RIVERTON, VIRGINIA

Period of Record General Climate Summary - Growing Degree Days

From Year=1892 To Year=1978
Station:(447254) RIVERTON
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 73 -99 -99 -99 664 888 1034 1090 650 376 161 28 -99
40 S 73 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99
45 M 22 -99 -99 -99 509 738 879 935 500 244 96 10 -99
45 S 22 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99
50 M 6 -99 -99 -99 356 588 724 780 350 136 57 4 -99
50 S 6 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99
55 M 1 -99 -99 -99 213 441 569 625 210 65 33 2 -99
55 S 1 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99
60 M 0 -99 -99 -99 87 299 414 470 107 24 20 0 -99
60 S 0 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99
Corn Growing Degree Days
50 M 43 -99 -99 -99 395 577 695 725 412 181 99 14 -99
50 S 43 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99 -99
Derived form the 1892-1978 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