condition	mean	min	max
4 h after light	7.052205000000001	4.89004	9.21437
8 h after light	0.96871	0.0	1.93742
12 h after light	5.33032	5.01625	5.64439
4 h after dark	14.904056666666667	8.19337	19.1216
8 h after dark	11.333073333333333	3.30803	21.2387
12 h after dark	10.926269999999999	7.77916	15.1778