DOYLE 4 SSE, CALIFORNIA

Period of Record General Climate Summary - Growing Degree Days

Station:(042506) DOYLE 4 SSE
From Year=1956 To Year=2006
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 25 46 127 229 460 678 913 868 634 353 88 26 4447
40 S 25 71 198 427 887 1565 2478 3346 3980 4333 4420 4447 4447
45 M 6 10 51 122 313 529 758 713 485 218 31 7 3242
45 S 6 16 67 189 502 1031 1789 2502 2987 3205 3236 3242 3242
50 M 1 1 14 50 186 382 603 558 340 111 6 1 2254
50 S 1 2 16 66 252 634 1237 1795 2135 2246 2253 2254 2254
55 M 0 0 2 13 89 243 448 404 208 44 0 0 1452
55 S 0 0 2 15 105 348 796 1201 1408 1452 1452 1452 1452
60 M 0 0 0 2 32 128 297 255 99 10 0 0 824
60 S 0 0 0 2 34 163 459 714 813 824 824 824 824
Corn Growing Degree Days
50 M 14 36 101 178 320 446 574 553 438 276 72 15 3023
50 S 14 50 151 329 649 1095 1668 2221 2659 2935 3008 3023 3023
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 Jul 28, 2006
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