condition	mean	min	max
0 h after light	6.6574349999999995	6.25987	7.055
4 h after light	2.5329800000000002	2.05363	3.01233
8 h after light	2.401155	1.86129	2.94102
4 h after dark	5.22257	4.77003	5.67511
8 h after dark	5.815345000000001	5.62481	6.00588
12 h after dark	6.877644999999999	6.03876	7.71653