condition	mean	min	max
0 h after light	10.095505	9.40011	10.7909
4 h after light	6.0985700000000005	5.25853	6.93861
8 h after light	10.5847	10.0293	11.1401
4 h after dark	15.23585	15.2058	15.2659
8 h after dark	13.681750000000001	12.1151	15.2484
12 h after dark	9.487645	8.43369	10.5416