condition	mean	min	max
4 h after light	10.207753	8.308155000000001	13.75094
8 h after light	3.8748096666666667	2.060715	6.42983
12 h after light	3.1756843333333333	1.438531	4.854983
16 h after light	5.278351333333333	3.16512	7.489836
4 h after dark	9.420312	5.916726000000001	11.77577
8 h after dark	16.69336	13.080969999999999	19.44742