condition mean min max 4 h after light 2.946075 1.35119 4.54096 8 h after light 6.847635 6.18514 7.51013 12 h after light 4.68937 3.06758 6.31116 4 h after dark 6.57296 4.44785 7.71999 8 h after dark 3.35016 1.58714 5.35625 12 h after dark 2.819906666666667 0.0 4.37555