Prairie Fork Conservation Area / Missouri Department of Conservation Daily Weather Report Station: Callaway County, 2 miles southwest of Williamsburg 8/3/2025 Max. Temp. = 76.9 deg. F Min. Temp. = 51.6 deg. F Avg. Temp. = 64.7 deg. F Max. Wind = 15.0 mi/hr Time of Max Wind = 1243 CST Avg. Wind = 3.1 mi/hr Max. RH = 93.2 % Time of Max. RH = 700 CST Min. RH = 50.1 % Time of Min. RH = 1600 CST Max. Fuel Moisture = 100.0 % Time of Max. Fuel Moisture = 512 CST Min. Fuel Moisture = 12.9 % Time of Min. Fuel Moisture = 17 CST Max. Bare Soil Temp. at 2 in. = 90.9 deg. F Time of Max. Bare Soil Temp. = 1500 CST Min. Bare Soil Temp. at 2 in. = 64.4 deg. F Time of Min. Bare Soil Temp. at 2 in. = 700 CST Max. Bare Soil Temp. at 4 in. = 87.0 deg. F Time of Max. Bare Soil Temp. at 4 in. = 1600 CST Min. Bare Soil Temp. at 4 in. = 66.6 deg. F Time of Min. Bare Soil Temp. at 4 in. = 700 CST Avg. Vapor Press. = 1.5 mb Avg. Vapor Press. Def. = 0.7 mb Precip. = 0.00 in Radiation = 22.74 MJoules/sq. meter Potential Evapotranspiration = 0.22 inches Growing Degree Days (45 F) = 19.7 Growing Degree Days (50 F) = 14.7 Growing Degree Days (55 F) = 9.7 Growing Degree Days (60 F) = 4.7 Heating Degree Days (65 F) = 0.3 Cooling Degree Days (65 F) = 0.0 Maximum Livestock Heat Stress Index = 73 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency