condition	mean	min	max
4 h after light	7.45805	4.87586	9.58576
8 h after light	5.20985	1.56117	9.23267
12 h after light	6.33204	3.42842	9.4968
4 h after dark	6.719093333333333	4.33923	8.47087
8 h after dark	7.469329999999999	5.82594	9.90294
12 h after dark	11.067023333333333	9.56717	13.336