condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.978255 0.0 5.86953 10 h after light 1.8082666666666667 0.0 10.8496 14 h after light 3.8083833333333335 0.0 11.441 18 h after light 2.559015 0.0 9.3972 2 h after dark 0.0 0.0 0.0