Commercial Agriculture Automated Weather Station Network Daily Weather Report Station: Boone County, Sanborn Field (University of Missouri-Columbia) 6/9/2025 Max. Temp. = 81.3 deg. F Min. Temp. = 57.8 deg. F Avg. Temp. = 69.2 deg. F Max. Wind = 21.9 mi/hr Time of Max Wind = 1235 CST Avg. Wind = 5.4 mi/hr Max. RH = 93.5 % Time of Max. RH = 400 CST Min. RH = 31.3 % Time of Min. RH = 1500 CST Max. Bare Soil Temp. at 2 in. = 78.9 deg. F Time of Max. Bare Soil Temp. = 1500 CST Min. Bare Soil Temp. at 2 in. = 63.9 deg. F Time of Min. Bare Soil Temp. = 700 CST Max. Bare Soil Temp. at 4 in. = 76.2 deg. F Time of Max. Bare Soil Temp. at 4 in. = 1600 CST Min. Bare Soil Temp. at 4 in. = 65.4 deg. F Time of Min. Bare Soil Temp. at 4 in. = 700 CST Avg. Vapor Press. = 1.4 mb Avg. Vapor Press. Def. = 1.1 mb Precip. = 0.00 in Radiation = 27.48 MJoules/sq. meter Potential Evapotranspiration = 0.23 inches Growing Degree Days (45 F) = 24.2 Growing Degree Days (50 F) = 19.2 Growing Degree Days (55 F) = 14.2 Growing Degree Days (60 F) = 9.2 Heating Degree Days (65 F) = 0.0 Cooling Degree Days (65 F) = 4.2 Maximum Livestock Heat Stress Index = 76 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency