condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0197244 0.0 0.0591732 3 h after dark 0.036810633333333335 0.0 0.0607858 6 h after dark 0.017297633333333333 0.0 0.0518929 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0