判別できる達人は居るのだろうか

http://malony.dyndns.org/futurelog/getlog.cgi?m=g&k=%C0%C5%CE&andor=and&date=00%3A00%3A00-23%3A59%3A59&target=all&gzip=checked&filter=&l=20030918.dat&l=