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Period of Record General Climate Summary - Growing Degree Days

Station:(478672) TWO RIVERS
From Year=1950 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 17 118 353 622 839 849 588 278 54 3 3722
40 S 0 1 18 136 489 1111 1951 2800 3388 3665 3719 3722 3722
45 M 0 0 5 48 211 472 684 694 439 154 17 1 2724
45 S 0 0 5 53 264 736 1420 2114 2553 2707 2723 2724 2724
50 M 0 0 1 16 100 324 529 539 295 66 4 0 1873
50 S 0 0 1 17 117 441 970 1509 1804 1870 1873 1873 1873
55 M 0 0 0 5 36 188 375 384 167 20 0 0 1174
55 S 0 0 0 5 41 229 604 988 1154 1174 1174 1174 1174
60 M 0 0 0 1 9 85 224 233 72 3 0 0 628
60 S 0 0 0 1 10 96 319 552 625 628 628 628 628
Corn Growing Degree Days
50 M 0 0 8 53 159 340 527 539 323 112 15 1 2077
50 S 0 0 8 61 220 560 1087 1626 1949 2061 2076 2077 2077
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