ORDWAY 21 N, COLORADO

Period of Record General Climate Summary - Growing Degree Days

Station:(056136) ORDWAY 21 N
From Year=1980 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 15 30 141 316 614 904 1118 1040 736 376 97 18 5405
40 S 15 45 186 502 1116 2020 3138 4179 4914 5291 5387 5405 5405
45 M 3 7 67 198 464 754 963 885 588 247 43 4 4225
45 S 3 10 78 276 740 1494 2458 3343 3931 4178 4221 4225 4225
50 M 0 1 25 106 324 605 808 730 443 139 13 0 3194
50 S 0 1 26 131 455 1060 1868 2599 3042 3181 3194 3194 3194
55 M 0 0 6 43 198 457 653 576 305 63 2 0 2301
55 S 0 0 6 49 246 703 1357 1932 2237 2300 2301 2301 2301
60 M 0 0 1 11 98 313 499 422 180 20 0 0 1544
60 S 0 0 1 12 110 423 922 1343 1524 1544 1544 1544 1544
Corn Growing Degree Days
50 M 47 65 159 255 397 555 688 650 469 302 122 47 3755
50 S 47 112 271 526 922 1477 2165 2815 3284 3586 3708 3755 3755
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