condition	mean	min	max
0 h after light	9.61748	9.49576	9.7392
4 h after light	4.39152	2.76442	6.01862
8 h after light	8.376395	7.13451	9.61828
4 h after dark	10.119895	8.47119	11.7686
8 h after dark	9.953835	9.12947	10.7782
12 h after dark	5.69852	5.30082	6.09622