CRESTED BUTTE, COLORADO

Period of Record General Climate Summary - Growing Degree Days

Station:(051959) CRESTED BUTTE
From Year=1909 To Year=2012
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 0 0 0 15 146 353 535 490 260 61 1 0 1862
40 S 0 0 0 16 162 515 1051 1541 1801 1861 1862 1862 1862
45 M 0 0 0 2 53 210 381 335 130 13 0 0 1124
45 S 0 0 0 2 55 265 646 981 1110 1124 1124 1124 1124
50 M 0 0 0 0 9 90 227 185 40 1 0 0 553
50 S 0 0 0 0 9 100 327 512 551 553 553 553 553
55 M 0 0 0 0 1 20 90 62 6 0 0 0 179
55 S 0 0 0 0 1 21 111 173 179 179 179 179 179
60 M 0 0 0 0 0 1 14 8 0 0 0 0 23
60 S 0 0 0 0 0 1 15 23 23 23 23 23 23
Corn Growing Degree Days
50 M 0 0 2 33 156 304 403 371 252 123 16 1 1662
50 S 0 0 2 35 191 495 898 1270 1522 1645 1661 1662 1662
M = Monthly Data
S - Running sum of monthly data.
Growing Degree Day units are computed as the difference between the daily average temperature and the base temperature. (Daily Ave. Temp. - Base Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is above the base temperature. Negative numbers are discarded. Example: If the days high temperature was 95 and the low temperature was 51, the base 60 heating degree day units is ((95 + 51) / 2) - 60 = 13. This is done for each day of the month and summed.
Corn Growing Degree Day units have the limitations that the maximum daily temperatures greater than 86 F are set to 86 F and minimums less than 50 F are set to 50 F.
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