condition	mean	min	max
4 h after light	5.77885	4.88689	6.67081
8 h after light	4.676545	4.37388	4.97921
12 h after light	8.946275	8.10366	9.78889
4 h after dark	13.08575	12.0793	14.0922
8 h after dark	10.6173	10.4509	10.7837
12 h after dark	8.29106	8.06684	8.51528