Commercial Agriculture Automated Weather Station Network Daily Weather Report Station: Boone County, Sanborn Field (University of Missouri-Columbia) 8/10/2025 Max. Temp. = 86.3 deg. F Min. Temp. = 75.0 deg. F Avg. Temp. = 79.4 deg. F Max. Wind = 17.1 mi/hr Time of Max Wind = 1444 CST Avg. Wind = 3.8 mi/hr Max. RH = 83.0 % Time of Max. RH = 0 CST Min. RH = 60.0 % Time of Min. RH = 1400 CST Max. Bare Soil Temp. at 2 in. = 81.9 deg. F Time of Max. Bare Soil Temp. = 1700 CST Min. Bare Soil Temp. at 2 in. = 78.6 deg. F Time of Min. Bare Soil Temp. = 800 CST Max. Bare Soil Temp. at 4 in. = 81.2 deg. F Time of Max. Bare Soil Temp. at 4 in. = 100 CST Min. Bare Soil Temp. at 4 in. = 78.8 deg. F Time of Min. Bare Soil Temp. at 4 in. = 900 CST Avg. Vapor Press. = 2.4 mb Avg. Vapor Press. Def. = 1.0 mb Precip. = 0.03 in Radiation = 10.72 MJoules/sq. meter Potential Evapotranspiration = 0.11 inches Growing Degree Days (45 F) = 34.4 Growing Degree Days (50 F) = 29.4 Growing Degree Days (55 F) = 24.4 Growing Degree Days (60 F) = 19.4 Heating Degree Days (65 F) = 0.0 Cooling Degree Days (65 F) = 14.4 Maximum Livestock Heat Stress Index = 79 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency