condition	mean	min	max
4 h after light	15.85365	15.6055	16.1018
8 h after light	9.167455	9.14229	9.19262
12 h after light	7.97868	7.17578	8.78158
4 h after dark	8.846905	8.72284	8.97097
8 h after dark	10.7168	10.6977	10.7359
12 h after dark	14.26745	13.8831	14.6518