condition	mean	min	max
0 h after light	6.353325	6.2006	6.50605
4 h after light	6.235035	5.85269	6.61738
8 h after light	4.71077	4.18661	5.23493
4 h after dark	6.16056	5.68572	6.6354
8 h after dark	4.841085	4.37028	5.31189
12 h after dark	5.726755	4.90907	6.54444