condition	mean	min	max
0 h after light	6.424894999999999	6.27816	6.57163
4 h after light	7.188435	6.35054	8.02633
8 h after light	1.792095	1.67923	1.90496
4 h after dark	3.3835249999999997	3.2912	3.47585
8 h after dark	7.534165	7.11517	7.95316
12 h after dark	6.35573	5.82394	6.88752