Plot.plot({
marks: [
Plot.line(sftemp.slice(-90, -10), {
x: "date",
y: "high",
stroke: "red",
marker: (color) => htl.svg`<marker
viewBox="-4 -4 8 8"
style="overflow: visible; fill-opacity: 0.2;"
><ellipse rx=20 ry=8 stroke="${color}" fill="${color}">`
}),
]
})