condition	mean	min	max
4 h after light	6.48951	6.23289	6.9343
8 h after light	6.174903333333334	5.8086400000000005	6.79488
12 h after light	6.04573	5.55115	6.83938
4 h after dark	6.459216666666666	5.92504	7.2282
8 h after dark	6.46185	6.2908	6.8010399999999995
12 h after dark	6.941666666666666	6.3093699999999995	7.967739999999999