Sample Interval is 01/01 12/31
 Acceptable missing, in percent =  10.0
 Year          Avg
 1965.00   -99.00000
 1966.00   -99.00000
 1967.00   -99.00000
 1968.00    86.95901
 1969.00    87.04110
 1970.00    86.59452
 1971.00    85.70959
 1972.00    87.35793
 1973.00    87.03014
 1974.00    87.47123
 1975.00    86.47945
 1976.00    87.13699
 1977.00    88.16438
 1978.00    86.82740
 1979.00    87.23014
 1980.00    87.97814
 1981.00    89.46027
 1982.00    84.92055
 1983.00    85.36438
 1984.00    87.03825
 1985.00    86.88767
 1986.00    88.32603
 1987.00    88.40110
 1988.00    90.08197
 1989.00    91.59452
 1990.00    90.78630
 1991.00    89.50137
 1992.00    87.46995
 1993.00    85.47945
 1994.00    86.07671
 1995.00    87.80274
 1996.00    88.98630