condition mean min max 2 h after light 0.025760166666666667 0.0 0.154561 6 h after light 0.0431985 0.0 0.134398 10 h after light 0.0 0.0 0.0 14 h after light 0.01421475 0.0 0.0852885 18 h after light 0.012469099999999999 0.0 0.0748146 2 h after dark 0.0 0.0 0.0