condition	mean	min	max
0 h after light	20.02785	18.5947	21.461
4 h after light	7.735805	6.97085	8.50076
8 h after light	5.46087	5.32582	5.59592
4 h after dark	10.54274	9.51308	11.5724
8 h after dark	10.208649999999999	10.1116	10.3057
12 h after dark	14.031400000000001	11.2583	16.8045