condition	mean	min	max
2 h after light	12.015833333333333	11.5387	12.6704
6 h after light	16.9557	15.2018	18.3355
10 h after light	18.7013	17.629	20.3919
2 h after dark	7.682236666666666	7.24797	8.44791
6 h after dark	7.58698	7.38587	7.85091
10 h after dark	8.77222	7.88721	9.37677