Commercial Agriculture Automated Weather Station Network Daily Weather Report Station: Boone County, Sanborn Field (University of Missouri-Columbia) 5/17/2025 Max. Temp. = 75.8 deg. F Min. Temp. = 56.1 deg. F Avg. Temp. = 65.3 deg. F Max. Wind = 26.1 mi/hr Time of Max Wind = 112 CST Avg. Wind = 7.5 mi/hr Max. RH = 57.1 % Time of Max. RH = 0 CST Min. RH = 32.0 % Time of Min. RH = 1800 CST Max. Bare Soil Temp. at 2 in. = 69.0 deg. F Time of Max. Bare Soil Temp. = 1600 CST Min. Bare Soil Temp. at 2 in. = 61.3 deg. F Time of Min. Bare Soil Temp. = 800 CST Max. Bare Soil Temp. at 4 in. = 67.2 deg. F Time of Max. Bare Soil Temp. at 4 in. = 1700 CST Min. Bare Soil Temp. at 4 in. = 62.3 deg. F Time of Min. Bare Soil Temp. at 4 in. = 800 CST Avg. Vapor Press. = 1.0 mb Avg. Vapor Press. Def. = 1.2 mb Precip. = 0.00 in Radiation = 24.25 MJoules/sq. meter Potential Evapotranspiration = 0.21 inches Growing Degree Days (45 F) = 20.3 Growing Degree Days (50 F) = 15.3 Growing Degree Days (55 F) = 10.3 Growing Degree Days (60 F) = 5.3 Heating Degree Days (65 F) = 0.0 Cooling Degree Days (65 F) = 0.3 Maximum Livestock Heat Stress Index = 72 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency