condition	mean	min	max
0 h after light	7.7807949999999995	7.54502	8.01657
4 h after light	6.00597	5.47466	6.53728
8 h after light	3.89772	3.72382	4.07162
4 h after dark	6.188230000000001	5.72604	6.65042
8 h after dark	6.84013	6.8123	6.86796
12 h after dark	7.4032	6.70069	8.10571