condition	mean	min	max
4 h after light	5.094503333333333	4.01385	5.83889
8 h after light	5.1643566666666665	1.45279	7.8016
12 h after light	6.50243	5.32371	8.21195
4 h after dark	9.09569	6.85077	10.3651
8 h after dark	10.76599	9.24077	13.0375
12 h after dark	8.693143333333333	7.43946	9.98814