Prairie Fork Conservation Area / Missouri Department of Conservation Daily Weather Report Station: Callaway County, 2 miles southwest of Williamsburg 4/18/2024 Max. Temp. = 79.2 deg. F Min. Temp. = 45.1 deg. F Avg. Temp. = 59.3 deg. F Max. Wind = 30.6 mi/hr Time of Max Wind = 1653 CST Avg. Wind = 10.0 mi/hr Max. RH = 87.4 % Time of Max. RH = 2000 CST Min. RH = 51.7 % Time of Min. RH = 1300 CST Max. Fuel Moisture = 100.0 % Time of Max. Fuel Moisture = 2317 CST Min. Fuel Moisture = 9.3 % Time of Min. Fuel Moisture = 15 CST Max. Bare Soil Temp. at 2 in. = 75.6 deg. F Time of Max. Bare Soil Temp. = 1300 CST Min. Bare Soil Temp. at 2 in. = 53.0 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. = 57.1 deg. F Time of Min. Bare Soil Temp. at 4 in. = 700 CST Avg. Vapor Press. = 1.2 mb Avg. Vapor Press. Def. = 0.6 mb Precip. = 0.03 in Radiation = 12.02 MJoules/sq. meter Potential Evapotranspiration = 0.11 inches Growing Degree Days (45 F) = 14.3 Growing Degree Days (50 F) = 9.3 Growing Degree Days (55 F) = 4.3 Growing Degree Days (60 F) = 0.0 Heating Degree Days (65 F) = 5.7 Cooling Degree Days (65 F) = 0.0 Maximum Livestock Heat Stress Index = 74 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency