condition mean min max 4 h after light 0.2598845 0.0 0.519769 8 h after light 0.698415 0.0 1.39683 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.01646953333333333 0.0 0.0494086 12 h after dark 1.6495356666666667 0.0 4.65676