Prairie Fork Conservation Area / Missouri Department of Conservation Daily Weather Report Station: Callaway County, 2 miles southwest of Williamsburg 10/7/2025 Max. Temp. = 65.9 deg. F Min. Temp. = 47.4 deg. F Avg. Temp. = 59.1 deg. F Max. Wind = 21.1 mi/hr Time of Max Wind = 441 CST Avg. Wind = 3.4 mi/hr Max. RH = 92.6 % Time of Max. RH = 800 CST Min. RH = 70.0 % Time of Min. RH = 1800 CST Max. Fuel Moisture = 3.0 % Time of Max. Fuel Moisture = 2351 CST Min. Fuel Moisture = 12.7 % Time of Min. Fuel Moisture = 16 CST Max. Bare Soil Temp. at 2 in. = 67.4 deg. F Time of Max. Bare Soil Temp. = 100 CST Min. Bare Soil Temp. at 2 in. = 58.0 deg. F Time of Min. Bare Soil Temp. at 2 in. = 0 CST Max. Bare Soil Temp. at 4 in. = 68.5 deg. F Time of Max. Bare Soil Temp. at 4 in. = 100 CST Min. Bare Soil Temp. at 4 in. = 59.6 deg. F Time of Min. Bare Soil Temp. at 4 in. = 0 CST Avg. Vapor Press. = 1.5 mb Avg. Vapor Press. Def. = 0.2 mb Precip. = 0.00 in Radiation = 3.84 MJoules/sq. meter Potential Evapotranspiration = 0.02 inches Growing Degree Days (45 F) = 14.1 Growing Degree Days (50 F) = 9.1 Growing Degree Days (55 F) = 4.1 Growing Degree Days (60 F) = 0.0 Heating Degree Days (65 F) = 5.9 Cooling Degree Days (65 F) = 0.0 Maximum Livestock Heat Stress Index = 66 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency