Commercial Agriculture Automated Weather Station Network Daily Weather Report Station: Audrain County, Van-Far R-I Schools (Vandalia) 6/29/2025 Max. Temp. = 82.1 deg. F Min. Temp. = 69.6 deg. F Avg. Temp. = 74.8 deg. F Max. Wind = 16.7 mi/hr Time of Max Wind = 1529 CST Avg. Wind = 4.7 mi/hr Max. RH = 99.2 % Time of Max. RH = 600 CST Min. RH = 70.5 % Time of Min. RH = 1500 CST Max. Bare Soil Temp. at 2 in. = 89.0 deg. F Time of Max. Bare Soil Temp. = 1600 CST Min. Bare Soil Temp. at 2 in. = 74.8 deg. F Time of Min. Bare Soil Temp. = 600 CST Max. Bare Soil Temp. at 4 in. = 83.3 deg. F Time of Max. Bare Soil Temp. at 4 in. = 1700 CST Min. Bare Soil Temp. at 4 in. = 75.9 deg. F Time of Min. Bare Soil Temp. at 4 in. = 700 CST Avg. Vapor Press. = 2.5 mb Avg. Vapor Press. Def. = 0.4 mb Precip. = 0.00 in Radiation = 14.30 MJoules/sq. meter Potential Evapotranspiration = 0.12 inches Growing Degree Days (45 F) = 29.8 Growing Degree Days (50 F) = 24.8 Growing Degree Days (55 F) = 19.8 Growing Degree Days (60 F) = 14.8 Heating Degree Days (65 F) = 0.0 Cooling Degree Days (65 F) = 9.8 Maximum Livestock Heat Stress Index = 77 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency