Commercial Agriculture Automated Weather Station Network Daily Weather Report Station: Barton County Electric Cooperative ( Lamar ) 5/19/2025 Max. Temp. = 75.8 deg. F Min. Temp. = 63.4 deg. F Avg. Temp. = 68.8 deg. F Max. Wind = 36.2 mi/hr Time of Max Wind = 1727 CST Avg. Wind = 10.6 mi/hr Max. RH = 90.0 % Time of Max. RH = 1800 CST Min. RH = 78.0 % Time of Min. RH = 1200 CST Max. Bare Soil Temp. at 2 in. = 72.1 deg. F Time of Max. Bare Soil Temp. = 1400 CST Min. Bare Soil Temp. at 2 in. = 63.6 deg. F Time of Min. Bare Soil Temp. = 500 CST Avg. Vapor Press. = 2.0 mb Avg. Vapor Press. Def. = 0.4 mb Precip. = 0.26 in Radiation = 5.68 MJoules/sq. meter Potential Evapotranspiration = 0.07 inches Growing Degree Days (45 F) = 23.8 Growing Degree Days (50 F) = 18.8 Growing Degree Days (55 F) = 13.8 Growing Degree Days (60 F) = 8.8 Heating Degree Days (65 F) = 0.0 Cooling Degree Days (65 F) = 3.8 Maximum Livestock Heat Stress Index = 73 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency