condition	mean	min	max
4 h after light	3.854815	3.68056	4.02907
8 h after light	3.766625	3.21533	4.31792
12 h after light	4.142095	3.83332	4.45087
4 h after dark	5.548475	5.01263	6.08432
8 h after dark	5.386025	5.33001	5.44204
12 h after dark	5.450514999999999	5.40691	5.49412