condition	mean	min	max
4 h after light	7.1850155	5.967603	8.402428
8 h after light	10.089583000000001	9.104695	11.074471
12 h after light	13.940725	8.392851	19.488599
4 h after dark	12.6627395	11.832585	13.492894
8 h after dark	18.5308175	9.712773	27.348862
12 h after dark	6.98129	6.98129	6.98129