condition	mean	min	max
0 h after light	9.55235	8.4994	10.6053
4 h after light	6.13355	5.85551	6.41159
8 h after light	5.889665	5.80577	5.97356
4 h after dark	8.036755	7.63824	8.43527
8 h after dark	9.269490000000001	8.21668	10.3223
12 h after dark	8.900145	8.61408	9.18621