WILLIAMSBURG, KENTUCKY

Period of Record General Climate Summary - Heating Degree Days

From Year=1957 To Year=2012
Station:(158709) WILLIAMSBURG
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
65 944 770 589 302 109 12 1 2 50 277 532 837 4424
60 790 630 443 193 48 2 0 0 17 164 390 684 3361
57 699 548 362 140 26 0 0 0 8 112 313 594 2799
55 639 494 311 109 16 0 0 0 4 83 265 535 2457
50 494 366 201 52 4 0 0 0 0 33 162 396 1708
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