condition	mean	min	max
4 h after light	8.800983	7.463357	10.138609
8 h after light	8.3179485	8.049534	8.586363
12 h after light	9.252892	8.924452	9.581332
4 h after dark	8.913738500000001	8.782047	9.04543
8 h after dark	9.764949000000001	9.607642	9.922256
12 h after dark	8.718537	8.718537	8.718537