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Period of Record General Climate Summary - Growing Degree Days

Station:(200770) BIG BAY
From Year=1945 To Year=2012
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 0 2 22 106 353 614 827 793 525 227 39 1 3509
40 S 0 2 24 130 483 1097 1924 2716 3242 3469 3508 3509 3509
45 M 0 0 9 56 231 465 672 638 379 127 15 0 2592
45 S 0 0 9 65 296 761 1432 2070 2449 2577 2592 2592 2592
50 M 0 0 4 28 138 323 517 483 246 62 5 0 1806
50 S 0 0 4 31 169 493 1010 1493 1739 1801 1806 1806 1806
55 M 0 0 2 13 76 202 365 332 139 26 1 0 1154
55 S 0 0 2 15 91 292 657 989 1127 1153 1154 1154 1154
60 M 0 0 1 5 37 108 225 196 65 9 0 0 647
60 S 0 0 1 7 44 152 376 572 637 647 647 647 647
Corn Growing Degree Days
50 M 0 2 16 76 223 368 522 495 294 119 20 1 2134
50 S 0 2 17 93 316 684 1206 1701 1995 2113 2133 2134 2134
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