CLARKSVILLE SEWAGE PLT, TENNESSEE

Period of Record General Climate Summary - Heating Degree Days

From Year=1890 To Year=2012
Station:(401790) CLARKSVILLE SEWAGE PLT
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
65 853 702 494 220 62 4 0 0 27 199 489 780 3828
60 700 564 358 128 22 0 0 0 8 108 353 627 2869
57 611 484 285 86 10 0 0 0 3 69 278 538 2364
55 552 432 241 63 5 0 0 0 2 49 233 481 2058
50 412 311 146 26 1 0 0 0 0 17 137 344 1394
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