Degree Days Seasonal Summary (65°F Base)

Data last updated 5/15/2023 15:15.
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 2022 / Nov 2023956.3 117.4 more than the Winter average.163.6* 83.2 more than the Spring average.0.0*  ---1119.9* 97.4 more than the yearly average.
Dec 2021 / Nov 2022678.2 160.7 less than the Winter average.70.6 9.8 less than the Spring average.0.0  202.3* 99.1 more than the Fall average.951.1* 71.4 less than the yearly average.
Dec 2020 / Nov 2021752.4 86.5 less than the Winter average.109.8* 29.4 more than the Spring average.0.0  10.3* 92.9 less than the Fall average.872.5* 150 less than the yearly average.
Dec 2019 / Nov 2020820.9 18 less than the Winter average.77.1 3.3 less than the Spring average.0.0*  95.9 7.3 less than the Fall average.993.9* 28.6 less than the yearly average.
Dec 2018 / Nov 2019943.8 104.9 more than the Winter average.65.2 15.2 less than the Spring average.0.0*  114.6 11.4 more than the Fall average.1123.6* 101.1 more than the yearly average.
Dec 2017 / Nov 2018582.7 256.2 less than the Winter average.49.9 30.5 less than the Spring average.0.0  117.3 14.1 more than the Fall average.749.9 272.6 less than the yearly average.
Dec 2016 / Nov 2017630.3* 208.6 less than the Winter average.35.9 44.5 less than the Spring average.0.0*  3.9 99.3 less than the Fall average.670.1* 352.4 less than the yearly average.
Dec 2015 / Nov 2016828.6 10.3 less than the Winter average.22.7 57.7 less than the Spring average.0.0*  71.9* 31.3 less than the Fall average.923.2* 99.3 less than the yearly average.
Dec 2014 / Nov 2015593.9* 245 less than the Winter average.40.2 40.2 less than the Spring average.0.0  174.2 71 more than the Fall average.808.3* 214.2 less than the yearly average.
Dec 2013 / Nov 2014736.0 102.9 less than the Winter average.28.7 51.7 less than the Spring average.0.0  102.8 0.4 less than the Fall average.867.5 155 less than the yearly average.
Dec 2012 / Nov 20131055.7* 216.8 more than the Winter average.63.3* 17.1 less than the Spring average.0.0  97.0 6.2 less than the Fall average.1216.0* 193.5 more than the yearly average.
Dec 2011 / Nov 2012953.7 114.8 more than the Winter average.123.2 42.8 more than the Spring average.0.0  46.5* 56.7 less than the Fall average.1123.4* 100.9 more than the yearly average.
Dec 2010 / Nov 2011923.2 84.3 more than the Winter average.79.7 0.7 less than the Spring average.0.0  159.9 56.7 more than the Fall average.1162.8 140.3 more than the yearly average.
Dec 2009 / Nov 20101065.4 226.5 more than the Winter average.205.0 124.6 more than the Spring average.0.0  198.9 95.7 more than the Fall average.1469.3 446.8 more than the yearly average.
Dec 2008 / Nov 2009900.3* 61.4 more than the Winter average.156.7 76.3 more than the Spring average.0.0*  157.0* 53.8 more than the Fall average.1214.0* 191.5 more than the yearly average.
Dec 2007 / Nov 2008965.2 126.3 more than the Winter average.84.7 4.3 more than the Spring average.0.0  102.3 0.9 less than the Fall average.1152.2 129.7 more than the yearly average.
Dec 2006 / Nov 2007875.0* 36.1 more than the Winter average.61.2* 19.2 less than the Spring average.0.0*  36.7* 66.5 less than the Fall average.972.9* 49.6 less than the yearly average.
Dec 2005 / Nov 2006---10.3* 70.1 less than the Spring average.0.0*  62.5 40.7 less than the Fall average.72.8* 949.7 less than the yearly average.
 
