condition	mean	min	max
4 h after light	15.388300000000001	13.509	17.2676
8 h after light	53.2963	51.596	54.9966
12 h after light	27.90065	27.6898	28.1115
4 h after dark	11.5175	11.0123	11.7817
8 h after dark	10.082093333333333	9.44998	10.7862
12 h after dark	10.220986666666667	9.35264	11.3775