Commercial Agriculture Automated Weather Station Network Daily Weather Report Station: Boone County, Bradford Research and Extension Center (6.8 miles southeast of Columbia) 8/31/2025 Max. Temp. = 74.5 deg. F Min. Temp. = 63.6 deg. F Avg. Temp. = 68.4 deg. F Max. Wind = 12.8 mi/hr Time of Max Wind = 2104 CST Avg. Wind = 4.4 mi/hr Max. RH = 88.1 % Time of Max. RH = 1100 CST Min. RH = 60.7 % Time of Min. RH = 1600 CST Max. Bare Soil Temp. at 2 in. = 74.9 deg. F Time of Max. Bare Soil Temp. = 1700 CST Min. Bare Soil Temp. at 2 in. = 69.1 deg. F Time of Min. Bare Soil Temp. at 2 in. = 0 CST Max. Bare Soil Temp. at 4 in. = 74.9 deg. F Time of Max. Bare Soil Temp. at 4 in. = 100 CST Min. Bare Soil Temp. at 4 in. = 69.9 deg. F Time of Min. Bare Soil Temp. at 4 in. = 0 CST Avg. Vapor Press. = 1.8 mb Avg. Vapor Press. Def. = 0.6 mb Precip. = 0.00 in Growing Degree Days (45 F) = 23.4 Growing Degree Days (50 F) = 18.4 Growing Degree Days (55 F) = 13.4 Growing Degree Days (60 F) = 8.4 Heating Degree Days (65 F) = 0.0 Cooling Degree Days (65 F) = 3.4 Maximum Livestock Heat Stress Index = 71 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency