condition	mean	min	max
0 h after light	11.4652	10.2014	12.729
4 h after light	6.582955	5.34055	7.82536
8 h after light	16.08625	15.5566	16.6159
4 h after dark	14.2179	12.6986	15.7372
8 h after dark	13.10865	12.8315	13.3858
12 h after dark	7.40104	6.87583	7.92625