condition	mean	min	max
4 h after light	4.80563	4.43108	5.18018
8 h after light	5.649395	5.35476	5.94403
12 h after light	6.2943999999999996	5.66598	6.92282
4 h after dark	7.938945	7.46704	8.41085
8 h after dark	7.32881	7.31567	7.34195
12 h after dark	6.76081	6.7381	6.78352