Degree Days Seasonal 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 2017 / Nov 2018314.0* 2117.5 less than the Winter average.3.0* 1199.4 less than the Spring average.4.0* 69.1 less than the Summer average.3.0* 1022 less than the Fall average.324.0* 4408 less than the yearly average.
Dec 2016 / Nov 20172616.0* 184.5 more than the Winter average.1425.0* 222.6 more than the Spring average.223.0 149.9 more than the Summer average.1220.0* 195 more than the Fall average.5484.0* 752 more than the yearly average.
Dec 2015 / Nov 20162740.0 308.5 more than the Winter average.1068.0* 134.4 less than the Spring average.150.0 76.9 more than the Summer average.1005.0* 20 less than the Fall average.4963.0* 231 more than the yearly average.
Dec 2014 / Nov 20152647.0* 215.5 more than the Winter average.1468.0* 265.6 more than the Spring average.170.0* 96.9 more than the Summer average.1045.0* 20 more than the Fall average.5330.0* 598 more than the yearly average.
Dec 2013 / Nov 20142921.0 489.5 more than the Winter average.1510.0 307.6 more than the Spring average.246.0 172.9 more than the Summer average.1404.0 379 more than the Fall average.6081.0 1349 more than the yearly average.
Dec 2012 / Nov 20132846.0* 414.5 more than the Winter average.1721.0 518.6 more than the Spring average.182.0* 108.9 more than the Summer average.1439.0 414 more than the Fall average.6188.0* 1456 more than the yearly average.
Dec 2011 / Nov 20122775.5 344 more than the Winter average.1069.0 133.4 less than the Spring average.133.0 59.9 more than the Summer average.1285.0 260 more than the Fall average.5262.5 530.5 more than the yearly average.
Dec 2010 / Nov 20112497.9 66.4 more than the Winter average.1157.4 45 less than the Spring average.11.8 61.3 less than the Summer average.911.4 113.6 less than the Fall average.4578.5 153.5 less than the yearly average.
Dec 2009 / Nov 20102880.2 448.7 more than the Winter average.1249.1 46.7 more than the Spring average.43.2 29.9 less than the Summer average.827.7 197.3 less than the Fall average.5000.2 268.2 more than the yearly average.
Dec 2008 / Nov 20092277.7 153.8 less than the Winter average.1139.8 62.6 less than the Spring average.59.0 14.1 less than the Summer average.1210.2 185.2 more than the Fall average.4686.7 45.3 less than the yearly average.
Dec 2007 / Nov 20082760.2 328.7 more than the Winter average.1278.1 75.7 more than the Spring average.52.4 20.7 less than the Summer average.831.1 193.9 less than the Fall average.4921.8 189.8 more than the yearly average.
Dec 2006 / Nov 20072847.0 415.5 more than the Winter average.1051.6 150.8 less than the Spring average.27.6 45.5 less than the Summer average.827.5 197.5 less than the Fall average.4753.7 21.7 more than the yearly average.
Dec 2005 / Nov 20062355.1 76.4 less than the Winter average.1036.6 165.8 less than the Spring average.16.5 56.6 less than the Summer average.1069.1 44.1 more than the Fall average.4477.3 254.7 less than the yearly average.
Dec 2004 / Nov 20052267.6 163.9 less than the Winter average.1295.3 92.9 more than the Spring average.67.4 5.7 less than the Summer average.862.2 162.8 less than the Fall average.4492.5 239.5 less than the yearly average.
Dec 2003 / Nov 20042468.5 37 more than the Winter average.922.3 280.1 less than the Spring average.92.1 19 more than the Summer average.1079.0 54 more than the Fall average.4561.9 170.1 less than the yearly average.
Dec 2002 / Nov 20032377.2 54.3 less than the Winter average.1150.6 51.8 less than the Spring average.66.0 7.1 less than the Summer average.940.9 84.1 less than the Fall average.4534.7 197.3 less than the yearly average.
