condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0540225 0.0 0.324135 10 h after light 0.0 0.0 0.0 14 h after light 0.04647483333333333 0.0 0.278849 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0