LOUISVILLE, MISSISSIPPI

Period of Record General Climate Summary - Growing Degree Days

From Year=1891 To Year=2012
Station:(225247) LOUISVILLE
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 219 251 481 689 946 1130 1240 1231 1042 745 422 239 8633
40 S 219 470 950 1639 2585 3714 4954 6186 7228 7972 8395 8633 8633
45 M 131 155 343 540 791 980 1085 1076 892 591 291 141 7014
45 S 131 286 628 1168 1959 2938 4023 5100 5992 6582 6873 7014 7014
50 M 70 86 223 395 636 830 930 921 742 440 180 75 5527
50 S 70 156 379 774 1410 2239 3169 4091 4833 5272 5452 5527 5527
55 M 33 41 129 262 481 680 775 766 592 299 96 34 4188
55 S 33 73 202 464 945 1625 2400 3166 3759 4057 4154 4188 4188
60 M 12 15 62 149 331 530 620 611 444 178 41 12 3006
60 S 12 27 89 238 570 1099 1719 2331 2775 2953 2994 3006 3006
Corn Growing Degree Days
50 M 131 153 296 435 628 769 849 840 701 480 260 142 5686
50 S 131 284 581 1016 1645 2414 3263 4103 4804 5284 5544 5686 5686
Derived form the 1891-2012 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