RUSSELLVILLE 2, ALABAMA

Period of Record General Climate Summary - Growing Degree Days

From Year=1953 To Year=2012
Station:(017131) RUSSELLVILLE 2
Averages Daily Extremes
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 105 154 323 562 816 1008 1162 1128 913 589 301 146 7207
40 S 105 259 582 1144 1960 2968 4130 5258 6172 6760 7061 7207 7207
45 M 51 87 210 418 661 858 1007 973 763 437 189 80 5735
45 S 51 139 349 767 1427 2286 3292 4265 5029 5466 5655 5735 5735
50 M 22 42 123 286 506 708 852 818 613 296 103 37 4407
50 S 22 64 187 473 979 1687 2539 3357 3970 4266 4370 4407 4407
55 M 7 16 62 174 357 558 697 663 465 177 46 13 3235
55 S 7 23 86 260 617 1175 1872 2535 3000 3177 3222 3235 3235
60 M 1 4 25 89 222 409 542 508 322 87 15 3 2226
60 S 1 5 30 118 341 749 1291 1799 2121 2209 2223 2226 2226
Corn Growing Degree Days
50 M 70 108 216 368 531 677 787 760 603 394 206 96 4817
50 S 70 178 394 763 1294 1971 2759 3519 4121 4516 4721 4817 4817
Derived form the 1953-2012 Data
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 May 22,
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered

Southeast Regional Climate Center, SERCC Webmaster