Year

Number of
Surge Events
Actual
Category
Forecast
Category
2020 -99 Avg-High >4 Avg-High >4
2019 20 Avg-High >4 Avg-High >4
2018 -99 Avg-High >4 Avg-High >4
2017 0 Avg-High >4 Avg-High >4
2016 12 Avg-High >4 Avg-High >4
2015 10 Avg-High >4 Avg-High >4
2014 9 Avg-High >4 Low 0-4
2013 9 Avg-High >4 Avg-High >4
2012 11 Low 0-4 Low 0-4
2011 10 Avg-High >4 Low 0-4
2010 17 Avg-High >4 Low 0-4
2009 16 Avg-High >4 Low 0-4
2008 10 Avg-High >4 Avg-High >4
2007 9 Avg-High >4 Avg-High >4
2006 10 Avg-High >4 Avg-High >4

Year

Number of
Surge Events
Actual
Category
Forecast
Category
2005 11 Avg-High >4 Avg-High >4
2004 10 Avg-High >4 Avg-High >4
2003 3 Low 0-4 Avg-High >4
2002 10 Avg-High >4 Avg-High >4
2001 2 Low 0-4 Low 0-4
2000 7 Avg-High >4 Avg-High >4
1999 7 Avg-High >4 Avg-High >4
1998 8 Avg-High >4 Low 0-4
1997 16 Avg-High >4 Avg-High >4
1996 11 Avg-High >4 Low 0-4
1995 13 Avg-High >4 Avg-High >4
1994 5 Avg-High >4 Avg-High >4
1993 8 Avg-High >4 Avg-High >4
1992 8 Avg-High >4 Avg-High >4
1991 7 Avg-High >4 Avg-High >4

Year

Number of
Surge Events
Actual
Category
Forecast
Category
1990 6 Avg-High >4 Avg-High >4
1989 2 Low 0-4 Low 0-4
1988 3 Low 0-4 Low 0-4
1987 6 Avg-High >4 Avg-High >4
1986 7 Avg-High >4 Avg-High >4
1985 3 Low 0-4 Low 0-4
1984 3 Low 0-4 Low 0-4
1983 13 Avg-High >4 Avg-High >4
1982 12 Avg-High >4 Avg-High >4
1981 3 Low 0-4 Low 0-4
1980 1 Low 0-4 Avg-High >4
1979 5 Avg-High >4 Avg-High >4
1978 7 Avg-High >4 Low 0-4
1977 10 Avg-High >4 Low 0-4
1976 3 Low 0-4 Low 0-4

Year

Number of
Surge Events
Actual
Category
Forecast
Category
1975 5 Avg-High >4 Avg-High >4
1974 5 Avg-High >4 Avg-High >4
1973 6 Avg-High >4 Avg-High >4
1972 13 Avg-High >4 Avg-High >4
1971 6 Avg-High >4 Low 0-4
1970 11 Avg-High >4 Low 0-4
1969 8 Avg-High >4 Low 0-4
1968 4 Low 0-4 Low 0-4
1967 6 Avg-High >4 Low 0-4
1966 8 Avg-High >4 Low 0-4
1965 5 Avg-High >4 Avg-High >4
1964 4 Low 0-4 Low 0-4
1963 10 Avg-High >4 Low 0-4
1962 2 Low 0-4 Avg-High >4
1961 5 Avg-High >4 Avg-High >4

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