condition	mean	min	max
4 h after light	5.63086	5.491280000000001	5.86978
8 h after light	5.829829999999999	5.6667	5.99193
12 h after light	5.86949	5.73025	6.12794
4 h after dark	6.322376666666667	6.1070199999999994	6.58007
8 h after dark	5.827636666666667	5.59051	6.01222
12 h after dark	5.548323333333333	5.12636	5.82985