BROWNLEE DAM, IDAHO

Period of Record General Climate Summary - Heating Degree Days

Station:(101180) BROWNLEE DAM
From Year=1966 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 1029 797 616 377 170 44 3 5 56 319 691 980 5087
60 874 656 462 242 82 13 0 1 19 187 541 825 3901
57 781 571 370 171 46 5 0 0 8 122 451 732 3256
55 719 514 311 129 28 2 0 0 4 86 392 670 2856
50 564 374 174 50 6 0 0 0 0 28 250 515 1962
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