Commercial Agriculture Automated Weather Station Network Daily Weather Report Station: Linn County Forage Systems Research Center ( Linneus ) 6/29/2025 Max. Temp. = 80.2 deg. F Min. Temp. = 69.2 deg. F Avg. Temp. = 74.0 deg. F Max. Wind = 17.8 mi/hr Time of Max Wind = 1346 CST Avg. Wind = 4.4 mi/hr Max. RH = 99.7 % Time of Max. RH = 400 CST Min. RH = 76.9 % Time of Min. RH = 1600 CST Max. Bare Soil Temp. at 2 in. = 84.7 deg. F Time of Max. Bare Soil Temp. = 1400 CST Min. Bare Soil Temp. at 2 in. = 75.0 deg. F Time of Min. Bare Soil Temp. = 0 CST Avg. Vapor Press. = 2.6 mb Avg. Vapor Press. Def. = 0.3 mb Precip. = 0.10 in Radiation = 11.76 MJoules/sq. meter Potential Evapotranspiration = 0.09 inches Growing Degree Days (45 F) = 29.0 Growing Degree Days (50 F) = 24.0 Growing Degree Days (55 F) = 19.0 Growing Degree Days (60 F) = 14.0 Heating Degree Days (65 F) = 0.0 Cooling Degree Days (65 F) = 9.0 Maximum Livestock Heat Stress Index = 76 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency