condition	mean	min	max
2 h after light	6.718463333333333	6.43602	7.11568
6 h after light	4.98702	4.66237	5.3973
10 h after light	5.02233	4.69927	5.62924
2 h after dark	5.51323	4.82722	6.36824
6 h after dark	6.591033333333334	6.09764	7.20546
10 h after dark	6.096946666666667	6.01669	6.24332