PURVIS 2 N, MISSISSIPPI

Period of Record General Climate Summary - Growing Degree Days

From Year=1940 To Year=2012
Station:(227220) PURVIS 2 N
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 470 456 616 774 1115 1249 1271 1285 1070 815 440 357 9919
40 S 470 926 1543 2317 3432 4681 5952 7237 8307 9122 9562 9919 9919
45 M 332 325 466 624 960 1099 1116 1130 920 660 307 229 8168
45 S 332 656 1122 1746 2706 3806 4921 6051 6971 7631 7939 8168 8168
50 M 208 205 327 475 805 949 961 975 770 507 197 132 6510
50 S 208 413 740 1214 2019 2969 3929 4904 5674 6181 6378 6510 6510
55 M 113 109 208 329 650 799 806 820 620 359 109 64 4985
55 S 113 222 429 758 1408 2208 3013 3833 4453 4812 4921 4985 4985
60 M 52 44 115 202 495 649 651 665 470 227 53 26 3647
60 S 52 96 210 412 907 1557 2207 2872 3342 3568 3621 3647 3647
Corn Growing Degree Days
50 M 302 279 395 509 772 829 867 858 722 546 300 223 6600
50 S 302 581 976 1484 2256 3085 3951 4809 5531 6077 6377 6600 6600
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