Commercial Agriculture Automated Weather Station Network Daily Weather Report Station: Linn County Forage Systems Research Center ( Linneus ) 5/7/2025 Max. Temp. = 73.8 deg. F Min. Temp. = 55.1 deg. F Avg. Temp. = 63.9 deg. F Max. Wind = 20.6 mi/hr Time of Max Wind = 1029 CST Avg. Wind = 4.2 mi/hr Max. RH = 78.9 % Time of Max. RH = 0 CST Min. RH = 38.7 % Time of Min. RH = 1300 CST Max. Bare Soil Temp. at 2 in. = 78.8 deg. F Time of Max. Bare Soil Temp. = 1300 CST Min. Bare Soil Temp. at 2 in. = 56.9 deg. F Time of Min. Bare Soil Temp. = 600 CST Avg. Vapor Press. = 1.2 mb Avg. Vapor Press. Def. = 0.9 mb Precip. = 0.00 in Radiation = 22.57 MJoules/sq. meter Potential Evapotranspiration = 0.18 inches Growing Degree Days (45 F) = 18.9 Growing Degree Days (50 F) = 13.9 Growing Degree Days (55 F) = 8.9 Growing Degree Days (60 F) = 3.9 Heating Degree Days (65 F) = 1.1 Cooling Degree Days (65 F) = 0.0 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