Top jabber.ru (dotnet conf) flooders

TopFloodersOfJabberRu.cs

using System;
using System.Collections.Generic;
using System.Linq;
using HtmlAgilityPack;

namespace ConsoleApplication16
{
    class Program
    {
        static void Main(string[] args)
        {
            const int topLimit = 40;

            List<string> nicks = new List<string>(100000);
            for (int year = 2008; year <= 2015; year++)
            {
                for (int month = (year == 2008 ? 7 : 1); month <= 12; month++)
                {
                    for (int day = 1; day <= 31; day++) //Parallel.For ?
                    {
                        nicks.AddRange(GetFloodersForGivenDay(year, month, day));
                    }
                }
            }
            Console.Clear();
            var topFlooders = nicks.GroupBy(g => g).Select(i => new { Nick = i.Key, Msgs = i.Count() }).OrderByDescending(i => i.Msgs).Take(topLimit).ToArray();
            for (int place = 0; place < topFlooders.Length; place++)
            {
                var flooder = topFlooders[place];
                Console.WriteLine($"{place}. {flooder.Nick}  -  ({flooder.Msgs} messages)");
            }
            Console.ReadKey();
        }

        static IEnumerable<string> GetFloodersForGivenDay(int year, int month, int day)
        {
            try
            {
                HtmlDocument docHtml = new HtmlWeb().Load($"http://chatlogs.jabber.ru/[email protected]/{year}/{month.ToString("00")}/{day.ToString("00")}.html");
                return docHtml.DocumentNode.SelectNodes("//font[@class='mn']").Select(n => n.InnerText.Replace("&lt;", "").Replace("&gt;", "")).ToArray();
            }
            catch (Exception exc)
            {
                Console.WriteLine($"Fail for date: {day}.{month}.{year}");
                //404?
                return new string[0];
            }
        } 
    }
}