LEVELLAND, TEXAS

Period of Record General Climate Summary - Growing Degree Days

Station:(415183) LEVELLAND
From Year=1926 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 108 157 337 581 879 1099 1194 1149 902 634 287 126 7453
40 S 108 265 603 1184 2063 3161 4356 5505 6407 7041 7328 7453 7453
45 M 46 80 214 437 724 949 1039 994 752 483 173 55 5946
45 S 46 126 340 777 1501 2450 3489 4483 5235 5718 5892 5946 5946
50 M 14 33 116 300 570 799 884 839 603 338 87 17 4601
50 S 14 47 163 464 1034 1833 2717 3556 4159 4497 4584 4601 4601
55 M 2 9 50 181 419 649 729 684 456 207 32 3 3422
55 S 2 12 61 242 661 1310 2040 2723 3179 3387 3418 3422 3422
60 M 0 1 15 89 277 499 574 529 313 104 7 0 2409
60 S 0 2 17 105 382 881 1456 1984 2298 2401 2409 2409 2409
Corn Growing Degree Days
50 M 122 155 268 390 551 700 775 749 579 415 226 131 5059
50 S 122 278 546 936 1486 2186 2960 3709 4288 4703 4929 5059 5059
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