CHACO CANYN NATL MON, NEW MEXICO

Period of Record General Climate Summary - Heating Degree Days

Station:(291647) CHACO CANYON NATL MON
From Year=1909 To Year=2011
Heating Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
65 1146 888 778 507 257 49 1 5 105 452 816 1125 6129
60 991 747 623 358 135 12 0 0 37 301 666 970 4841
57 898 663 530 273 82 4 0 0 18 219 576 877 4140
55 836 606 468 220 57 2 0 0 10 170 516 815 3701
50 681 465 319 114 19 0 0 0 2 77 369 660 2707
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