than the Spring average.292.2* 48.9 more than the Summer average.410.1* 262.9 less than the Fall average.1676.1* 1257.2 less than the yearly average.
Dec 2011 / Nov 20121405.8* 195.4 more than the Winter average.922.4* 115.8 more than the Spring average.363.1* 119.8 more than the Summer average.913.8 240.8 more than the Fall average.3605.1* 671.8 more than the yearly average.
Dec 2010 / Nov 20111619.8 409.4 more than the Winter average.589.8* 216.8 less than the Spring average.393.3* 150 more than the Summer average.599.4* 73.6 less than the Fall average.3202.3* 269 more than the yearly average.
Dec 2009 / Nov 20101987.2 776.8 more than the Winter average.757.3* 49.3 less than the Spring average.112.8* 130.5 less than the Summer average.881.4 208.4 more than the Fall average.3738.7* 805.4 more than the yearly average.
Dec 2008 / Nov 20093.7* 1206.7 less than the Winter average.---58.2* 185.1 less than the Summer average.773.6 100.6 more than the Fall average.835.5* 2097.8 less than the yearly average.
 
Max1987.2 1109.3 393.3 913.8 3738.7
Avg1210.4 806.6 243.3 673.0 2933.3
Min3.7 371.4 58.2 284.0 835.5
 
 
DateCooling Degree Days
WinterSpringSummerFallYear
Dec 2024 / Nov 20250.0  0.0 1.4 less than the Spring average.42.3 21.9 more than the Summer average.113.3* 105.1 more than the Fall average.155.6* 125.6 more than the yearly average.
Dec 2023 / Nov 20240.0  7.9 6.5 more than the Spring average.17.3 3.1 less than the Summer average.10.8 2.6 more than the Fall average.36.0 6 more than the yearly average.
Dec 2022 / Nov 20230.0  0.0 1.4 less than the Spring average.14.5 5.9 less than the Summer average.3.3 4.9 less than the Fall average.17.8 12.2 less than the yearly average.
Dec 2021 / Nov 20220.0  0.0 1.4 less than the Spring average.34.0 13.6 more than the Summer average.1.0 7.2 less than the Fall average.35.0 5 more than the yearly average.
Dec 2020 / Nov 20210.0  0.0 1.4 less than the Spring average.8.3 12.1 less than the Summer average.0.0 8.2 less than the Fall average.8.3 21.7 less than the yearly average.
Dec 2019 / Nov 20200.0  0.0 1.4 less than the Spring average.47.9 27.5 more than the Summer average.0.0 8.2 less than the Fall average.47.9 17.9 more than the yearly average.
Dec 2018 / Nov 20190.0  0.0 1.4 less than the Spring average.41.8 21.4 more than the Summer average.0.0 8.2 less than the Fall average.41.8 11.8 more than the yearly average.
Dec 2017 / Nov 20180.0*  12.2* 10.8 more than the Spring average.21.5* 1.1 more than the Summer average.2.4 5.8 less than the Fall average.36.1* 6.1 more than the yearly average.
Dec 2016 / Nov 20170.0  0.0* 1.4 less than the Spring average.2.6* 17.8 less than the Summer average.0.0* 8.2 less than the Fall average.2.6* 27.4 less than the yearly average.
Dec 2015 / Nov 20160.0*  0.0* 1.4 less than the Spring average.6.3 14.1 less than the Summer average.8.1* 0.1 less than the Fall average.14.4* 15.6 less than the yearly average.
Dec 2014 / Nov 20150.0*  0.0 1.4 less than the Spring average.19.8 0.6 less than the Summer average.0.0* 8.2 less than the Fall average.19.8* 10.2 less than the yearly average.
Dec 2013 / Nov 20140.0*  0.0* 1.4 less than the Spring average.40.7* 20.3 more than the Summer average.0.0* 8.2 less than the Fall average.40.7* 10.7 more than the yearly average.
Dec 2012 / Nov 20130.0*  0.0* 1.4 less than the Spring average.5.9* 14.5 less than the Summer average.0.0* 8.2 less than the Fall average.5.9* 24.1 less than the yearly average.
Dec 2011 / Nov 20120.0*  2.2* 0.8 more than the Spring average.2.4* 18 less than the Summer average.0.0 8.2 less than the Fall average.4.6* 25.4 less than the yearly average.
Dec 2010 / Nov 20110.0  0.1* 1.3 less than the Spring average.15.0* 5.4 less than the Summer average.0.0* 8.2 less than the Fall average.15.1* 14.9 less than the yearly average.
Dec 2009 / Nov 20100.0  0.0* 1.4 less than the Spring average.22.5* 2.1 more than the Summer average.0.4 7.8 less than the Fall average.22.9* 7.1 less than the yearly average.
Dec 2008 / Nov 20090.0*  ---4.2* 16.2 less than the Summer average.0.2 8 less than the Fall average.4.4* 25.6 less than the yearly average.
 
Max0.0 12.2 47.9 113.3 155.6
Avg0.0 1.4 20.4 8.2 30.0
Min0.0 0.0 2.4 0.0 2.6
 
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 (18). Degree Days are used in estimating the energy needs for heating or cooling a building.

Script Developed by Murry Conarroe of Wildwood Weather.