condition	mean	min	max
4 h after light	6.302486666666667	2.83688	9.30883
8 h after light	10.40625	3.45765	16.3176
12 h after light	15.011733333333334	12.1217	20.0079
4 h after dark	18.623	14.5067	23.2606
8 h after dark	13.4805	11.9861	15.2684
12 h after dark	9.48109	7.1303	11.4942