condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.960537 0.0 2.45041 10 h after light 0.09892583333333334 0.0 0.429828 14 h after light 0.060595333333333334 0.0 0.193998 18 h after light 0.1788195 0.0 0.696407 2 h after dark 0.07990866666666667 0.0 0.273321