condition	mean	min	max
4 h after light	3.8494	3.33396	4.36484
8 h after light	3.161365	2.96443	3.3583
12 h after light	5.485365	5.40658	5.56415
4 h after dark	7.0824	6.77763	7.38717
8 h after dark	6.15889	6.04358	6.2742
12 h after dark	5.95705	5.91135	6.00275