condition	mean	min	max
4 h after light	5.587725	4.57396	6.60149
8 h after light	3.51783	3.20048	3.83518
12 h after light	6.59983	6.37751	6.82215
4 h after dark	6.238695	4.92518	7.55221
8 h after dark	8.913575	8.21712	9.61003
12 h after dark	9.949075	8.36545	11.5327