condition	mean	min	max
0 h after light	8.71018	8.45399	8.96637
4 h after light	10.050495	9.59149	10.5095
8 h after light	14.1493	13.6831	14.6155
4 h after dark	15.999300000000002	13.9259	18.0727
8 h after dark	12.549050000000001	12.3515	12.7466
12 h after dark	9.869515	9.78978	9.94925