Commercial Agriculture Automated Weather Station Network Daily Weather Report Station: Saint Louis, MO, Saint Louis Science Center 4/24/2024 Max. Temp. = 68.3 deg. F Min. Temp. = 46.1 deg. F Avg. Temp. = 55.7 deg. F Max. Wind = 18.9 mi/hr Time of Max Wind = 1555 CST Avg. Wind = 1.3 mi/hr Max. RH = 99.9 % Time of Max. RH = 100 CST Min. RH = 37.0 % Time of Min. RH = 1400 CST Max. Bare Soil Temp. at 2 in. = 80.0 deg. F Time of Max. Bare Soil Temp. = 1300 CST Min. Bare Soil Temp. at 2 in. = 51.5 deg. F Time of Min. Bare Soil Temp. = 700 CST Avg. Vapor Press. = 1.0 mb Avg. Vapor Press. Def. = 0.6 mb Precip. = 0.01 in Radiation = 19.16 MJoules/sq. meter Potential Evapotranspiration = 0.16 inches Growing Degree Days (45 F) = 10.7 Growing Degree Days (50 F) = 5.7 Growing Degree Days (55 F) = 0.7 Growing Degree Days (60 F) = 0.0 Heating Degree Days (65 F) = 9.3 Cooling Degree Days (65 F) = 0.0 Maximum Livestock Heat Stress Index = 65 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency