Degree Days Seasonal Summary (65°F Base)

Data last updated 3/19/2024 06:58 AM.
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 20243155.7 573.7 less than the Winter average.423.1* 1208.5 less than the Spring average.------3578.8* 3245.5 less than the yearly average.
Dec 2022 / Nov 20233409.5* 319.9 less than the Winter average.1688.0 56.4 more than the Spring average.49.6 6 more than the Summer average.1309.9 109.8 less than the Fall average.6457.0* 367.3 less than the yearly average.
Dec 2021 / Nov 20223882.5 153.1 more than the Winter average.1873.0 241.4 more than the Spring average.54.0 10.4 more than the Summer average.1443.3 23.6 more than the Fall average.7252.8 428.5 more than the yearly average.
Dec 2020 / Nov 20213901.1 171.7 more than the Winter average.1529.5 102.1 less than the Spring average.11.3 32.3 less than the Summer average.1223.3 196.4 less than the Fall average.6665.2 159.1 less than the yearly average.
Dec 2019 / Nov 20203528.2 201.2 less than the Winter average.1793.9 162.3 more than the Spring average.30.5 13.1 less than the Summer average.1473.8 54.1 more than the Fall average.6826.4 2.1 more than the yearly average.
Dec 2018 / Nov 20193907.1 177.7 more than the Winter average.1944.1 312.5 more than the Spring average.86.6 43 more than the Summer average.1643.4* 223.7 more than the Fall average.7581.2* 756.9 more than the yearly average.
Dec 2017 / Nov 20183924.5 195.1 more than the Winter average.1934.8 303.2 more than the Spring average.26.6 17 less than the Summer average.1721.0 301.3 more than the Fall average.7606.9 782.6 more than the yearly average.
Dec 2016 / Nov 20173530.0 199.4 less than the Winter average.1720.8 89.2 more than the Spring average.61.3 17.7 more than the Summer average.1365.4 54.3 less than the Fall average.6677.5 146.8 less than the yearly average.
Dec 2015 / Nov 20163318.8* 410.6 less than the Winter average.1528.9* 102.7 less than the Spring average.17.3* 26.3 less than the Summer average.1037.8 381.9 less than the Fall average.5902.8* 921.5 less than the yearly average.
Dec 2014 / Nov 20153989.3 259.9 more than the Winter average.1610.1 21.5 less than the Spring average.69.4 25.8 more than the Summer average.1151.3 268.4 less than the Fall average.6820.1 4.2 less than the yearly average.
Dec 2013 / Nov 20144573.8 844.4 more than the Winter average.1965.6 334 more than the Spring average.24.9 18.7 less than the Summer average.1724.8 305.1 more than the Fall average.8289.1 1464.8 more than the yearly average.
Dec 2012 / Nov 20133649.3 80.1 less than the Winter average.2072.8 441.2 more than the Spring average.80.3 36.7 more than the Summer average.1523.5 103.8 more than the Fall average.7325.9 501.6 more than the yearly average.
Dec 2011 / Nov 20123306.1 423.3 less than the Winter average.1139.5 492.1 less than the Spring average.29.0 14.6 less than the Summer average.1545.6 125.9 more than the Fall average.6020.2 804.1 less than the yearly average.
Dec 2010 / Nov 20114018.2 288.8 more than the Winter average.1883.5 251.9 more than the Spring average.46.1 2.5 more than the Summer average.1379.7 40 less than the Fall average.7327.5 503.2 more than the yearly average.
Dec 2009 / Nov 20103846.4 117 more than the Winter average.1366.5 265.1 less than the Spring average.22.8 20.8 less than the Summer average.1332.6 87.1 less than the Fall average.6568.3 256 less than the yearly average.
 
Max4573.8 2072.8 86.6 1724.8 8289.1
Avg3729.4 1631.6 43.6 1419.7 6824.3
Min3155.7 423.1 11.3 1037.8 3578.8
 
 
DateCooling Degree Days
WinterSpringSummerFallYear
Dec 2023 / Nov 20240.0  0.0* 55.3 less than the Spring average.------0.0* 718.4 less than the yearly average.
Dec 2022 / Nov 20230.0*  58.0 2.7 more than the Spring average.620.6 29.6 more than the Summer average.112.5 40.4 more than the Fall average.791.1* 72.7 more than the yearly average.
Dec 2021 / Nov 20220.0  115.9 60.6 more than the Spring average.547.5 43.5 less than the Summer average.76.8 4.7 more than the Fall average.740.2 21.8 more than the yearly average.
Dec 2020 / Nov 20210.0  52.9 2.4 less than the Spring average.685.3 94.3 more than the Summer average.58.9 13.2 less than the Fall average.797.1 78.7 more than the yearly average.
Dec 2019 / Nov 20200.0  36.2 19.1 less than the Spring average.651.4 60.4 more than the Summer average.16.3 55.8 less than the Fall average.703.9 14.5 less than the yearly average.
Dec 2018 / Nov 20190.0  15.3 40 less than the Spring average.495.7 95.3 less than the Summer average.68.5* 3.6 less than the Fall average.579.5* 138.9 less than the yearly average.
Dec 2017 / Nov 20180.0  100.1 44.8 more than the Spring average.555.7 35.3 less than the Summer average.87.4 15.3 more than the Fall average.743.2 24.8 more than the yearly average.
Dec 2016 / Nov 20170.0  12.2 43.1 less than the Spring average.408.6 182.4 less than the Summer average.101.7 29.6 more than the Fall average.522.5 195.9 less than the yearly average.
Dec 2015 / Nov 20160.0*  57.4* 2.1 more than the Spring average.650.5* 59.5 more than the Summer average.69.3 2.8 less than the Fall average.777.2* 58.8 more than the yearly average.
Dec 2014 / Nov 20150.0  38.0 17.3 less than the Spring average.467.6 123.4 less than the Summer average.120.7 48.6 more than the Fall average.626.3 92.1 less than the yearly average.
Dec 2013 / Nov 20140.0  47.4 7.9 less than the Spring average.427.8 163.2 less than the Summer average.60.8 11.3 less than the Fall average.536.0 182.4 less than the yearly average.
Dec 2012 / Nov 20130.0  88.4 33.1 more than the Spring average.538.0 53 less than the Summer average.95.1 23 more than the Fall average.721.5 3.1 more than the yearly average.
Dec 2011 / Nov 20120.0  79.7 24.4 more than the Spring average.854.9 263.9 more than the Summer average.57.5 14.6 less than the Fall average.992.1 273.7 more than the yearly average.
Dec 2010 / Nov 20110.0  39.8 15.5 less than the Spring average.703.5 112.5 more than the Summer average.53.4 18.7 less than the Fall average.796.7 78.3 more than the yearly average.
Dec 2009 / Nov 20100.0  88.6 33.3 more than the Spring average.667.4 76.4 more than the Summer average.31.1 41 less than the Fall average.787.1 68.7 more than the yearly average.
 
Max0.0 115.9 854.9 120.7 992.1
Avg0.0 55.3 591.0 72.1 718.4
Min0.0 0.0 408.6 16.3 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 (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.