condition	mean	min	max
4 h after light	9.052385	3.74867	14.3561
8 h after light	7.538215	6.3317	8.74473
12 h after light	7.5398499999999995	6.88127	8.19843
4 h after dark	7.066936666666667	5.28925	9.61097
8 h after dark	8.918443333333332	5.07182	12.2253
12 h after dark	8.008126666666666	6.34051	9.05257