condition	mean	min	max
4 h after light	5.06804	4.00896	6.12712
8 h after light	5.92748	5.83655	6.01841
12 h after light	7.384885000000001	7.02609	7.74368
4 h after dark	9.556713333333333	8.92568	10.0756
8 h after dark	8.85048	8.40195	9.55228
12 h after dark	6.694273333333333	6.46365	6.85476