condition	mean	min	max
4 h after light	9.823086666666667	7.87049	12.4736
8 h after light	10.37444	3.86552	15.9634
12 h after light	11.33413	7.57606	17.0929
4 h after dark	15.7966	11.3348	19.3155
8 h after dark	14.2006	11.7806	16.143
12 h after dark	10.721986666666666	8.73489	14.079