\begin{tabular}
Time&co2\\
months since 1960-01-01&ppmv\\
Jan 1958&\\
Feb 1958&\\
Mar 1958&315.55\\
Apr 1958&317.29\\
May 1958&317.34\\
Jun 1958&\\
Jul 1958&315.69\\
Aug 1958&314.78\\
Sep 1958&313.03\\
Oct 1958&\\
Nov 1958&313.18\\
Dec 1958&314.5\\
Jan 1959&315.42\\
Feb 1959&316.32\\
Mar 1959&316.49\\
Apr 1959&317.56\\
May 1959&318.13\\
Jun 1959&318.0\\
Jul 1959&316.39\\
Aug 1959&314.66\\
Sep 1959&313.68\\
Oct 1959&313.18\\
Nov 1959&314.66\\
Dec 1959&315.43\\
Jan 1960&316.27\\
Feb 1960&316.81\\
Mar 1960&317.42\\
Apr 1960&318.87\\
May 1960&319.87\\
Jun 1960&319.43\\
Jul 1960&318.01\\
Aug 1960&315.75\\
Sep 1960&314.0\\
Oct 1960&313.68\\
Nov 1960&314.84\\
Dec 1960&316.03\\
Jan 1961&316.73\\
Feb 1961&317.54\\
Mar 1961&318.38\\
Apr 1961&319.31\\
May 1961&320.42\\
Jun 1961&319.61\\
Jul 1961&318.42\\
Aug 1961&316.64\\
Sep 1961&314.83\\
Oct 1961&315.15\\
Nov 1961&315.95\\
Dec 1961&316.85\\
Jan 1962&317.78\\
Feb 1962&318.4\\
Mar 1962&319.53\\
Apr 1962&320.41\\
May 1962&320.85\\
Jun 1962&320.45\\
Jul 1962&319.44\\
Aug 1962&317.25\\
Sep 1962&316.12\\
Oct 1962&315.27\\
Nov 1962&316.53\\
Dec 1962&317.53\\
Jan 1963&318.58\\
Feb 1963&318.92\\
Mar 1963&319.7\\
Apr 1963&321.22\\
May 1963&322.08\\
Jun 1963&321.31\\
Jul 1963&319.58\\
Aug 1963&317.61\\
Sep 1963&316.05\\
Oct 1963&315.83\\
Nov 1963&316.91\\
Dec 1963&318.2\\
Jan 1964&319.41\\
Feb 1964&\\
Mar 1964&\\
Apr 1964&\\
May 1964&322.06\\
Jun 1964&321.73\\
Jul 1964&320.27\\
Aug 1964&318.54\\
Sep 1964&316.54\\
Oct 1964&316.71\\
Nov 1964&317.53\\
Dec 1964&318.55\\
Jan 1965&319.27\\
Feb 1965&320.28\\
Mar 1965&320.73\\
Apr 1965&321.97\\
May 1965&322.0\\
Jun 1965&321.71\\
Jul 1965&321.05\\
Aug 1965&318.71\\
Sep 1965&317.65\\
Oct 1965&317.14\\
Nov 1965&318.71\\
Dec 1965&319.25\\
Jan 1966&320.46\\
Feb 1966&321.43\\
Mar 1966&322.22\\
Apr 1966&323.54\\
May 1966&323.91\\
Jun 1966&323.59\\
Jul 1966&322.26\\
Aug 1966&320.21\\
Sep 1966&318.48\\
Oct 1966&317.94\\
Nov 1966&319.63\\
Dec 1966&320.87\\
Jan 1967&322.17\\
Feb 1967&322.34\\
Mar 1967&322.88\\
Apr 1967&324.25\\
May 1967&324.83\\
Jun 1967&323.93\\
Jul 1967&322.39\\
Aug 1967&320.76\\
Sep 1967&319.1\\
Oct 1967&319.23\\
Nov 1967&320.56\\
Dec 1967&321.8\\
Jan 1968&322.4\\
Feb 1968&322.99\\
Mar 1968&323.73\\
Apr 1968&324.86\\
May 1968&325.41\\
Jun 1968&325.19\\
Jul 1968&323.97\\
Aug 1968&321.92\\
Sep 1968&320.1\\
Oct 1968&319.96\\
Nov 1968&320.97\\
Dec 1968&322.48\\
Jan 1969&323.52\\
Feb 1969&323.89\\
Mar 1969&325.04\\
Apr 1969&326.01\\
May 1969&326.67\\
Jun 1969&325.96\\
Jul 1969&325.13\\
Aug 1969&322.9\\
Sep 1969&321.61\\
Oct 1969&321.01\\
Nov 1969&322.08\\
Dec 1969&323.37\\
Jan 1970&324.34\\
Feb 1970&325.3\\
Mar 1970&326.29\\
Apr 1970&327.54\\
May 1970&327.54\\
Jun 1970&327.21\\
Jul 1970&325.98\\
