condition	mean	min	max
4 h after light	4.49017	4.19107	4.78927
8 h after light	4.148175	4.12748	4.16887
12 h after light	5.971805	5.54336	6.40025
4 h after dark	9.051314999999999	8.65931	9.44332
8 h after dark	7.78631	7.33637	8.23625
12 h after dark	8.344615	7.45057	9.23866