condition	mean	min	max
4 h after light	5.124045000000001	4.17536	6.07273
8 h after light	4.15222	3.69399	4.61045
12 h after light	4.8317	4.57908	5.08432
4 h after dark	7.856856666666666	7.75432	7.95558
8 h after dark	7.54374	7.37127	7.66142
12 h after dark	5.391196666666667	4.96084	5.88552