Dec 2001 / Nov 20022508.2 76.7 more than the Winter average.1226.9 24.5 more than the Spring average.12.3 60.8 less than the Summer average.1245.5 220.5 more than the Fall average.4992.9 260.9 more than the yearly average.
Dec 2000 / Nov 20012698.6 267.1 more than the Winter average.1214.2 11.8 more than the Spring average.32.3 40.8 less than the Summer average.868.0 157 less than the Fall average.4813.1 81.1 more than the yearly average.
Dec 1999 / Nov 20002216.9* 214.6 less than the Winter average.1065.5 136.9 less than the Spring average.74.4* 1.3 more than the Summer average.1372.5 347.5 more than the Fall average.4729.3* 2.7 less than the yearly average.
Dec 1998 / Nov 19992303.4 128.1 less than the Winter average.1308.4 106 more than the Spring average.58.4 14.7 less than the Summer average.772.3 252.7 less than the Fall average.4442.5 289.5 less than the yearly average.
Dec 1997 / Nov 19982534.8 103.3 more than the Winter average.1200.3* 2.1 less than the Spring average.79.7 6.6 more than the Summer average.882.8 142.2 less than the Fall average.4697.6* 34.4 less than the yearly average.
Dec 1996 / Nov 19972478.9 47.4 more than the Winter average.1165.9 36.5 less than the Spring average.20.5 52.6 less than the Summer average.1129.9 104.9 more than the Fall average.4795.2 63.2 more than the yearly average.
Dec 1995 / Nov 19962460.7 29.2 more than the Winter average.1223.8 21.4 more than the Spring average.9.8 63.3 less than the Summer average.1016.0 9 less than the Fall average.4710.3 21.7 less than the yearly average.
Dec 1994 / Nov 19952282.5 149 less than the Winter average.1576.9 374.5 more than the Spring average.106.6 33.5 more than the Summer average.1037.9 12.9 more than the Fall average.5003.9 271.9 more than the yearly average.
Dec 1993 / Nov 19942531.7 100.2 more than the Winter average.1082.8 119.6 less than the Spring average.7.9 65.2 less than the Summer average.1030.2 5.2 more than the Fall average.4652.6 79.4 less than the yearly average.
Dec 1992 / Nov 19931960.5* 471 less than the Winter average.1268.7 66.3 more than the Spring average.92.3 19.2 more than the Summer average.1316.1* 291.1 more than the Fall average.4637.6* 94.4 less than the yearly average.
Dec 1991 / Nov 1992947.6* 1483.9 less than the Winter average.---------947.6* 3784.4 less than the yearly average.
Dec 1990 / Nov 19912751.1 319.6 more than the Winter average.1256.3 53.9 more than the Spring average.43.9 29.2 less than the Summer average.1283.3 258.3 more than the Fall average.5334.6 602.6 more than the yearly average.
Dec 1989 / Nov 19902649.9 218.4 more than the Winter average.1379.4* 177 more than the Spring average.21.1 52 less than the Summer average.912.3 112.7 less than the Fall average.4962.7* 230.7 more than the yearly average.
Dec 1988 / Nov 19892886.2 454.7 more than the Winter average.1112.5 89.9 less than the Spring average.79.9 6.8 more than the Summer average.1017.1 7.9 less than the Fall average.5095.7 363.7 more than the yearly average.
Dec 1987 / Nov 19882222.1* 209.4 less than the Winter average.1334.7 132.3 more than the Spring average.19.3 53.8 less than the Summer average.960.9 64.1 less than the Fall average.4537.0* 195 less than the yearly average.
Dec 1986 / Nov 19872783.0 351.5 more than the Winter average.1313.1 110.7 more than the Spring average.62.5* 10.6 less than the Summer average.970.0 55 less than the Fall average.5128.6* 396.6 more than the yearly average.
