condition	mean	min	max
4 h after light	5.46058	4.49976	6.4214
8 h after light	4.679065	4.67354	4.68459
12 h after light	7.05971	7.04741	7.07201
4 h after dark	8.20747	6.93908	9.47586
8 h after dark	10.013885	9.35127	10.6765
12 h after dark	8.18584	7.45512	8.91656