TROPIC, UTAH

Period of Record General Climate Summary - Growing Degree Days

Station:(428847) TROPIC
From Year=1893 To Year=1999
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 4 14 60 190 417 657 865 807 565 301 55 8 3944
40 S 4 18 78 267 685 1342 2207 3014 3579 3881 3936 3944 3944
45 M 0 3 16 92 273 508 712 652 416 172 15 1 2859
45 S 0 3 19 111 384 891 1603 2255 2672 2843 2858 2859 2859
50 M 0 0 2 32 149 360 559 497 273 75 2 0 1949
50 S 0 0 2 34 183 543 1102 1599 1872 1947 1949 1949 1949
55 M 0 0 0 6 60 222 406 343 145 21 0 0 1204
55 S 0 0 0 6 66 288 694 1037 1182 1204 1204 1204 1204
60 M 0 0 0 0 15 108 255 196 54 4 0 0 632
60 S 0 0 0 0 16 124 379 575 629 632 632 632 632
Corn Growing Degree Days
50 M 11 23 75 171 312 449 560 524 389 245 75 17 2852
50 S 11 34 109 280 592 1041 1602 2126 2514 2759 2834 2852 2852
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 Oct 31, 2012
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered
Western Regional Climate Center, wrcc@dri.edu