condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.021468933333333332 0.0 0.0644068 12 h after light 0.0 0.0 0.0 4 h after dark 0.03304715666666667 0.00256206 0.0885732 8 h after dark 0.019722466666666667 0.0 0.0591674 12 h after dark 0.051886999999999996 0.0 0.155661