condition	mean	min	max
0 h after light	3.3615950000000003	3.3586	3.36459
4 h after light	3.42859	3.40781	3.44937
8 h after light	7.03257	6.23028	7.83486
4 h after dark	6.70017	5.8643	7.53604
8 h after dark	5.20982	4.49316	5.92648
12 h after dark	3.972255	3.84323	4.10128