Sample Interval is 01/01 12/31
 Acceptable missing, in percent =  10.0
 Year          Avg
 1909.00    85.98630
 1910.00   -99.00000
 1911.00   -99.00000
 1912.00   -99.00000
 1913.00    84.75690
 1914.00   -99.00000
 1915.00   -99.00000
 1916.00   -99.00000
 1917.00   -99.00000
 1918.00   -99.00000
 1919.00   -99.00000
 1920.00   -99.00000
 1921.00   -99.00000
 1922.00   -99.00000
 1923.00   -99.00000
 1924.00   -99.00000
 1925.00   -99.00000
 1926.00   -99.00000
 1927.00   -99.00000
 1928.00    88.14749
 1929.00    88.85310
 1930.00   -99.00000
 1931.00    90.50716
 1932.00    88.00549
 1933.00   -99.00000
 1934.00    93.94627
 1935.00    88.95605
 1936.00    90.54819
 1937.00    89.93094
 1938.00    87.68493
 1939.00    89.07671
 1940.00    88.61475
 1941.00    86.57808
 1942.00   -99.00000
 1943.00    90.85206
 1944.00    86.79508
 1945.00    89.44383
 1946.00    90.27123
 1947.00    90.99438
 1948.00    89.25137
 1949.00    89.19726
 1950.00    91.43407
 1951.00    88.90385
 1952.00    89.61749
 1953.00    90.05753
 1954.00    90.77534
 1955.00    88.18630
 1956.00    90.14246
 1957.00    88.73351
 1958.00    89.30769
 1959.00    88.94794
 1960.00    88.48634
 1961.00    87.62466
 1962.00    88.49589
 1963.00    87.69315
 1964.00    86.16666
 1965.00    86.63562
 1966.00    88.05206
 1967.00    86.60274
 1968.00    87.22951
 1969.00    87.30411
 1970.00    87.27945
 1971.00    86.05206
 1972.00    87.15301
 1973.00    86.88219
 1974.00    87.67671
 1975.00    86.46575
 1976.00    86.64481
 1977.00    88.06027
 1978.00    87.85754
 1979.00    87.74246
 1980.00    88.80601
 1981.00    90.41644
 1982.00    87.24657
 1983.00    88.33150
 1984.00    87.85970
 1985.00    88.94247
 1986.00    89.72329
 1987.00    87.98356
 1988.00    89.17487
 1989.00    90.27671
 1990.00    88.59726
 1991.00    87.06301
 1992.00    86.99181
 1993.00    87.44658
 1994.00    88.73151
 1995.00    89.29863
 1996.00    90.47268