 
Max2921.0 1721.0 246.0 1439.0 6188.0
Avg2431.5 1202.4 73.1 1025.0 4732.0
Min314.0 3.0 4.0 3.0 324.0
 
 
DateCooling Degree Days
WinterSpringSummerFallYear
Dec 2017 / Nov 20182.0* 0.5 more than the Winter average.0.0* 83.8 less than the Spring average.0.0* 864.9 less than the Summer average.0.0* 166 less than the Fall average.2.0* 1114.2 less than the yearly average.
Dec 2016 / Nov 201716.0* 14.5 more than the Winter average.149.0* 65.2 more than the Spring average.671.0 193.9 less than the Summer average.143.0* 23 less than the Fall average.979.0* 137.2 less than the yearly average.
Dec 2015 / Nov 201613.0 11.5 more than the Winter average.84.0* 0.2 more than the Spring average.782.0 82.9 less than the Summer average.209.0* 43 more than the Fall average.1088.0* 28.2 less than the yearly average.
Dec 2014 / Nov 201517.0* 15.5 more than the Winter average.98.0* 14.2 more than the Spring average.606.0* 258.9 less than the Summer average.184.0* 18 more than the Fall average.905.0* 211.2 less than the yearly average.
Dec 2013 / Nov 20140.0 1.5 less than the Winter average.134.0 50.2 more than the Spring average.572.0 292.9 less than the Summer average.153.0 13 less than the Fall average.859.0 257.2 less than the yearly average.
Dec 2012 / Nov 20131.0* 0.5 less than the Winter average.106.0 22.2 more than the Spring average.758.0* 106.9 less than the Summer average.138.0 28 less than the Fall average.1003.0* 113.2 less than the yearly average.
Dec 2011 / Nov 20120.0 1.5 less than the Winter average.220.0 136.2 more than the Spring average.835.0 29.9 less than the Summer average.140.0 26 less than the Fall average.1195.0 78.8 more than the yearly average.
Dec 2010 / Nov 20110.0 1.5 less than the Winter average.39.6 44.2 less than the Spring average.1206.8 341.9 more than the Summer average.179.2 13.2 more than the Fall average.1425.6 309.4 more than the yearly average.
Dec 2009 / Nov 20100.0 1.5 less than the Winter average.73.8 10 less than the Spring average.1038.7 173.8 more than the Summer average.268.2 102.2 more than the Fall average.1380.7 264.5 more than the yearly average.
Dec 2008 / Nov 20090.0 1.5 less than the Winter average.69.3 14.5 less than the Spring average.733.7 131.2 less than the Summer average.160.0 6 less than the Fall average.963.0 153.2 less than the yearly average.
Dec 2007 / Nov 20080.0 1.5 less than the Winter average.71.6 12.2 less than the Spring average.1080.7 215.8 more than the Summer average.109.8 56.2 less than the Fall average.1262.1 145.9 more than the yearly average.
Dec 2006 / Nov 20070.0 1.5 less than the Winter average.60.4 23.4 less than the Spring average.1077.7 212.8 more than the Summer average.217.6 51.6 more than the Fall average.1355.7 239.5 more than the yearly average.
Dec 2005 / Nov 20060.5 1 less than the Winter average.154.0 70.2 more than the Spring average.1042.4 177.5 more than the Summer average.83.3 82.7 less than the Fall average.1280.2 164 more than the yearly average.
Dec 2004 / Nov 20050.0 1.5 less than the Winter average.83.6 0.2 less than the Spring average.1002.2 137.3 more than the Summer average.237.2 71.2 more than the Fall average.1323.0 206.8 more than the yearly average.
Dec 2003 / Nov 20040.0 1.5 less than the Winter average.115.4 31.6 more than the Spring average.683.4 181.5 less than the Summer average.150.9 15.1 less than the Fall average.949.7 166.5 less than the yearly average.
Dec 2002 / Nov 20030.0 1.5 less than the Winter average.95.9 12.1 more than the Spring average.1057.5 192.6 more than the Summer average.174.2 8.2 more than the Fall average.1327.6 211.4 more than the yearly average.
