SAND MOUNTAIN SUBSTN, ALABAMA

Period of Record General Climate Summary - Growing Degree Days

From Year=1949 To Year=2012
Station:(017207) SAND MOUNTAIN SUBSTN
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 123 173 358 591 844 1026 1151 1135 921 623 321 154 7421
40 S 123 296 654 1245 2089 3116 4267 5402 6322 6946 7266 7421 7421
45 M 63 97 235 445 689 876 996 980 771 471 204 83 5911
45 S 63 161 396 841 1530 2406 3403 4382 5153 5624 5828 5911 5911
50 M 29 47 137 310 534 726 841 825 621 325 113 38 4546
50 S 29 75 213 523 1057 1783 2625 3449 4070 4395 4508 4546 4546
55 M 10 17 68 191 383 576 686 670 472 198 50 13 3335
55 S 10 27 95 286 669 1245 1932 2601 3073 3271 3322 3335 3335
60 M 2 4 26 98 243 427 531 515 327 100 16 3 2290
60 S 2 5 31 129 372 799 1330 1845 2171 2271 2287 2290 2290
Corn Growing Degree Days
50 M 66 102 213 365 546 702 796 781 612 391 191 84 4850
50 S 66 168 380 746 1292 1994 2790 3571 4183 4574 4765 4850 4850
Derived form the 1949-2012 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