condition mean min max 0 h after light 8.27695 6.81438 9.73952 2 h after light 5.396145000000001 5.25785 5.53444 4 h after light 6.811845 6.68821 6.93548 8 h after light 5.5586400000000005 5.12086 5.99642 12 h after light 7.697255 6.52369 8.87082 2 h after dark 6.720454999999999 6.65727 6.78364 4 h after dark 6.883215 6.15932 7.60711 8 h after dark 8.3836 7.86321 8.90399 12 h after dark 7.802485 7.09117 8.5138