Aug 1970&324.42\\
Sep 1970&322.91\\
Oct 1970&322.9\\
Nov 1970&323.85\\
Dec 1970&324.96\\
Jan 1971&326.01\\
Feb 1971&326.51\\
Mar 1971&327.01\\
Apr 1971&327.62\\
May 1971&328.76\\
Jun 1971&328.4\\
Jul 1971&327.2\\
Aug 1971&325.28\\
Sep 1971&323.2\\
Oct 1971&323.4\\
Nov 1971&324.64\\
Dec 1971&325.85\\
Jan 1972&326.6\\
Feb 1972&327.47\\
Mar 1972&327.58\\
Apr 1972&329.56\\
May 1972&329.9\\
Jun 1972&328.92\\
Jul 1972&327.89\\
Aug 1972&326.17\\
Sep 1972&324.68\\
Oct 1972&325.04\\
Nov 1972&326.34\\
Dec 1972&327.39\\
Jan 1973&328.37\\
Feb 1973&329.4\\
Mar 1973&330.14\\
Apr 1973&331.33\\
May 1973&332.31\\
Jun 1973&331.9\\
Jul 1973&330.7\\
Aug 1973&329.15\\
Sep 1973&327.34\\
Oct 1973&327.02\\
Nov 1973&327.99\\
Dec 1973&328.48\\
Jan 1974&329.18\\
Feb 1974&330.55\\
Mar 1974&331.32\\
Apr 1974&332.48\\
May 1974&332.92\\
Jun 1974&332.08\\
Jul 1974&331.02\\
Aug 1974&329.24\\
Sep 1974&327.28\\
Oct 1974&327.21\\
Nov 1974&328.29\\
Dec 1974&329.41\\
Jan 1975&330.23\\
Feb 1975&331.24\\
Mar 1975&331.87\\
Apr 1975&333.14\\
May 1975&333.8\\
Jun 1975&333.42\\
Jul 1975&331.73\\
Aug 1975&329.9\\
Sep 1975&328.4\\
Oct 1975&328.17\\
Nov 1975&329.32\\
Dec 1975&330.59\\
Jan 1976&331.58\\
Feb 1976&332.39\\
Mar 1976&333.33\\
Apr 1976&334.41\\
May 1976&334.71\\
Jun 1976&334.17\\
Jul 1976&332.88\\
Aug 1976&330.77\\
Sep 1976&329.14\\
Oct 1976&328.77\\
Nov 1976&330.14\\
Dec 1976&331.52\\
Jan 1977&332.75\\
Feb 1977&333.25\\
Mar 1977&334.53\\
Apr 1977&335.9\\
May 1977&336.57\\
Jun 1977&336.1\\
Jul 1977&334.76\\
Aug 1977&332.59\\
Sep 1977&331.41\\
Oct 1977&330.98\\
Nov 1977&332.24\\
Dec 1977&333.68\\
Jan 1978&334.8\\
Feb 1978&335.22\\
Mar 1978&336.47\\
Apr 1978&337.59\\
May 1978&337.84\\
Jun 1978&337.72\\
Jul 1978&336.37\\
Aug 1978&334.51\\
Sep 1978&332.6\\
Oct 1978&332.37\\
Nov 1978&333.75\\
Dec 1978&334.79\\
Jan 1979&336.05\\
Feb 1979&336.59\\
Mar 1979&337.79\\
Apr 1979&338.71\\
May 1979&339.3\\
Jun 1979&339.12\\
Jul 1979&337.56\\
Aug 1979&335.92\\
Sep 1979&333.74\\
Oct 1979&333.7\\
Nov 1979&335.13\\
Dec 1979&336.56\\
Jan 1980&337.84\\
Feb 1980&338.19\\
Mar 1980&339.9\\
Apr 1980&340.6\\
May 1980&341.29\\
Jun 1980&341.0\\
Jul 1980&339.39\\
Aug 1980&337.43\\
Sep 1980&335.72\\
Oct 1980&335.84\\
Nov 1980&336.93\\
Dec 1980&338.04\\
Jan 1981&339.06\\
Feb 1981&340.3\\
Mar 1981&341.21\\
Apr 1981&342.33\\
May 1981&342.74\\
Jun 1981&342.07\\
Jul 1981&340.32\\
Aug 1981&338.27\\
Sep 1981&336.52\\
Oct 1981&336.68\\
Nov 1981&338.19\\
Dec 1981&339.44\\
Jan 1982&340.57\\
Feb 1982&341.44\\
Mar 1982&342.53\\
Apr 1982&343.39\\
May 1982&343.96\\
Jun 1982&343.18\\
Jul 1982&341.88\\
Aug 1982&339.65\\
Sep 1982&337.8\\
Oct 1982&337.69\\
Nov 1982&339.09\\
Dec 1982&340.32\\
Jan 1983&341.2\\
Feb 1983&342.35\\
Mar 1983&342.93\\
Apr 1983&344.77\\
