Plot.plot({
marks: [
Plot.lineY(lines.filter(d => !!d.kran_allee), {x: "date", y: "kran_allee", stroke: "#4e79a7"}),
Plot.lineY(lines.filter(d => !!d.kran_allee), Plot.windowY({x: "date", y: "kran_allee", curve: "natural", stroke: "red", k: 50, reduce: "mean"})),
Plot.lineY(lines.filter(d => !!d.hoet_self), {x: "date", y: "hoet_self", stroke: "#0002"}),
Plot.lineY(lines.filter(d => !!d.hallerstr), {x: "date", y: "hallerstr", stroke: "#0002"}),
]
})