MEMPHIS WSCMO AP, TENNESSEE

Period of Record General Climate Summary - Growing Degree Days

From Year=1940 To Year=2012
Station:(405954) MEMPHIS WSCMO AP
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 146 194 413 684 965 1173 1309 1276 1033 732 377 184 8485
40 S 146 340 753 1437 2402 3575 4884 6160 7193 7925 8302 8485 8485
45 M 82 113 284 536 810 1023 1154 1121 883 578 252 103 6938
45 S 82 195 479 1015 1825 2848 4002 5123 6006 6584 6836 6938 6938
50 M 41 58 177 392 655 873 999 966 733 427 153 52 5526
50 S 41 100 276 668 1324 2197 3196 4162 4895 5321 5474 5526 5526
55 M 18 25 98 261 501 723 844 811 583 287 80 22 4253
55 S 18 43 140 402 903 1626 2470 3281 3864 4151 4231 4253 4253
60 M 6 8 45 153 351 573 689 656 435 170 34 7 3128
60 S 6 14 59 212 563 1136 1825 2481 2916 3086 3121 3128 3128
Corn Growing Degree Days
50 M 80 107 236 423 646 814 907 883 702 460 215 98 5571
50 S 80 188 424 847 1493 2307 3214 4096 4798 5259 5474 5571 5571
Derived form the 1940-2012 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