WENATCHEE EXP STN, WASHINGTON

Period of Record General Climate Summary - Heating Degree Days

Station:(459079) WENATCHEE EXP STN
From Year=1950 To Year=1997
Heating Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
65 1130 867 670 422 210 68 13 14 137 478 839 1131 5978
60 975 726 515 278 99 17 2 1 57 328 689 976 4663
57 882 641 422 197 53 5 0 0 28 244 599 883 3955
55 820 584 360 149 32 2 0 0 16 193 539 821 3516
50 665 443 213 59 5 0 0 0 3 90 391 666 2533
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