condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.021696666666666666 0.0 0.054886 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0149085 0.0 0.0447255