condition	mean	min	max
4 h after light	8.0966	3.73886	11.2504
8 h after light	4.467568666666667	0.681126	7.54447
12 h after light	5.83517	3.12815	8.31344
4 h after dark	12.32197	7.17321	16.4159
8 h after dark	11.20517	6.40471	15.3168
12 h after dark	6.40596	5.37019	7.11188