condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.013818666666666667 0.0 0.041456 9 h after light 0.0 0.0 0.0 12 h after light 0.010483566666666666 0.0 0.0314507 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0