condition mean min max 0 h after light 3.7524299999999995 3.4778 4.02706 4 h after light 0.7268055 0.495223 0.958388 8 h after light 0.4868025 0.424066 0.549539 4 h after dark 2.93653 2.19074 3.68232 8 h after dark 2.26352 1.655 2.87204 12 h after dark 2.4019399999999997 2.23834 2.56554