Max1065.4 205.0 0.0 202.3 1469.3
Avg838.9 80.4 0.0 103.2 1022.5
Min582.7 10.3 0.0 3.9 72.8
 
 
DateCooling Degree Days
WinterSpringSummerFallYear
Dec 2022 / Nov 20230.0 11.7 less than the Winter average.484.6* 291.1 less than the Spring average.178.7* 2238 less than the Summer average.---663.3* 3618.8 less than the yearly average.
Dec 2021 / Nov 202210.3 1.4 less than the Winter average.1021.6 245.9 more than the Spring average.2710.9 294.2 more than the Summer average.1109.7* 31.7 more than the Fall average.4852.5* 570.4 more than the yearly average.
Dec 2020 / Nov 202121.2 9.5 more than the Winter average.960.1* 184.4 more than the Spring average.2650.2 233.5 more than the Summer average.1090.2* 12.2 more than the Fall average.4721.7* 439.6 more than the yearly average.
Dec 2019 / Nov 20206.7 5 less than the Winter average.949.7 174 more than the Spring average.2671.6* 254.9 more than the Summer average.1438.2 360.2 more than the Fall average.5066.2* 784.1 more than the yearly average.
Dec 2018 / Nov 20190.0 11.7 less than the Winter average.716.9 58.8 less than the Spring average.2722.4* 305.7 more than the Summer average.1086.2 8.2 more than the Fall average.4525.5* 243.4 more than the yearly average.
Dec 2017 / Nov 201813.4 1.7 more than the Winter average.1015.6 239.9 more than the Spring average.2729.8 313.1 more than the Summer average.1059.6 18.4 less than the Fall average.4818.4 536.3 more than the yearly average.
Dec 2016 / Nov 201714.5* 2.8 more than the Winter average.984.4 208.7 more than the Spring average.2661.4* 244.7 more than the Summer average.1313.7 235.7 more than the Fall average.4974.0* 691.9 more than the yearly average.
Dec 2015 / Nov 201654.1 42.4 more than the Winter average.855.1 79.4 more than the Spring average.2540.3* 123.6 more than the Summer average.765.0* 313 less than the Fall average.4214.5* 67.6 less than the yearly average.
Dec 2014 / Nov 201522.2* 10.5 more than the Winter average.821.8 46.1 more than the Spring average.2694.4 277.7 more than the Summer average.1126.1 48.1 more than the Fall average.4664.5* 382.4 more than the yearly average.
Dec 2013 / Nov 201416.7 5 more than the Winter average.837.1 61.4 more than the Spring average.2486.2 69.5 more than the Summer average.1081.0 3 more than the Fall average.4421.0 138.9 more than the yearly average.
Dec 2012 / Nov 20130.2* 11.5 less than the Winter average.802.0* 26.3 more than the Spring average.2615.1 198.4 more than the Summer average.903.7 174.3 less than the Fall average.4321.0* 38.9 more than the yearly average.
Dec 2011 / Nov 20120.4 11.3 less than the Winter average.873.7 98 more than the Spring average.2610.5 193.8 more than the Summer average.1081.5* 3.5 more than the Fall average.4566.1* 284 more than the yearly average.
Dec 2010 / Nov 20110.0 11.7 less than the Winter average.723.0 52.7 less than the Spring average.2570.3 153.6 more than the Summer average.1043.2 34.8 less than the Fall average.4336.5 54.4 more than the yearly average.
Dec 2009 / Nov 20100.0 11.7 less than the Winter average.470.4 305.3 less than the Spring average.2427.5 10.8 more than the Summer average.1058.8 19.2 less than the Fall average.3956.7 325.4 less than the yearly average.
Dec 2008 / Nov 200917.1* 5.4 more than the Winter average.769.1 6.6 less than the Spring average.2349.5* 67.2 less than the Summer average.880.9* 197.1 less than the Fall average.4016.6* 265.5 less than the yearly average.
Dec 2007 / Nov 20086.8 4.9 less than the Winter average.588.5 187.2 less than the Spring average.2400.1 16.6 less than the Summer average.998.3 79.7 less than the Fall average.3993.7 288.4 less than the yearly average.
Dec 2006 / Nov 200715.1* 3.4 more than the Winter average.407.0* 368.7 less than the Spring average.1919.6* 497.1 less than the Summer average.1289.4* 211.4 more than the Fall average.3631.1* 651 less than the yearly average.
Dec 2005 / Nov 2006---682.0* 93.7 less than the Spring average.2562.5* 145.8 more than the Summer average.1000.7 77.3 less than the Fall average.4245.2* 36.9 less than the yearly average.
 
Max54.1 1021.6 2729.8 1438.2 5066.2
Avg11.7 775.7 2416.7 1078.0 4282.1
Min0.0 407.0 178.7 765.0 663.3
 
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.