condition	mean	min	max
2 h after light	10.329115	8.41695	12.5717
6 h after light	12.516675	6.51458	18.7963
10 h after light	7.379911666666667	5.34728	11.9459
14 h after light	8.143496666666667	6.69342	10.8778
18 h after light	10.278528333333334	8.89007	11.2293
2 h after dark	6.563405	5.57285	7.86167