Weather update client in C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;

using ZeroMQ;

namespace Examples
{
static partial class Program
{
public static void WUClient(string[] args)
{
//
// Weather update client
// Connects SUB socket to tcp://127.0.0.1:5556
// Collects weather updates and finds avg temp in zipcode
//
// Author: metadings
//

if (args == null || args.Length < 2)
{
Console.WriteLine();
Console.WriteLine("Usage: ./{0} WUClient [ZipCode] [Endpoint]", AppDomain.CurrentDomain.FriendlyName);
Console.WriteLine();
Console.WriteLine(" ZipCode The zip code to subscribe. Default is 72622 Nürtingen");
Console.WriteLine(" Endpoint Where WUClient should connect to.");
Console.WriteLine(" Default is tcp://127.0.0.1:5556");
Console.WriteLine();
if (args.Length < 1)
args = new string[] { "72622", "tcp://127.0.0.1:5556" };
else
args = new string[] { args[0], "tcp://127.0.0.1:5556" };
}

string endpoint = args[1];

// Socket to talk to server
using (var context = new ZContext())
using (var subscriber = new ZSocket(context, ZSocketType.SUB))
{
string connect_to = args[1];
Console.WriteLine("I: Connecting to {0}…", connect_to);
subscriber.Connect(connect_to);

/* foreach (IPAddress address in WUProxy_GetPublicIPs())
{
var epgmAddress = string.Format("epgm://{0};239.192.1.1:8100", address);
Console.WriteLine("I: Connecting to {0}…", epgmAddress);
subscriber.Connect(epgmAddress);
}
} */

// Subscribe to zipcode
string zipCode = args[0];
Console.WriteLine("I: Subscribing to zip code {0}…", zipCode);
subscriber.Subscribe(zipCode);

// Process 10 updates
int i = 0;
long total_temperature = 0;
for (; i < 20; ++i)
{
using (var replyFrame = subscriber.ReceiveFrame())
{
string reply = replyFrame.ReadString();

Console.WriteLine(reply);
total_temperature += Convert.ToInt64(reply.Split(' ')[1]);
}
}
Console.WriteLine("Average temperature for zipcode '{0}' was {1}°", zipCode, (total_temperature / i));
}
}
}
}