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 2023 / Nov 2024173.7* 528.9 less than the Winter average.181.3* 217.6 less than the Spring average.------355.0* 1248.8 less than the yearly average.
Dec 2022 / Nov 202311.7* 690.9 less than the Winter average.119.7* 279.2 less than the Spring average.173.7* 0.4 less than the Summer average.173.7* 154.5 less than the Fall average.478.8* 1125 less than the yearly average.
Dec 2021 / Nov 2022886.9* 184.3 more than the Winter average.677.7* 278.8 more than the Spring average.344.1* 170 more than the Summer average.11.7* 316.5 less than the Fall average.1920.4* 316.6 more than the yearly average.
Dec 2020 / Nov 2021------211.0* 36.9 more than the Summer average.525.0* 196.8 more than the Fall average.736.0* 867.8 less than the yearly average.
Dec 2019 / Nov 2020395.7* 306.9 less than the Winter average.133.3* 265.6 less than the Spring average.---105.5* 222.7 less than the Fall average.634.5* 969.3 less than the yearly average.
Dec 2018 / Nov 20191320.0 617.4 more than the Winter average.349.3* 49.6 less than the Spring average.84.0* 90.1 less than the Summer average.188.6* 139.6 less than the Fall average.1941.9* 338.1 more than the yearly average.
Dec 2017 / Nov 20181427.8 725.2 more than the Winter average.571.0* 172.1 more than the Spring average.134.0* 40.1 less than the Summer average.610.6 282.4 more than the Fall average.2743.4* 1139.6 more than the yearly average.
Dec 2016 / Nov 2017---759.8 360.9 more than the Spring average.97.8* 76.3 less than the Summer average.682.2* 354 more than the Fall average.1539.8* 64 less than the yearly average.
 
Max1427.8 759.8 344.1 682.2 2743.4
Avg702.6 398.9 174.1 328.2 1603.8
Min11.7 119.7 84.0 11.7 355.0
 
 
DateCooling Degree Days
WinterSpringSummerFallYear
Dec 2023 / Nov 20240.0* 31 less than the Winter average.0.0* 9.9 less than the Spring average.------0.0* 119.8 less than the yearly average.
Dec 2022 / Nov 2023185.7* 154.7 more than the Winter average.61.9* 52 more than the Spring average.0.0* 40.9 less than the Summer average.0.0* 38 less than the Fall average.247.6* 127.8 more than the yearly average.
Dec 2021 / Nov 20220.0* 31 less than the Winter average.0.0* 9.9 less than the Spring average.0.0* 40.9 less than the Summer average.185.7* 147.7 more than the Fall average.185.7* 65.9 more than the yearly average.
Dec 2020 / Nov 2021------35.4* 5.5 less than the Summer average.16.2* 21.8 less than the Fall average.51.6* 68.2 less than the yearly average.
Dec 2019 / Nov 20200.0* 31 less than the Winter average.0.1* 9.8 less than the Spring average.---17.7* 20.3 less than the Fall average.17.8* 102 less than the yearly average.
Dec 2018 / Nov 20190.0 31 less than the Winter average.0.0* 9.9 less than the Spring average.41.4* 0.5 more than the Summer average.0.5* 37.5 less than the Fall average.41.9* 77.9 less than the yearly average.
Dec 2017 / Nov 20180.0 31 less than the Winter average.0.2* 9.7 less than the Spring average.89.1* 48.2 more than the Summer average.9.2 28.8 less than the Fall average.98.5* 21.3 less than the yearly average.
Dec 2016 / Nov 2017---7.3 2.6 less than the Spring average.79.5* 38.6 more than the Summer average.36.8* 1.2 less than the Fall average.123.6* 3.8 more than the yearly average.
 
Max185.7 61.9 89.1 185.7 247.6
Avg31.0 9.9 40.9 38.0 119.8
Min0.0 0.0 0.0 0.0 0.0
 
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.