condition	mean	min	max
3 h after light	11.8835	10.2124	14.2255
6 h after light	14.6412	11.8551	18.9923
9 h after light	19.111866666666668	17.419	20.4568
12 h after light	23.92085	11.6547	29.076
3 h after dark	21.945966666666667	19.3927	23.6675
6 h after dark	15.3497	14.8748	16.1778
9 h after dark	10.227879999999999	8.85966	12.5566
12 h after dark	8.72183	8.41085	9.03281