ST JAMES FILT PLT, MINNESOTA

Period of Record General Climate Summary - Growing Degree Days

Station:(217326) ST JAMES FILT PLANT
From Year=1940 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 1 3 53 238 599 866 1014 937 644 321 58 3 4737
40 S 1 4 57 295 894 1760 2774 3711 4355 4677 4734 4737 4737
45 M 0 1 25 142 449 716 859 782 496 205 25 1 3700
45 S 0 1 26 168 616 1332 2192 2974 3470 3675 3699 3700 3700
50 M 0 0 11 75 310 566 704 627 353 116 8 0 2772
50 S 0 0 11 87 396 963 1667 2294 2647 2764 2772 2772 2772
55 M 0 0 4 35 192 419 549 473 226 58 2 0 1957
55 S 0 0 4 39 231 650 1199 1672 1897 1955 1957 1957 1957
60 M 0 0 1 14 103 278 395 321 126 24 0 0 1263
60 S 0 0 1 15 118 396 791 1113 1239 1263 1263 1263 1263
Corn Growing Degree Days
50 M 1 3 36 151 361 557 678 615 395 199 37 2 3035
50 S 1 4 39 191 552 1108 1786 2402 2797 2996 3033 3035 3035
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