The data you requested are contained in these files:

    vgwd.1836.nc
    vgwd.1837.nc
    vgwd.1838.nc
    vgwd.1839.nc
    vgwd.1840.nc
    vgwd.1841.nc
    vgwd.1842.nc
    vgwd.1843.nc
    vgwd.1844.nc
    vgwd.1845.nc
    vgwd.1846.nc
    vgwd.1847.nc
    vgwd.1848.nc
    vgwd.1849.nc
    vgwd.1850.nc
    vgwd.1851.nc
    vgwd.1852.nc
    vgwd.1853.nc
    vgwd.1854.nc
    vgwd.1855.nc
    vgwd.1856.nc
    vgwd.1857.nc
    vgwd.1858.nc
    vgwd.1859.nc
    vgwd.1860.nc
    vgwd.1861.nc
    vgwd.1862.nc
    vgwd.1863.nc
    vgwd.1864.nc
    vgwd.1865.nc
    vgwd.1866.nc
    vgwd.1867.nc
    vgwd.1868.nc
    vgwd.1869.nc
    vgwd.1870.nc
    vgwd.1871.nc
    vgwd.1872.nc
    vgwd.1873.nc
    vgwd.1874.nc
    vgwd.1875.nc
    vgwd.1876.nc
    vgwd.1877.nc
    vgwd.1878.nc
    vgwd.1879.nc
    vgwd.1880.nc
    vgwd.1881.nc
    vgwd.1882.nc
    vgwd.1883.nc
    vgwd.1884.nc
    vgwd.1885.nc
    vgwd.1886.nc
    vgwd.1887.nc
    vgwd.1888.nc
    vgwd.1889.nc
    vgwd.1890.nc
    vgwd.1891.nc
    vgwd.1892.nc
    vgwd.1893.nc
    vgwd.1894.nc
    vgwd.1895.nc
    vgwd.1896.nc
    vgwd.1897.nc
    vgwd.1898.nc
    vgwd.1899.nc
    vgwd.1900.nc
    vgwd.1901.nc
    vgwd.1902.nc
    vgwd.1903.nc
    vgwd.1904.nc
    vgwd.1905.nc
    vgwd.1906.nc
    vgwd.1907.nc
    vgwd.1908.nc
    vgwd.1909.nc
    vgwd.1910.nc
    vgwd.1911.nc
    vgwd.1912.nc
    vgwd.1913.nc
    vgwd.1914.nc
    vgwd.1915.nc
    vgwd.1916.nc
    vgwd.1917.nc
    vgwd.1918.nc
    vgwd.1919.nc
    vgwd.1920.nc
    vgwd.1921.nc
    vgwd.1922.nc
    vgwd.1923.nc
    vgwd.1924.nc
    vgwd.1925.nc
    vgwd.1926.nc
    vgwd.1927.nc
    vgwd.1928.nc
    vgwd.1929.nc
    vgwd.1930.nc
    vgwd.1931.nc
    vgwd.1932.nc
    vgwd.1933.nc
    vgwd.1934.nc
    vgwd.1935.nc
    vgwd.1936.nc
    vgwd.1937.nc
    vgwd.1938.nc
    vgwd.1939.nc
    vgwd.1940.nc
    vgwd.1941.nc
    vgwd.1942.nc
    vgwd.1943.nc
    vgwd.1944.nc
    vgwd.1945.nc
    vgwd.1946.nc
    vgwd.1947.nc
    vgwd.1948.nc
    vgwd.1949.nc
    vgwd.1950.nc
    vgwd.1951.nc
    vgwd.1952.nc
    vgwd.1953.nc
    vgwd.1954.nc
    vgwd.1955.nc
    vgwd.1956.nc
    vgwd.1957.nc
    vgwd.1958.nc
    vgwd.1959.nc
    vgwd.1960.nc
    vgwd.1961.nc
    vgwd.1962.nc
    vgwd.1963.nc
    vgwd.1964.nc
    vgwd.1965.nc
    vgwd.1966.nc
    vgwd.1967.nc
    vgwd.1968.nc
    vgwd.1969.nc
    vgwd.1970.nc
    vgwd.1971.nc
    vgwd.1972.nc
    vgwd.1973.nc
    vgwd.1974.nc
    vgwd.1975.nc
    vgwd.1976.nc
    vgwd.1977.nc
    vgwd.1978.nc
    vgwd.1979.nc
    vgwd.1980.nc