condition	mean	min	max
4 h after light	6.696210000000001	4.67006	8.86297
8 h after light	8.285986666666666	3.00977	12.7821
12 h after light	8.288743333333333	4.84949	11.1097
4 h after dark	9.633326666666667	8.3529	11.1853
8 h after dark	6.8708599999999995	5.33862	8.35207
12 h after dark	7.73494	6.89828	8.79499