ROCK HILL 5 NE, SOUTH CAROLINA

Period of Record General Climate Summary - Growing Degree Days

From Year=1949 To Year=1979
Station:(387390) ROCK HILL 5 NE
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 44 -99 -99 559 843 -99 1208 1169 947 -99 -99 373 -99
40 S 44 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99
45 M 18 -99 -99 411 688 -99 1053 1014 797 -99 -99 265 -99
45 S 18 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99
50 M 2 -99 -99 275 535 -99 898 859 647 -99 -99 163 -99
50 S 2 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99
55 M 0 -99 -99 162 386 -99 743 704 497 -99 -99 81 -99
55 S 0 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99
60 M 0 -99 -99 74 245 -99 588 549 348 -99 -99 32 -99
60 S 0 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99
Corn Growing Degree Days
50 M 37 -99 -99 373 553 -99 831 803 628 -99 -99 232 -99
50 S 37 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99
Derived form the 1949-1979 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