condition	mean	min	max
4 h after light	6.4224499999999995	5.95557	6.88933
8 h after light	5.00107	4.90516	5.09698
12 h after light	7.996245	6.64486	9.34763
4 h after dark	8.24766	7.69309	8.80223
8 h after dark	13.29815	13.2331	13.3632
12 h after dark	9.679490000000001	9.30888	10.0501