HOLLY HILL, SOUTH CAROLINA

Period of Record General Climate Summary - Heating Degree Days

From Year=1957 To Year=2001
Station:(384197) HOLLY HILL
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
65 579 436 267 97 13 1 0 0 3 85 272 508 2261
60 431 310 158 38 2 0 0 0 0 32 162 367 1500
57 349 242 108 19 1 0 0 0 0 16 110 290 1133
55 297 200 81 11 0 0 0 0 0 9 82 243 924
50 185 113 35 2 0 0 0 0 0 2 35 142 514
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