GUNFLINT LAKE 10 NW, MINNESOTA

Period of Record General Climate Summary - Growing Degree Days

Station:(213417) GUNFLINT LAKE 10 NW
From Year=1894 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 0 8 72 353 598 801 720 412 130 13 0 3107
40 S 0 0 8 81 433 1032 1832 2553 2965 3095 3107 3107 3107
45 M 0 0 2 32 227 449 646 565 275 63 4 0 2263
45 S 0 0 2 35 261 711 1356 1922 2197 2260 2263 2263 2263
50 M 0 0 1 12 131 304 491 411 161 26 1 0 1538
50 S 0 0 1 13 144 449 940 1351 1511 1537 1538 1538 1538
55 M 0 0 1 4 67 176 338 264 80 8 0 0 938
55 S 0 0 1 5 72 248 586 850 930 938 938 938 938
60 M 0 0 0 1 29 83 197 140 32 2 0 0 483
60 S 0 0 0 1 31 113 310 450 481 483 483 483 483
Corn Growing Degree Days
50 M 0 0 8 69 237 359 500 437 227 69 7 0 1914
50 S 0 0 9 77 315 674 1174 1611 1838 1907 1914 1914 1914
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