condition	mean	min	max
4 h after light	3.41596	2.80364	4.02828
8 h after light	3.97593	3.79102	4.16084
12 h after light	5.64771	5.13692	6.1585
4 h after dark	6.4916350000000005	6.14741	6.83586
8 h after dark	7.588155	7.34865	7.82766
12 h after dark	5.793115	5.78381	5.80242