condition mean min max 4 h after light 56.441659 46.671385 66.211933 8 h after light 63.4882805 59.902051 67.07451 12 h after light 56.469372500000006 56.255203 56.683542 4 h after dark 86.345698 63.275402 109.415994 8 h after dark 63.4780975 38.835623 88.120572 12 h after dark 40.866586 40.866586 40.866586