condition	mean	min	max
4 h after light	4.550027	3.377321	6.287123
8 h after light	4.554791666666667	2.2793650000000003	8.00869
12 h after light	2.6884240000000004	1.636443	3.7913330000000003
16 h after light	5.102775666666666	2.369695	9.820829
4 h after dark	7.298295	5.159819000000001	11.25465
8 h after dark	5.386883	4.334348	6.733936999999999