TEMPE 3 S, ARIZONA

Period of Record General Climate Summary - Heating Degree Days

Station:(028494) TEMPE 3 S
From Year=1905 To Year=1952
Heating Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
65 512 349 239 77 11 0 0 0 0 39 256 486 1970
60 358 214 118 27 3 0 0 0 0 11 133 332 1196
57 269 142 67 12 1 0 0 0 0 5 78 243 816
55 212 101 43 6 0 0 0 0 0 2 52 188 604
50 98 34 10 1 0 0 0 0 0 0 13 79 234
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