VALLE AP, ARIZONA

Period of Record General Climate Summary - Heating Degree Days

Station:(029007) VALLE AIRPORT
From Year=1947 To Year=1959
Heating Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
65 1042 902 771 489 320 111 9 15 91 374 789 1034 5947
60 887 761 616 343 185 38 2 1 26 225 639 879 4601
57 794 677 523 260 122 18 1 0 9 148 549 786 3885
55 732 620 461 206 88 10 0 0 4 110 489 724 3444
50 577 479 308 99 35 2 0 0 0 50 341 569 2460
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