LOUDON, TENNESSEE

Period of Record General Climate Summary - Heating Degree Days

From Year=1885 To Year=1962
Station:(405451) LOUDON
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
65 792 652 531 231 64 3 0 0 18 190 514 766 3762
60 639 513 387 134 24 1 0 0 5 98 372 612 2784
57 550 432 307 90 11 0 0 0 2 61 294 522 2269
55 493 379 258 66 6 0 0 0 1 43 246 464 1957
50 355 260 155 27 1 0 0 0 0 16 143 326 1282
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