DOVER, DELAWARE

Period of Record General Climate Summary - Heating Degree Days

From Year=1893 To Year=2012
Station:(072730) DOVER
Averages Daily Extremes
Heating Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
65 924 808 636 341 112 12 0 2 34 234 506 827 4437
60 770 667 487 218 43 2 0 0 10 127 365 673 3362
57 678 583 402 155 19 0 0 0 4 80 287 582 2789
55 617 528 348 118 10 0 0 0 2 55 238 521 2437
50 469 394 224 49 1 0 0 0 0 18 136 377 1667
Heating Degree Day units are computed as the difference between the base temperature and the daily average temperature. (Base Temp. - Daily Ave. Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is below the base temperature. Negative numbers are discarded. Example: If the days high temperature was 65 and the low temperature was 31, the base 50 heating degree day units is 50 - ((65 + 31) / 2) = 2. This is done for each day of the month and summed.
Table updated on May 22,
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered

Southeast Regional Climate Center, SERCC Webmaster