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{"YEAR":1948,"DEPTH":0.04}
{"YEAR":1949,"DEPTH":3.3}
{"YEAR":1950,"DEPTH":4.23}
{"YEAR":1951,"DEPTH":5.13}
{"YEAR":1952,"DEPTH":2.16}
{"YEAR":1953,"DEPTH":2.49}
{"YEAR":1954,"DEPTH":2.26}
{"YEAR":1955,"DEPTH":2.75}
{"YEAR":1956,"DEPTH":2.16}
{"YEAR":1957,"DEPTH":3.37}
{"YEAR":1958,"DEPTH":1.96}
{"YEAR":1959,"DEPTH":3.15}
{"YEAR":1960,"DEPTH":7.1}
{"YEAR":1961,"DEPTH":2.67}
{"YEAR":1962,"DEPTH":2.79}
{"YEAR":1963,"DEPTH":4.33}
{"YEAR":1964,"DEPTH":3.54}
{"YEAR":1965,"DEPTH":6.71}
{"YEAR":1966,"DEPTH":4.94}
{"YEAR":1967,"DEPTH":2.39}
{"YEAR":1968,"DEPTH":4.95}
{"YEAR":1969,"DEPTH":3.38}
{"YEAR":1970,"DEPTH":1.46}
{"YEAR":1971,"DEPTH":4.79}
{"YEAR":1972,"DEPTH":2.14}
{"YEAR":1973,"DEPTH":1.78}
{"YEAR":1974,"DEPTH":3.91}
{"YEAR":1975,"DEPTH":2.53}
{"YEAR":1976,"DEPTH":1.69}
{"YEAR":1977,"DEPTH":2.64}
{"YEAR":1978,"DEPTH":4.05}
{"YEAR":1979,"DEPTH":2.97}
{"YEAR":1980,"DEPTH":2.2}
{"YEAR":1981,"DEPTH":5.56}
{"YEAR":1982,"DEPTH":3.76}
{"YEAR":1983,"DEPTH":4.66}
{"YEAR":1984,"DEPTH":3.02}
{"YEAR":1985,"DEPTH":7}
{"YEAR":1986,"DEPTH":4.03}
{"YEAR":1987,"DEPTH":3.15}
{"YEAR":1988,"DEPTH":3.97}
{"YEAR":1989,"DEPTH":2.95}
{"YEAR":1990,"DEPTH":2.04}
{"YEAR":1991,"DEPTH":5.35}
{"YEAR":1992,"DEPTH":3.04}
{"YEAR":1993,"DEPTH":3.66}
{"YEAR":1994,"DEPTH":3.23}