condition	mean	min	max
4 h after light	13.90935	10.777	17.0417
8 h after light	9.162645000000001	8.98398	9.34131
12 h after light	7.377805	7.34624	7.40937
4 h after dark	9.382159999999999	8.61502	10.1493
8 h after dark	8.719515	8.23069	9.20834
12 h after dark	10.52825	10.5108	10.5457