condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.029372766666666664 0.0 0.0881183 12 h after light 0.03861033333333334 0.0 0.115831 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0