condition	mean	min	max
4 h after light	9.536089	9.433707	9.638471
8 h after light	8.7447885	8.492094	8.997483
12 h after light	9.304485499999998	8.957968	9.651003
4 h after dark	9.075429	8.675905	9.474953
8 h after dark	8.920434	8.54191	9.298958
12 h after dark	9.772502	9.772502	9.772502