HATTERAS, NORTH CAROLINA

Period of Record General Climate Summary - Heating Degree Days

From Year=1893 To Year=2004
Station:(313897) HATTERAS
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
65 598 518 392 173 29 1 0 0 1 57 240 477 2486
60 447 380 252 82 6 0 0 0 0 17 132 332 1647
57 361 302 179 47 2 0 0 0 0 7 84 253 1234
55 307 253 138 30 1 0 0 0 0 3 59 206 996
50 188 149 61 7 0 0 0 0 0 0 21 109 536
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