condition mean min max 0 h after light 1.0899655 0.545711 1.63422 4 h after light 0.805625 0.0 1.61125 8 h after light 0.0 0.0 0.0 4 h after dark 0.2685585 0.0 0.537117 8 h after dark 0.0 0.0 0.0 12 h after dark 1.354094 0.532158 2.17603