condition	mean	min	max
0 h after light	48.31205	46.7608	49.8633
4 h after light	19.20805	17.6153	20.8008
8 h after light	7.260825	6.11464	8.40701
4 h after dark	12.23535	10.0187	14.452
8 h after dark	14.9994	14.4293	15.5695
12 h after dark	42.928	31.7739	54.0821