condition mean min max 3 h after light 0.079564 0.0 0.238692 6 h after light 0.0 0.0 0.0 9 h after light 0.17747466666666667 0.0 0.321826 12 h after light 0.088166 0.0 0.182558 3 h after dark 0.03342733333333333 0.0 0.100282 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0