Commercial Agriculture Automated Weather Station Network Seven Day Reported Weather Indices Station: Boone County, Bradford Research and Extension Center (6.8 miles southeast of Columbia) Year = 2025 ACC ACC ACC ACC GDD45 GDD45 GDD50 GDD50 GDD55 GDD55 GDD60 GDD60 DATE 5 11 19.7 697.6 14.7 417.1 9.7 217.3 4.7 87.0 5 12 20.4 718.0 15.4 432.5 10.4 227.7 5.4 92.4 5 13 21.6 739.6 16.6 449.1 11.6 239.3 6.6 99.0 5 14 26.0 765.6 21.0 470.1 16.0 255.3 11.0 110.0 5 15 28.0 793.6 23.0 493.1 18.0 273.3 12.9 122.9 5 16 24.6 818.2 19.6 512.7 14.6 287.9 9.6 132.5 5 17 17.9 836.1 12.9 525.6 7.9 295.8 2.9 135.4 ACC ACC DATE HDD65 HDD65 CDD65 CDD65 5 11 0.3 4827.7 0.0 11.9 5 12 0.0 4827.7 0.4 12.3 5 13 0.0 4827.7 1.6 13.9 5 14 0.0 4827.7 6.0 19.9 5 15 0.0 4827.7 7.9 27.8 5 16 0.0 4827.7 4.6 32.4 5 17 2.1 4829.8 0.0 32.4 ACC HDD values accumulate for one year beginning July 1. ACC CDD values accumulate for one year beginning January 1. ACC GDD values accumulate from March 1 through October 31.