Commercial Agriculture Automated Weather Station Network Daily Weather Report Station: Audrain County, Van-Far R-I Schools (Vandalia) 3/30/2025 Max. Temp. = 67.0 deg. F Min. Temp. = 40.0 deg. F Avg. Temp. = 52.8 deg. F Max. Wind = 37.9 mi/hr Time of Max Wind = 520 CST Avg. Wind = 11.5 mi/hr Max. RH = 92.0 % Time of Max. RH = 200 CST Min. RH = 64.8 % Time of Min. RH = 1700 CST Max. Bare Soil Temp. at 2 in. = 59.0 deg. F Time of Max. Bare Soil Temp. = 1600 CST Min. Bare Soil Temp. at 2 in. = 48.2 deg. F Time of Min. Bare Soil Temp. = 0 CST Max. Bare Soil Temp. at 4 in. = 57.3 deg. F Time of Max. Bare Soil Temp. at 4 in. = 1600 CST Min. Bare Soil Temp. at 4 in. = 50.4 deg. F Time of Min. Bare Soil Temp. at 4 in. = 0 CST Avg. Vapor Press. = 1.1 mb Avg. Vapor Press. Def. = 0.3 mb Precip. = 0.01 in Radiation = 12.85 MJoules/sq. meter Potential Evapotranspiration = 0.08 inches Growing Degree Days (45 F) = 7.8 Growing Degree Days (50 F) = 2.8 Growing Degree Days (55 F) = 0.0 Growing Degree Days (60 F) = 0.0 Heating Degree Days (65 F) = 12.2 Cooling Degree Days (65 F) = 0.0 Maximum Livestock Heat Stress Index = 65 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency