condition	mean	min	max
0 h after light	9.63801	9.44479	9.83123
4 h after light	6.157085	6.07391	6.24026
8 h after light	6.51589	6.49712	6.53466
4 h after dark	9.438405	8.87611	10.0007
8 h after dark	8.95675	8.35436	9.55914
12 h after dark	8.522815	8.1794	8.86623