var data = ``.split("\n");

var rawTimes = [];

for (var i in data) {
    var hour = data[i].split(":")[0];
  var minute = data[i].split(":")[1];

  rawTimes.push(parseFloat(hour) + (parseFloat(minute) / 60));
}

var min = Math.min.apply(null, rawTimes);
var max = Math.max.apply(null, rawTimes);
var med = ((max - min) / 2) + min;

console.log(rawTimes);
console.log("Min: " + min);
console.log("Max: " + max);
console.log("Med: " + med);