COLEMAN 3 WNW, MARYLAND

Period of Record General Climate Summary - Heating Degree Days

From Year=1899 To Year=1971
Station:(181980) COLEMAN 3 WNW
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
65 952 849 666 349 104 11 0 1 31 223 528 878 4593
60 797 708 516 223 38 2 0 0 8 117 383 723 3515
57 705 624 428 158 17 1 0 0 3 70 301 630 2938
55 644 568 372 121 9 0 0 0 1 48 250 569 2582
50 493 430 243 50 1 0 0 0 0 14 142 419 1792
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