LANGDON EXP FARM, NORTH DAKOTA

Period of Record General Climate Summary - Heating Degree Days

Station:(324958) LANGDON EXPERIMENT FARM
From Year=1897 To Year=2012
Heating Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
65 1975 1648 1390 804 427 163 60 97 333 724 1244 1765 10632
60 1820 1507 1235 656 293 76 16 36 213 572 1094 1610 9128
57 1727 1422 1143 568 223 43 6 17 153 484 1004 1517 8305
55 1665 1366 1081 511 181 28 3 9 119 427 944 1455 7788
50 1510 1224 926 374 97 7 0 1 56 295 794 1300 6586
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 Oct 31, 2012
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered

Western Regional Climate Center, wrcc@dri.edu