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 4 17 20.5 343.0 15.5 185.8 10.5 96.1 5.5 39.9 4 18 21.3 364.3 16.3 202.1 11.3 107.4 6.3 46.2 4 19 3.3 367.6 0.0 202.1 0.0 107.4 0.0 46.2 4 20 11.1 378.7 6.1 208.2 1.1 108.5 0.0 46.2 4 21 9.5 388.2 4.5 212.7 0.0 108.5 0.0 46.2 4 22 18.6 406.8 13.6 226.3 8.6 117.1 3.6 49.8 4 23 19.3 426.1 14.3 240.6 9.3 126.4 4.3 54.1 ACC ACC DATE HDD65 HDD65 CDD65 CDD65 4 17 0.0 4674.6 0.5 4.3 4 18 0.0 4674.6 1.3 5.6 4 19 16.7 4691.3 0.0 5.6 4 20 8.9 4700.2 0.0 5.6 4 21 10.5 4710.7 0.0 5.6 4 22 1.4 4712.1 0.0 5.6 4 23 0.7 4712.8 0.0 5.6 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.