condition	mean	min	max
4 h after light	14.402085	13.634898	15.169272
8 h after light	13.710388	13.576182	13.844594
12 h after light	12.6320315	12.087766	13.176297
4 h after dark	14.772801000000001	12.682819	16.862783
8 h after dark	13.576182	13.576182	13.576182
12 h after dark	11.552722	11.552722	11.552722