GRANVILLE, ARIZONA

Period of Record General Climate Summary - Growing Degree Days

Station:(023635) GRANVILLE
From Year=1955 To Year=1975
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 22 56 113 252 511 802 935 857 697 421 121 22 4808
40 S 22 77 190 442 954 1756 2691 3548 4245 4666 4786 4808 4808
45 M 3 18 39 135 360 652 780 702 547 277 44 2 3557
45 S 3 20 59 194 554 1206 1986 2688 3235 3512 3556 3557 3557
50 M 0 3 9 52 220 502 625 547 397 148 9 0 2512
50 S 0 3 13 65 284 787 1412 1959 2356 2504 2512 2512 2512
55 M 0 0 1 12 107 356 470 392 249 56 0 0 1644
55 S 0 0 1 13 120 476 946 1338 1587 1644 1644 1644 1644
60 M 0 0 0 2 41 225 317 238 118 13 0 0 955
60 S 0 0 0 2 43 268 585 823 941 955 955 955 955
Corn Growing Degree Days
50 M 17 46 94 186 359 535 609 545 443 282 89 19 3225
50 S 17 64 158 344 703 1238 1847 2392 2835 3117 3206 3225 3225
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