condition	mean	min	max
4 h after light	13.7720755	11.636373	15.907778
8 h after light	16.2782325	14.157928	18.398537
12 h after light	16.906282	15.116298	18.696266
4 h after dark	14.1260625	14.094197	14.157928
8 h after dark	13.69727	12.39748	14.99706
12 h after dark	10.141265	10.141265	10.141265