condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.12929266666666667 0.0 0.387878 12 h after light 0.3419493333333333 0.0 0.689154 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