condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0223404 0.0 0.0670212 9 h after light 0.0 0.0 0.0 12 h after light 0.08502433333333334 0.0726257 0.101692 3 h after dark 0.0 0.0 0.0 6 h after dark 0.049329333333333336 0.0 0.147988 9 h after dark 0.06476933333333333 0.0 0.194308 12 h after dark 0.0 0.0 0.0