CRESTONE 2 SE, COLORADO

Period of Record General Climate Summary - Growing Degree Days

Station:(051964) CRESTONE 1 SE
From Year=1982 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 3 43 159 409 659 824 759 523 221 24 1 3625
40 S 0 4 47 206 615 1273 2097 2856 3379 3601 3625 3625 3625
45 M 0 0 9 69 266 509 669 604 375 106 2 0 2609
45 S 0 0 9 78 344 853 1521 2125 2500 2607 2609 2609 2609
50 M 0 0 1 19 143 360 514 449 232 35 0 0 1752
50 S 0 0 1 20 162 522 1036 1485 1717 1752 1752 1752 1752
55 M 0 0 0 2 54 219 359 295 108 6 0 0 1043
55 S 0 0 0 2 56 275 634 929 1037 1043 1043 1043 1043
60 M 0 0 0 0 12 101 206 147 30 0 0 0 495
60 S 0 0 0 0 12 113 319 465 495 495 495 495 495
Corn Growing Degree Days
50 M 1 7 60 156 304 443 525 487 356 191 37 2 2570
50 S 1 8 69 224 528 971 1496 1983 2339 2530 2568 2570 2570
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