condition	mean	min	max
4 h after light	15.246678500000002	14.157928	16.335429
8 h after light	14.3803245	13.242259	15.51839
12 h after light	17.499458999999998	14.783128	20.21579
4 h after dark	14.1628005	13.205454	15.120147
8 h after dark	15.718181000000001	15.51839	15.917972
12 h after dark	20.055277	20.055277	20.055277