Commercial Agriculture Automated Weather Station Network Daily Weather Report Station: Lawrence County, Southwest Center (4 miles Southwest of Mt. Vernon, MO) 8/31/2025 Max. Temp. = 79.9 deg. F Min. Temp. = 63.7 deg. F Avg. Temp. = 71.2 deg. F Max. Wind = 14.4 mi/hr Time of Max Wind = 940 CST Avg. Wind = 4.4 mi/hr Max. RH = 91.5 % Time of Max. RH = 0 CST Min. RH = 41.6 % Time of Min. RH = 1500 CST Max. Bare Soil Temp. at 2 in. = 84.2 deg. F Time of Max. Bare Soil Temp. = 1500 CST Min. Bare Soil Temp. at 2 in. = 65.2 deg. F Time of Min. Bare Soil Temp. = 0 CST Avg. Vapor Press. = 1.7 mb Avg. Vapor Press. Def. = 0.9 mb Precip. = 0.00 in Radiation = 6.40 MJoules/sq. meter Potential Evapotranspiration = 0.06 inches Growing Degree Days (45 F) = 26.2 Growing Degree Days (50 F) = 21.2 Growing Degree Days (55 F) = 16.2 Growing Degree Days (60 F) = 11.2 Heating Degree Days (65 F) = 0.0 Cooling Degree Days (65 F) = 6.2 Maximum Livestock Heat Stress Index = 75 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency