SOUTHPORT 5 N, NORTH CAROLINA

Period of Record General Climate Summary - Heating Degree Days

From Year=1892 To Year=2012
Station:(318113) SOUTHPORT 5 N
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
65 569 487 340 137 22 1 0 0 3 83 275 510 2426
60 418 350 210 61 4 0 0 0 0 32 165 364 1605
57 334 274 148 33 1 0 0 0 0 17 113 285 1205
55 283 228 113 20 0 0 0 0 0 10 85 237 977
50 172 132 51 5 0 0 0 0 0 2 35 135 532
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