condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.22712483333333336 0.0 0.70359 18 h after light 0.066083 0.0 0.396498 2 h after dark 0.12156083333333334 0.0 0.729365