CARTO Torque + choropleth style

style.css

/** torque visualization */

Map {
-torque-frame-count:256;
-torque-animation-duration:30;
-torque-time-attribute:"date";
-torque-aggregation-function:"avg(total_damage/100000)";
-torque-resolution:2;
-torque-data-aggregation:linear;
}
#railroad_data[frame-offset=1] {
 marker-width:8;
 marker-fill-opacity:0.45; 
}
#railroad_data[frame-offset=2] {
 marker-width:10;
 marker-fill-opacity:0.225; 
}
#railroad_data [ value <= 181] {
   marker-fill: #B10026;
}
#railroad_data [ value <= 16.2959] {
   marker-fill: #E31A1C;
}
#railroad_data [ value <= 2.55648] {
   marker-fill: #FC4E2A;
}
#railroad_data [ value <= 1.4796] {
   marker-fill: #FD8D3C;
}
#railroad_data [ value <= 0.62302] {
   marker-fill: #FEB24C;
}
#railroad_data [ value <= 0.24804] {
   marker-fill: #FED976;
}
#railroad_data [ value <= 0.2454] {
   marker-fill: #FFFFB2;
}