condition mean min max 4 h after light 0.3905455 0.160196 0.620895 8 h after light 0.223785 0.0 0.44757 12 h after light 0.0486378015 0.000641003 0.0966346 4 h after dark 0.7897216666666667 0.427123 1.02922 8 h after dark 0.336603044 1.32e-07 0.836612 12 h after dark 0.6209966666666666 0.0 1.86299