condition mean min max 4 h after light 2.9826776666666666 2.885614 3.169429 8 h after light 2.1679413333333333 1.538848 2.516579 12 h after light 1.4509726666666667 1.339646 1.561558 16 h after light 2.934197 2.500082 3.475544 4 h after dark 2.388437 2.1868090000000002 2.712491 8 h after dark 6.399185 5.875268 6.834258999999999