condition	mean	min	max
4 h after light	5.16713	2.97653	7.90509
8 h after light	3.993736666666667	1.03274	6.7923
12 h after light	4.502133333333333	2.86906	6.01945
4 h after dark	4.42937	4.21805	4.78801
8 h after dark	5.1965	3.89289	6.79324
12 h after dark	6.441906666666666	5.21801	7.50345