condition	mean	min	max
4 h after light	7.0791900000000005	3.96508	10.1933
8 h after light	5.59615	4.74528	6.44702
12 h after light	7.86233	7.60979	8.11487
4 h after dark	15.223700000000001	8.5791	23.3091
8 h after dark	16.161566666666666	14.563	17.2659
12 h after dark	13.708233333333332	10.7897	19.1833