condition mean min max 2 h after light 0.028962 0.0 0.173772 6 h after light 0.0 0.0 0.0 10 h after light 0.08849783333333333 0.0 0.530987 14 h after light 0.063926 0.0 0.383556 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0