condition	mean	min	max
4 h after light	9.052073333333333	5.13684	12.249
8 h after light	5.1642	1.86488	8.40777
12 h after light	4.567263333333333	2.31631	8.17642
4 h after dark	3.73164	1.74843	6.22785
8 h after dark	3.6011599999999997	2.38116	4.95147
12 h after dark	5.0578	2.95268	6.71772