condition	mean	min	max
0 h after light	7.685309999999999	7.01977	8.35085
4 h after light	5.508405	4.75826	6.25855
8 h after light	5.06698	4.77468	5.35928
4 h after dark	8.63577	8.187	9.08454
8 h after dark	7.808755	7.40761	8.2099
12 h after dark	6.28632	6.00044	6.5722