function [t,xn,xs,en,es,scale]=cfc11atmhist93;
% CFC11ATMHIST Atmospheric history for CFC11
%
% [T,XN,XS,EN,ES,SCALE]=CFC11ATMHIST Returns columnn vectors of:
% T  = Time (mid year)
% XN = Mixing ratio in N. hemisphere [ppt]
% XS = Mixing ratio in S. hemisphere [ppt]
% EN = Uncertainty in N. hemisphere mixing ratio [ppt]
% ES = Uncertainty in S. hemisphere mixing ratio [ppt]
% SCALE = Name of calibration scale against which measurements were made
%
% Atmospheric lifetime assumed to be  45.0 years
%
% All concentrations are on the SIO-93 scale
%
% This files obtained from:
%
%  http://gaslab.ucsd.edu/pub/cfchist/ 
%  Created: 13:02 15-Sep-1999
%
%   Stephen J. Walker 
%   Scripps Institution of Oceanography

% This file created by
% /lab/stephen/CFCHist/UncertAnalysis/write_matlab_history.m
%
%      Northern        Southern
% Year Value Error  Value  Error
%      [ppt] [ppt]  [ppt]  [ppt]
%  (1)  (2)   (3)    (4)    (5)
%
scale='SIO-93';
data=[
 1931.5   0.0  0.0    0.0  0.0
 1932.5   0.0  0.0    0.0  0.0
 1933.5   0.0  0.0    0.0  0.0
 1934.5   0.0  0.0    0.0  0.0
 1935.5   0.0  0.0    0.0  0.0
 1936.5   0.0  0.0    0.0  0.0
 1937.5   0.0  0.0    0.0  0.0
 1938.5   0.0  0.0    0.0  0.0
 1939.5   0.0  0.0    0.0  0.0
 1940.5   0.0  0.0    0.0  0.0
 1941.5   0.0  0.0    0.0  0.0
 1942.5   0.0  0.0    0.0  0.0
 1943.5   0.0  0.0    0.0  0.0
 1944.5   0.0  0.0    0.0  0.0
 1945.5   0.1  0.0    0.0  0.0
 1946.5   0.1  0.0    0.1  0.0
 1947.5   0.1  0.0    0.1  0.0
 1948.5   0.2  0.0    0.1  0.0
 1949.5   0.4  0.0    0.2  0.0
 1950.5   0.7  0.0    0.4  0.0
 1951.5   1.0  0.0    0.7  0.0
 1952.5   1.5  0.1    1.0  0.0
 1953.5   2.2  0.1    1.5  0.1
 1954.5   3.0  0.1    2.2  0.1
 1955.5   4.0  0.2    3.0  0.1
 1956.5   5.3  0.2    4.0  0.1
 1957.5   6.7  0.2    5.2  0.2
 1958.5   8.1  0.3    6.5  0.2
 1959.5   9.3  0.3    7.7  0.3
 1960.5  11.0  0.4    9.1  0.3
 1961.5  13.2  0.4   10.8  0.3
 1962.5  16.0  0.5   12.9  0.4
 1963.5  19.4  0.6   15.7  0.4
 1964.5  23.5  0.7   19.0  0.5
 1965.5  28.2  0.8   22.9  0.6
 1966.5  33.3  0.9   27.4  0.7
 1967.5  39.1  1.0   32.4  0.8
 1968.5  45.6  1.1   38.0  0.9
 1969.5  53.2  1.3   44.4  1.0
 1970.5  61.9  1.4   51.8  1.2
 1971.5  71.4  1.5   60.1  1.3
 1972.5  81.9  1.7   69.3  1.4
 1973.5  94.0  1.9   79.7  1.6
 1974.5 107.4  2.1   91.4  1.8
 1975.5 120.3  2.2  103.8  1.9
 1976.5 132.8  2.3  116.1  2.1
 1977.5 144.6  2.4  128.2  2.3
 1978.5 155.2  2.4  139.5  2.4
 1979.5 166.7  1.2  147.6  1.0
 1980.5 175.1  1.7  158.1  1.0
 1981.5 182.8  2.3  166.5  1.0
 1982.5 189.9  1.9  174.7  0.8
 1983.5 197.7  1.8  183.0  0.9
 1984.5 206.3  1.8  190.9  0.9
 1985.5 216.1  2.0  200.5  0.9
 1986.5 227.5  1.9  209.8  1.1
 1987.5 239.7  2.5  220.6  1.4
 1988.5 250.9  1.6  231.5  0.8
 1989.5 257.2  1.5  240.3  0.8
 1990.5 263.8  1.5  249.1  0.9
 1991.5 266.2  1.2  254.7  0.9
 1992.5 266.1  1.0  258.8  0.9
 1993.5 267.5  0.7  260.5  0.5
 1994.5 267.4  0.5  261.6  0.3
 1995.5 266.4  0.3  261.1  0.4
 1996.5 265.2  0.3  261.1  0.4
 1997.5 263.8  0.3  260.1  0.1
 1998.5 262.3  0.4  259.1  0.3
];
t =data(:,1);
xn=data(:,2);
en=data(:,3);
xs=data(:,4);
es=data(:,5);