condition	mean	min	max
4 h after light	4.5957333333333334	4.497240000000001	4.67065
8 h after light	8.774456666666666	8.54175	9.1124
12 h after light	8.495653333333333	8.226510000000001	8.784469999999999
4 h after dark	7.652559999999999	7.405939999999999	7.86952
8 h after dark	6.4867799999999995	6.32444	6.76749
12 h after dark	5.798206666666666	5.4839199999999995	6.19085