condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.04842055 0.0 0.0968411 8 h after light 0.0 0.0 0.0 4 h after dark 0.0935281 0.0933437 0.0937125 8 h after dark 0.09399925 0.0936048 0.0943937 12 h after dark 0.04745735 0.0 0.0949147