condition mean min max 0 h after light 48.216750000000005 47.7686 48.6649 4 h after light 47.4286 46.8033 48.0539 8 h after light 28.080550000000002 24.4309 31.7302 4 h after dark 5.67774 5.16858 6.1869 8 h after dark 37.287549999999996 36.7881 37.787 12 h after dark 40.6488 39.3492 41.9484