Simple stream

<!DOCTYPE html>
<body>
<script src='https://d3js.org/d3.v3.js'></script>
<script src='https://d3js.org/colorbrewer.v1.js'></script>
<script>
    var format = d3.time.format('%m/%d/%y')
    var width = 600
    var height = 400
    var x = d3.time.scale().range([0, width])
    var y = d3.scale.linear().range([height - 10, 0])
    var color = d3.scale.ordinal().range(colorbrewer['Blues'][6])
    
    var area = d3.svg.area()
        .x(function(d) { return x(d.date) })
        .y0(function(d) { return y(d.y0) })
        .y1(function(d) { return y(d.y0 + d.y) })
    
    var svg = d3.select('body')
        .append('svg')
        .attr('width', width)
        .attr('height', height)
    
    function prepareData(data) {
        var nest = d3.nest().key(function(d) { return d.key })
    
        var stack = d3.layout.stack()
            .values(function(d) { return d.values })
            .x(function(d) { return d.date })
            .y(function(d) { return d.value })
    
        return stack(nest.entries(data))
    }
    
    d3.csv('https://nemetz.devg.ru/d3/stream.csv', function (d) {
        d.date = format.parse(d.date)
        d.value = Number(d.value)
        return d
    }, function (data) {
        var layers = prepareData(data)
    
        x.domain(d3.extent(data, function (d) { return d.date }))
        y.domain([0, d3.max(data, function (d) { return d.y0 + d.y })])
    
        svg.selectAll('.layer')
            .data(layers)
            .enter().append('path')
            .attr('class', 'layer')
            .attr('d', function (d) { return area(d.values) })
            .style('fill', function (d, i) { return color(i) })
    })
</script>
</body>
</html>

Modified http://d3js.org/d3.v3.js to a secure url

Modified http://d3js.org/colorbrewer.v1.js to a secure url

https://d3js.org/d3.v3.js

https://d3js.org/colorbrewer.v1.js