condition	mean	min	max
4 h after light	10.00005	8.3359	11.6642
8 h after light	8.81398	8.66278	8.96518
12 h after light	12.63505	11.1177	14.1524
4 h after dark	15.46695	13.2797	17.6542
8 h after dark	16.170849999999998	14.6246	17.7171
12 h after dark	14.47895	12.1464	16.8115