condition	mean	min	max
4 h after light	5.70632	5.33812	6.07452
8 h after light	5.22143	4.94365	5.49921
12 h after light	5.93506	5.83983	6.03029
4 h after dark	6.670216666666667	6.47594	6.77762
8 h after dark	5.30748	5.1826	5.5347
12 h after dark	5.46305	4.8753	5.99331