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 7 16 34.7 2401.7 29.7 1791.2 24.7 1261.4 19.7 811.0 7 17 28.9 2430.6 23.9 1815.1 18.9 1280.3 13.9 824.9 7 18 31.7 2462.3 26.7 1841.8 21.7 1302.0 16.7 841.6 7 19 35.2 2497.5 30.2 1872.0 25.2 1327.2 20.2 861.8 7 20 36.4 2533.9 31.4 1903.4 26.4 1353.6 21.4 883.2 7 21 30.4 2564.3 25.4 1928.8 20.4 1374.0 15.4 898.6 7 22 36.8 2601.1 31.8 1960.6 26.8 1400.8 21.8 920.4 ACC ACC DATE HDD65 HDD65 CDD65 CDD65 7 16 0.0 0.0 14.7 453.1 7 17 0.0 0.0 8.9 462.0 7 18 0.0 0.0 11.7 473.7 7 19 0.0 0.0 15.2 488.9 7 20 0.0 0.0 16.4 505.3 7 21 0.0 0.0 10.4 515.7 7 22 0.0 0.0 16.8 532.5 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.