condition	mean	min	max
4 h after light	8.4263	6.8465	10.0061
8 h after light	6.238720000000001	5.72515	6.75229
12 h after light	9.346265	8.82768	9.86485
4 h after dark	16.673066666666667	16.3709	16.9433
8 h after dark	16.340899999999998	15.8958	17.0766
12 h after dark	10.500186666666666	9.08465	12.6742