condition	mean	min	max
4 h after light	3.75162	3.19142	4.31182
8 h after light	3.7007149999999998	3.59653	3.8049
12 h after light	4.05661	3.86847	4.24475
4 h after dark	6.783096666666666	6.33515	7.21147
8 h after dark	6.9050400000000005	6.70105	7.12131
12 h after dark	6.978166666666667	6.89086	7.05699