year city state country long lat 1930 Charlottesville VA USA -78.479 38.0299 1930 Cleveland OH USA -81.669722 41.482222 1932 Washington DC USA -77.036667 38.895111 1932 Atlantic City NJ USA -74.451082 39.377297 1934 New York City NY USA -73.938611 40.664167 1935 Philadelphia PA USA -75.17 39.95 1936 New Haven CT USA -72.923611 41.31 1937 Cambridge MA USA -71.110556 42.373611 1938 Pittsburgh PA USA -80 40.441667 1939 Philadelphia PA USA -75.17 39.95 1940 New York City NY USA -73.938611 40.664167 1941 Chicago IL USA -87.627778 41.881944 1942 Cambridge MA USA -71.110556 42.373611 1945 Philadelphia PA USA -75.17 39.95 1946 Cleveland OH USA -81.669722 41.482222 1946 Chicago IL USA -87.627778 41.881944 1948 Washington DC USA -77.036667 38.895111 1949 Philadelphia PA USA -75.17 39.95 1950 Boston MA USA -71.063611 42.358056 1951 Ann Arbor MI USA -83.748333 42.281389 1952 New York City NY USA -73.938611 40.664167 1952 Philadelphia PA USA -75.17 39.95 1954 Yellow Springs OH USA -83.892778 39.801667 1955 Philadelphia PA USA -75.17 39.95 1956 Chicago IL USA -87.627778 41.881944 1957 Ann Arbor MI USA -83.748333 42.281389 1958 Cambridge MA USA -71.110556 42.373611 1959 Madison WI USA -89.4 43.066667 1960 Washington DC USA -77.036667 38.895111 1961 Columbus OH USA -82.983333 39.983333 1962 Philadelphia PA USA -75.17 39.95 1963 Boulder CO USA -105.27966 40.017624 1964 Mexico City MX MEX -99.133333 19.433333 1965 University Park PA USA -77.862778 40.796111 1966 Berkeley CA USA -122.272778 37.871667 1967 Chapel Hill NC USA -79.033333 35.933333 1968 Detroit MI USA -83.045833 42.331389 1969 Mexico City MX MEX -99.133333 19.433333 1970 Washington DC USA -77.036667 38.895111 1971 Boston MA USA -71.063611 42.358056 1972 Lawrence KS USA -95.235278 38.971667 1973 Dallas TX USA -96.803889 32.782778 1974 Amherst MA USA -72.516667 42.366667 1975 Denver CO USA -104.984722 39.739167 1976 St. Louis MO USA -90.197778 38.627222 1977 Seattle WA USA -122.333056 47.609722 1978 Toronto ON CAN -79.4 43.7 1979 San Francisco CA USA -122.416667 37.783333 1980 Niagara Falls NY USA -79.017222 43.094167 1981 Detroit MI USA -83.045833 42.331389 1982 Eugene OR USA -123.086667 44.051944 1983 Indianapolis IN USA -86.148 39.791 1984 Philadelphia PA USA -75.17 39.95 1985 Knoxville TN USA -83.942222 35.972778 1986 Albuquerque NM USA -106.609991 35.110703 1987 New York City NY USA -73.938611 40.664167 1988 Kansas City MO USA -94.57855 39.099725 1989 San Diego CA USA -117.1625 32.715 1990 Miami FL USA -80.224145 25.787676 1991 Milwaukee WI USA -87.95 43.05 1992 Las Vegas NV USA -115.136389 36.175 1993 Toronto ON CAN -79.4 43.7 1994 Denver CO USA -104.984722 39.739167 1995 Oakland CA USA -122.270833 37.804444 1996 Research Triangle Park NC USA -78.862778 35.908056 1997 St. Louis MO USA -90.197778 38.627222 1998 Salt Lake City UT USA -111.883333 40.75 1999 Columbus OH USA -82.983333 39.983333 2000 San Antonio TX USA -98.5 29.416667 2001 Kansas City MO USA -94.57855 39.099725 2002 Buffalo NY USA -78.849444 42.904722 2003 Tempe AZ USA -111.943056 33.429444 2004 Tampa FL USA -82.465 27.971 2005 Milwaukee WI USA -87.95 43.05 2006 Anchorage AK USA -149.8925 61.218056 2007 Philadelphia PA USA -75.17 39.95 2008 Columbus OH USA -82.983333 39.983333 2009 Chicago IL USA -87.627778 41.881944 2010 Albuquerque NM USA -106.609991 35.110703 2011 Minneapolis MN USA -93.266667 44.983333 2012 Portland OR USA -122.681944 45.52 2013 Knoxville TN USA -83.942222 35.972778 2014 Calgary AB CAN -114.066667 51.05 2015 St. Louis MO USA -90.197778 38.627222