condition	mean	min	max
4 h after light	16.9568	13.8151	20.0985
8 h after light	11.2362	10.7826	11.6898
12 h after light	7.57588	6.26342	8.88834
4 h after dark	13.067499999999999	11.0829	15.0521
8 h after dark	9.626475	8.97865	10.2743
12 h after dark	12.9268	11.211	14.6426