see: https://scienceofclimatechange.org/wp-content/uploads/Yndestad-2022-Lunar -Forced-CO2-Variability.pdf CO2 background estimation 1826 -2008 ©egb 1st October 2009 E.G. Beck 2006-2009 ====>>> data since 1960 NOAA 2009 <======== column 1 years max 383 1943 column 2 reconstructed CO2 MBL (marine boundary Layer) min 289,4 1922 years CO2 MBL rev.-sept-2009 1826.5 364.5 1827.5 359 1828.5 358 1829.5 339 1830.5 339.9 1831.5 340.8 1832.5 341.7 1833.5 342.6 1834.5 343.5 1835.5 344.4 1836.5 345.3 1837.5 346.2 1838.5 347.1 1839.5 348 1840.5 347 1841.5 341.5 1842.5 336 1843.5 325 1844.5 328.5 1845.5 332.1 1846.5 335.6 1847.5 339.3 1848.5 319.9 1849.5 330 1850.5 330 1851.5 323.6 1852.5 325.6 1853.5 328.3 1854.5 331.6 1855.5 333.5 1856.5 335.2 1857.5 337 1858.5 335.2 1859.5 333.5 1860.5 331.8 1861.5 330.1 1862.5 328.4 1863.5 326.7 1864.5 325 1865.5 310 1866.5 301.2 1867.5 300 1868.5 298 1869.5 290 1870.5 291 1871.5 300 1872.5 313.9 1873.5 311 1874.5 317.5 1875.5 324 1876.5 311 1877.5 298 1878.5 303.5 1879.5 309.9 1880.5 300 1881.5 309 1882.5 312 1883.5 312 1884.5 312 1885.5 303.5 1886.5 299 1887.5 302.8 1888.5 300 1889.5 300.8 1890.5 302.4 1891.5 308.1 1892.5 311.3 1893.5 310 1894.5 317 1895.5 305 1896.5 313.8 1897.5 312 1898.5 317.3 1899.5 313.6 1900.5 307.5 1901.5 311.5 1902.5 305.9 1903.5 306.5 1904.5 305.5 1905.5 307 1906.5 306 1907.5 307.1 1908.5 306.5 1909.5 303.3 1910.5 307.8 1911.5 308.2 1912.5 318.5 1913.5 329 1914.5 327.15 1915.5 325.3 1916.5 323.4 1917.5 321.6 1918.5 317 1919.5 320.2 1920.5 323.4 1921.5 305.8 1922.5 289.4 1923.5 305.1 1924.5 330 1925.5 321.3 1926.5 321.9 1927.5 327 1928.5 327 1929.5 328 1930.5 328 1931.5 329.25 1932.5 326.4 1933.5 328 1934.5 331 1935.5 357 1936.5 349.5 1937.5 354 1938.5 354 1939.5 382.4 1940.5 376.5 1941.5 376 1942.5 379.5 1943.5 383 1944.5 367.3 1945.5 352 1946.5 336 1947.5 338 1948.5 328.3 1949.5 316 1950.5 308.75 1951.5 314.5 1952.5 314.5 1953.5 318.9 1954.5 321.9 1955.5 318.8 1956.5 320.5 1957.5 320.2 1958.5 318.4 1959.5 317.8 1960.5 316.9 1961.5 317.64 1962.5 318.45 1963.5 318.99 1964.5 319.62 1965.5 320.04 1966.5 321.38 1967.5 322.16 1968.5 323.04 1969.5 324.62 1970.5 325.68 1971.5 326.32 1972.5 327.45 1973.5 329.68 1974.5 330.17 1975.5 331.08 1976.5 332.05 1977.5 333.78 1978.5 335.41 1979.5 336.78 1980.5 338.68 1981.5 340.11 1982.5 341.22 1983.5 342.84 1984.5 344.41 1985.5 345.87 1986.5 347.19 1987.5 348.98 1988.5 351.45 1989.5 352.9 1990.5 354.16 1991.5 355.48 1992.5 356.27 1993.5 356.95 1994.5 358.64 1995.5 360.62 1996.5 362.36 1997.5 363.47 1998.5 366.5 1999.5 368.14 2000.5 369.4 2001.5 371.07 2002.5 373.17 2003.5 375.78 2004.5 377.52 2005.5 379.76 2006.5 381.85 2007.5 383.71 2008.5 385.57