Commercial Agriculture Automated Weather Station Network Daily Weather Report Station: Putnam County, Putnam County R-1 (Unionville, MO) 8/31/2025 Max. Temp. = 72.0 deg. F Min. Temp. = 64.0 deg. F Avg. Temp. = 66.8 deg. F Max. Wind = 13.3 mi/hr Time of Max Wind = 845 CST Avg. Wind = 3.3 mi/hr Max. RH = 99.9 % Time of Max. RH = 2100 CST Min. RH = 75.8 % Time of Min. RH = 1500 CST Max. Bare Soil Temp. at 2 in. = 75.3 deg. F Time of Max. Bare Soil Temp. = 1500 CST Min. Bare Soil Temp. at 2 in. = 69.0 deg. F Time of Min. Bare Soil Temp. = 0 CST Avg. Vapor Press. = 2.0 mb Avg. Vapor Press. Def. = 0.3 mb Precip. = 0.18 in Radiation = 5.00 MJoules/sq. meter Potential Evapotranspiration = 0.04 inches Growing Degree Days (45 F) = 21.8 Growing Degree Days (50 F) = 16.8 Growing Degree Days (55 F) = 11.8 Growing Degree Days (60 F) = 6.8 Heating Degree Days (65 F) = 0.0 Cooling Degree Days (65 F) = 1.8 Maximum Livestock Heat Stress Index = 70 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency