condition	mean	min	max
4 h after light	3.1107750000000003	3.08415	3.1374
8 h after light	3.47988	3.2757	3.68406
12 h after light	4.42446	4.15454	4.69438
4 h after dark	6.28201	5.52564	7.03838
8 h after dark	6.527	6.16823	6.88577
12 h after dark	4.864240000000001	4.72992	4.99856