condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.02747585 0.0 0.0549517 8 h after light 0.0 0.0 0.0 4 h after dark 0.0265882 0.0 0.0531764 8 h after dark 0.02655765 0.0 0.0531153 12 h after dark 0.02692925 0.0 0.0538585