condition mean min max 4 h after light 22.0546565 18.854904 25.254409 8 h after light 21.801866 17.238716 26.365016 12 h after light 21.7320845 20.042233 23.421936 4 h after dark 23.2482255 19.894262 26.602189 8 h after dark 32.257601 18.627555 45.887647 12 h after dark 28.044841 28.044841 28.044841