May 1983&345.58\\
Jun 1983&345.14\\
Jul 1983&343.81\\
Aug 1983&342.22\\
Sep 1983&339.69\\
Oct 1983&339.82\\
Nov 1983&340.98\\
Dec 1983&342.82\\
Jan 1984&343.52\\
Feb 1984&344.33\\
Mar 1984&345.11\\
Apr 1984&346.88\\
May 1984&347.25\\
Jun 1984&346.61\\
Jul 1984&345.22\\
Aug 1984&343.11\\
Sep 1984&340.9\\
Oct 1984&341.17\\
Nov 1984&342.8\\
Dec 1984&344.04\\
Jan 1985&344.79\\
Feb 1985&345.82\\
Mar 1985&347.25\\
Apr 1985&348.17\\
May 1985&348.75\\
Jun 1985&348.07\\
Jul 1985&346.38\\
Aug 1985&344.52\\
Sep 1985&342.92\\
Oct 1985&342.63\\
Nov 1985&344.06\\
Dec 1985&345.38\\
Jan 1986&346.11\\
Feb 1986&346.79\\
Mar 1986&347.68\\
Apr 1986&349.37\\
May 1986&350.03\\
Jun 1986&349.37\\
Jul 1986&347.77\\
Aug 1986&345.74\\
Sep 1986&344.68\\
Oct 1986&343.99\\
Nov 1986&345.48\\
Dec 1986&346.73\\
Jan 1987&347.84\\
Feb 1987&348.3\\
Mar 1987&349.24\\
Apr 1987&350.81\\
May 1987&351.67\\
Jun 1987&351.08\\
Jul 1987&349.34\\
Aug 1987&347.93\\
Sep 1987&346.28\\
Oct 1987&346.19\\
Nov 1987&347.64\\
Dec 1987&348.79\\
Jan 1988&350.25\\
Feb 1988&351.54\\
Mar 1988&352.04\\
Apr 1988&353.41\\
May 1988&354.03\\
Jun 1988&353.62\\
Jul 1988&352.2\\
Aug 1988&350.25\\
Sep 1988&348.53\\
Oct 1988&348.69\\
Nov 1988&349.87\\
Dec 1988&351.15\\
Jan 1989&352.56\\
Feb 1989&352.87\\
Mar 1989&353.48\\
Apr 1989&355.21\\
May 1989&355.47\\
Jun 1989&354.92\\
Jul 1989&353.7\\
Aug 1989&351.47\\
Sep 1989&349.59\\
Oct 1989&349.78\\
Nov 1989&351.09\\
Dec 1989&352.33\\
Jan 1990&353.45\\
Feb 1990&354.5\\
Mar 1990&355.18\\
Apr 1990&355.99\\
May 1990&356.95\\
Jun 1990&356.03\\
Jul 1990&354.62\\
Aug 1990&352.72\\
Sep 1990&350.77\\
Oct 1990&351.0\\
Nov 1990&352.66\\
Dec 1990&354.04\\
Jan 1991&354.55\\
Feb 1991&355.59\\
Mar 1991&357.0\\
Apr 1991&358.44\\
May 1991&359.19\\
Jun 1991&358.09\\
Jul 1991&356.03\\
Aug 1991&353.89\\
Sep 1991&352.02\\
Oct 1991&352.08\\
Nov 1991&353.62\\
Dec 1991&354.87\\
Jan 1992&355.86\\
Feb 1992&356.61\\
Mar 1992&357.7\\
Apr 1992&359.05\\
May 1992&359.57\\
Jun 1992&359.16\\
Jul 1992&356.93\\
Aug 1992&354.92\\
Sep 1992&352.93\\
Oct 1992&353.23\\
Nov 1992&354.09\\
Dec 1992&355.34\\
Jan 1993&356.64\\
Feb 1993&357.11\\
Mar 1993&358.32\\
Apr 1993&359.41\\
May 1993&360.24\\
Jun 1993&359.55\\
Jul 1993&357.52\\
Aug 1993&355.47\\
Sep 1993&353.64\\
Oct 1993&353.92\\
Nov 1993&355.26\\
Dec 1993&356.72\\
Jan 1994&358.28\\
Feb 1994&358.83\\
Mar 1994&359.88\\
Apr 1994&361.17\\
May 1994&361.58\\
Jun 1994&360.84\\
Jul 1994&359.44\\
Aug 1994&357.37\\
Sep 1994&355.72\\
Oct 1994&355.86\\
Nov 1994&357.45\\
Dec 1994&358.9\\
Jan 1995&359.82\\
Feb 1995&360.86\\
Mar 1995&361.49\\
Apr 1995&363.3\\
May 1995&363.63\\
Jun 1995&363.1\\
Jul 1995&361.73\\
Aug 1995&359.28\\
Sep 1995&357.87\\
Oct 1995&357.56\\
Nov 1995&359.36\\
Dec 1995&360.49\\
\end{tabular}
