condition mean min max 4 h after light 0.617484 0.571856 0.663112 8 h after light 0.656414 0.226568 1.08626 12 h after light 0.2346465 0.0 0.469293 4 h after dark 1.3244609999999999 0.938993 1.91632 8 h after dark 1.141737 0.884324 1.5474 12 h after dark 1.8325193333333334 0.926058 2.2972