condition mean min max 2 h after light 0.0853105 0.0 0.511863 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.25201816666666665 0.0 0.616284 2 h after dark 0.0 0.0 0.0