condition	mean	min	max
4 h after light	1.1756555	0.980561	1.37075
8 h after light	2.035765	1.79871	2.27282
12 h after light	6.501955	6.43488	6.56903
4 h after dark	11.258949999999999	11.1037	11.4142
8 h after dark	9.272815	8.87417	9.67146
12 h after dark	3.81109	3.59098	4.0312