condition	mean	min	max
0 h after light	5.269500000000001	5.11425	5.42475
4 h after light	7.78946	7.11864	8.46028
8 h after light	7.636785	7.59463	7.67894
4 h after dark	8.557045	7.85927	9.25482
8 h after dark	8.299900000000001	8.00744	8.59236
12 h after dark	6.17377	5.58807	6.75947