condition mean min max 4 h after light 1.436555 1.43097 1.44214 8 h after light 2.072565 2.05865 2.08648 12 h after light 4.541634999999999 4.32655 4.75672 4 h after dark 5.18139 4.21699 6.14579 8 h after dark 4.40084 4.3073 4.49438 12 h after dark 3.136635 3.10858 3.16469