condition	mean	min	max
4 h after light	5.584465	5.19433	5.9746
8 h after light	6.06684	5.49512	6.63856
12 h after light	6.504635	6.36235	6.64692
4 h after dark	7.432729999999999	7.13911	7.72635
8 h after dark	6.34378	5.64753	7.04003
12 h after dark	5.903135	5.63282	6.17345