condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.058632666666666666 0.0 0.175898 6 h after dark 0.0 0.0 0.0 9 h after dark 0.14147466666666667 0.0 0.424424 12 h after dark 0.0 0.0 0.0