condition	mean	min	max
4 h after light	5.44292	4.54455	6.34129
8 h after light	2.211925	1.77654	2.64731
12 h after light	3.689445	3.63002	3.74887
4 h after dark	8.86749	7.97707	9.35262
8 h after dark	10.8099	10.0708	11.9472
12 h after dark	7.492686666666667	6.787	8.1453