how to delete bad CWOP data

Is there a way to delete bad CWOP data?

http://www.findu.com/cgi-bin/wxpage.cgi?DW5318

That is my page, as you can see the barometer took a spike that I caused by messing with my station. Is it possible to delete that spike out of there? If you know how can you please let me know how! Thanks!

I don’t think you can