condition mean min max 4 h after light 14.7230445 14.065114 15.380975 8 h after light 16.340821 16.218957 16.462685 12 h after light 18.2138855 15.058417 21.369354 4 h after dark 12.4329955 11.320155 13.545836 8 h after dark 13.7074925 12.695535 14.71945 12 h after dark 14.984206 14.984206 14.984206