condition	mean	min	max
4 h after light	6.77745	5.81783	7.73707
8 h after light	7.698435	7.39495	8.00192
12 h after light	9.439025	8.17175	10.7063
4 h after dark	13.00345	12.7282	13.2787
8 h after dark	10.09395	10.0754	10.1125
12 h after dark	10.28325	10.2497	10.3168