condition mean min max 3 h after light 0.020983266666666667 0.0 0.0629498 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.020529625 0.0 0.0821185 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0169132 0.0 0.0507396 9 h after dark 0.0 0.0 0.0 12 h after dark 0.06448235 0.0504306 0.0785341