condition	mean	min	max
4 h after light	3.72966	3.65287	3.80645
8 h after light	3.463355	3.13044	3.79627
12 h after light	4.971185	4.32658	5.61579
4 h after dark	8.754906666666667	7.92698	9.28569
8 h after dark	7.3624133333333335	6.98506	8.03182
12 h after dark	6.4254	5.49103	7.38179