Dec 2001 / Nov 20020.0 1.5 less than the Winter average.92.7 8.9 more than the Spring average.1207.7 342.8 more than the Summer average.153.3 12.7 less than the Fall average.1453.7 337.5 more than the yearly average.
Dec 2000 / Nov 20010.0 1.5 less than the Winter average.66.5 17.3 less than the Spring average.1115.6 250.7 more than the Summer average.229.0 63 more than the Fall average.1411.1 294.9 more than the yearly average.
Dec 1999 / Nov 20000.0* 1.5 less than the Winter average.127.7 43.9 more than the Spring average.792.3* 72.6 less than the Summer average.216.7 50.7 more than the Fall average.1136.7* 20.5 more than the yearly average.
Dec 1998 / Nov 19990.0 1.5 less than the Winter average.27.6 56.2 less than the Spring average.826.8 38.1 less than the Summer average.121.9 44.1 less than the Fall average.976.3 139.9 less than the yearly average.
Dec 1997 / Nov 19980.0 1.5 less than the Winter average.118.0* 34.2 more than the Spring average.881.3 16.4 more than the Summer average.243.7 77.7 more than the Fall average.1243.0* 126.8 more than the yearly average.
Dec 1996 / Nov 19970.0 1.5 less than the Winter average.65.5 18.3 less than the Spring average.973.0 108.1 more than the Summer average.250.9 84.9 more than the Fall average.1289.4 173.2 more than the yearly average.
Dec 1995 / Nov 19960.0 1.5 less than the Winter average.96.4 12.6 more than the Spring average.966.3 101.4 more than the Summer average.163.8 2.2 less than the Fall average.1226.5 110.3 more than the yearly average.
Dec 1994 / Nov 19950.0 1.5 less than the Winter average.5.5 78.3 less than the Spring average.871.0 6.1 more than the Summer average.169.2 3.2 more than the Fall average.1045.7 70.5 less than the yearly average.
Dec 1993 / Nov 19940.0 1.5 less than the Winter average.90.4 6.6 more than the Spring average.1066.0 201.1 more than the Summer average.180.9 14.9 more than the Fall average.1337.3 221.1 more than the yearly average.
Dec 1992 / Nov 19930.0* 1.5 less than the Winter average.29.6 54.2 less than the Spring average.756.8 108.1 less than the Summer average.95.7* 70.3 less than the Fall average.882.1* 234.1 less than the yearly average.
Dec 1991 / Nov 19920.0* 1.5 less than the Winter average.---------0.0* 1116.2 less than the yearly average.
Dec 1990 / Nov 19910.0 1.5 less than the Winter average.64.3 19.5 less than the Spring average.784.7 80.2 less than the Summer average.150.7 15.3 less than the Fall average.999.7 116.5 less than the yearly average.
Dec 1989 / Nov 19900.0 1.5 less than the Winter average.38.2* 45.6 less than the Spring average.843.1 21.8 less than the Summer average.197.7 31.7 more than the Fall average.1079.0* 37.2 less than the yearly average.
Dec 1988 / Nov 19890.0 1.5 less than the Winter average.109.5 25.7 more than the Spring average.834.3 30.6 less than the Summer average.188.4 22.4 more than the Fall average.1132.2 16 more than the yearly average.
Dec 1987 / Nov 19880.0* 1.5 less than the Winter average.72.8 11 less than the Spring average.957.8 92.9 more than the Summer average.129.1 36.9 less than the Fall average.1159.7* 43.5 more than the yearly average.
Dec 1986 / Nov 19870.0 1.5 less than the Winter average.38.2 45.6 less than the Spring average.788.1* 76.8 less than the Summer average.108.6 57.4 less than the Fall average.934.9* 181.3 less than the yearly average.
 
Max17.0 220.0 1207.7 268.2 1453.7
Avg1.5 83.8 864.9 166.0 1116.2
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 (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.