condition	mean	min	max
4 h after light	9.945105000000002	9.48271	10.4075
8 h after light	8.333275	7.99154	8.67501
12 h after light	7.37929	7.26143	7.49715
4 h after dark	9.62424	9.34246	9.89442
8 h after dark	9.269156666666666	8.4851	10.3973
12 h after dark	9.42479	8.15366	10.1914