condition mean min max 4 h after light 0.02514685 0.0184375 0.0318562 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.008609866666666667 0.0 0.0258296 12 h after dark 0.0 0.0 0.0