condition	mean	min	max
0 h after light	6.266935	5.71718	6.81669
4 h after light	8.25828	8.07639	8.44017
8 h after light	6.836985	6.61623	7.05774
4 h after dark	14.038350000000001	13.13	14.9467
8 h after dark	9.962945	8.27489	11.651
12 h after dark	6.618025	3.32461	9.91144