Prairie Fork Conservation Area / Missouri Department of Conservation Daily Weather Report Station: Callaway County, 2 miles southwest of Williamsburg 5/29/2025 Max. Temp. = 63.4 deg. F Min. Temp. = 52.2 deg. F Avg. Temp. = 57.9 deg. F Max. Wind = 10.0 mi/hr Time of Max Wind = 1306 CST Avg. Wind = 1.8 mi/hr Max. RH = 94.3 % Time of Max. RH = 0 CST Min. RH = 81.1 % Time of Min. RH = 1400 CST Max. Fuel Moisture = 100.0 % Time of Max. Fuel Moisture = 2237 CST Min. Fuel Moisture = 12.6 % Time of Min. Fuel Moisture = 15 CST Max. Bare Soil Temp. at 2 in. = 68.0 deg. F Time of Max. Bare Soil Temp. = 1400 CST Min. Bare Soil Temp. at 2 in. = 59.2 deg. F Time of Min. Bare Soil Temp. at 2 in. = 0 CST Max. Bare Soil Temp. at 4 in. = 66.4 deg. F Time of Max. Bare Soil Temp. at 4 in. = 1500 CST Min. Bare Soil Temp. at 4 in. = 60.8 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. = 0.13 in Radiation = 6.42 MJoules/sq. meter Potential Evapotranspiration = 0.05 inches Growing Degree Days (45 F) = 12.9 Growing Degree Days (50 F) = 7.9 Growing Degree Days (55 F) = 2.9 Growing Degree Days (60 F) = 0.0 Heating Degree Days (65 F) = 7.1 Cooling Degree Days (65 F) = 0.0 Maximum Livestock Heat Stress Index = 64 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency