In the tools directory, look for the awstats.example.com.conf (where “example.com” is your domain name) file and specify your IP address under SkipHosts to not count your own visits to your web site.

SkipHosts=”123.123.123.123″

If you don’t know your IP address, visit the following site:
http://whatismyip.com/

Visit the AWStats documentation for more information and options on excluding yourself (and/or others) as a visitor from your web stats. The awstats.example.com.conf file also contains more examples.