JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://d3js.org/d3.v4.min.js"></script>
<svg width="960" height="500" id="chart"></svg>

CSS

.line {
  fill: none;
  stroke: steelblue;
  stroke-width: 2px;
}

.axis path,
.axis line {
  fill: none;
  shape-rendering: crispEdges;
}

.line {}

.area {
  fill: steelblue;
  opacity: 0.5;
}

.dot {
  fill: steelblue;
  stroke: steelblue;
  stroke-width: 1.5px;
}

JavaScript

// set the dimensions and margins of the graph
var margin = {
    top: 20,
    right: 20,
    bottom: 50,
    left: 50
  },
  width = 960 - margin.left - margin.right,
  height = 500 - margin.top - margin.bottom;

// parse the date / time
var parseMonth = d3.timeParse("%B");

// set the ranges
var x = d3.scaleTime().range([0, width]);
var y = d3.scaleLinear().range([height, 0]);

// define the line
var valueline = d3.line().x(function(d) {
    return x(d.month);
  })
  .y(function(d) {
    return y(d.average);
  });

// append the svg obgect to the body of the page
// appends a 'group' element to 'svg'
// moves the 'group' element to the top left margin
var svg = d3.select("#chart")
  .attr("width", width + margin.left + margin.right)
  .attr("height", height + margin.top + margin.bottom)
  .append("g")
  .attr("transform",
    "translate(" + margin.left + "," + margin.top + ")");

// Get the data
var data = [{
  "month": "january",
  "average": 0
}, {
  "month": "february",
  "average": 0
}, {
  "month": "march",
  "average": 0
}, {
  "month": "april",
  "average": 9.0
}, {
  "month": "may",
  "average": 892.0
}, {
  "month": "june",
  "average": 10.0
}, {
  "month": "july",
  "average": 92.0
}, {
  "month": "august",
  "average": 9281.0
}, {
  "month": "september",
  "average": 8402.0
}, {
  "month": "october",
  "average": 823213.0
}, {
  "month": "november",
  "average": 82.0
}, {
  "month": "december",
  "average": 0
}];

// format the data
data.forEach(function(d) {
  d.month = parseMonth(d.month);
});

x.domain(d3.extent(data, function(d) {
  return d.month;
}));
y.domain([0, d3.max(data, function(d) {
  return d.average;
})]);


// Add the valueline path.
svg.append("path")
  .data([data])
  .attr("class", "line")
  .attr("d", valueline);

// Add the X Axis
svg.append("g")
  .attr("class", "e4rAxis")
  .attr("transform", "translate(0," + height + ")")
  .call(d3.axisBottom(x))
  .selectAll("text")
  .style("text-anchor", "end")
  .attr("dx", "-.8em")
 ...