condition	mean	min	max
0 h after light	12.9375	12.5305	13.3445
4 h after light	7.1793	6.90144	7.45716
8 h after light	5.267585	5.24919	5.28598
4 h after dark	9.615	6.6522	12.5778
8 h after dark	8.987015	8.85726	9.11677
12 h after dark	11.7157	10.9177	12.5137