Wonder what 2012 will bring?
2000: 28,804 (ARRL Newsletter)
2001: 26,151 (ARRL Newsletter, hard rain)
2002: 24,832 (ARRL Newsletter)
2003: 22,168 (ARRL Newsletter, nearly constant rain on Saturday)
2004: 19,869 (ARRL Newsletter, rain)
2005: 20,411 (ARRL Newsletter)
2006: 20,324 (ARRL Newsletter)
2007: 19,318 (K4KL, ARRL Newsletter)
2008: 17,250 (ARRL Newsletter, Friday rain but sunny overall) (Hamvention Reflector 6-29-08)
2009: 18,877 (K4KL, ARRL Newsletter, rain late Saturday afternoon for short while)
2010: 19,750. (ARRL Newsletter, mostly sunny, pleasant weekend)
2011: 22,312 (Dayton Hamvention direct query – WA8APB) Sunny and warm all 3 days
Good (and warm) weather in the forecast might bring another year above 22k. Last year’s…umm…flood, might keep some people from returning. I’m going to put the actual number at about 21,000.