ROCKY FORD 2 SE, COLORADO

Period of Record General Climate Summary - Growing Degree Days

Station:(057167) ROCKY FORD 2 SE
From Year=1893 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 22 47 170 388 676 947 1126 1066 787 441 111 23 5805
40 S 22 69 240 627 1304 2251 3377 4443 5230 5671 5782 5805 5805
45 M 6 15 84 256 523 797 971 911 637 300 45 6 4552
45 S 6 20 105 361 884 1682 2653 3564 4201 4501 4546 4552 4552
50 M 1 4 33 145 374 648 816 756 490 175 12 1 3456
50 S 1 5 38 184 558 1206 2022 2778 3267 3443 3455 3456 3456
55 M 0 1 10 65 237 498 661 601 346 82 2 0 2504
55 S 0 1 11 76 313 811 1473 2073 2420 2501 2504 2504 2504
60 M 0 0 2 20 124 351 506 446 213 28 0 0 1692
60 S 0 0 2 22 147 498 1005 1451 1664 1692 1692 1692 1692
Corn Growing Degree Days
50 M 57 88 188 299 439 586 700 668 508 351 148 59 4091
50 S 57 145 333 633 1071 1658 2358 3025 3534 3884 4032 4091 4091
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