% Atmosphere ballon sounding data, the lower 10 km
A = [0  14.0  1040.  1.15;
     1   8.9   870.  1.10;
     2   2.5   810.  0.98;
     3  -3.5   700.  0.93;
     4 -12.4   640.  0.80;
     5 -18.7   520.  0.77;
     6 -22.0   460.  0.67;
     7 -30.6   450.  0.42;
     8 -39.5   370.  0.51;
     9 -41.8   320.  0.48;
    10 -50.3   280.  0.43];
h = A(:,1); % Elevation (km)
t = A(:,2); % Temperature (deg. C)
p = A(:,3); % Pressure (hPa)
d = A(:,4); % Density (kg/m^3)
% Plot the data vs elevation
figure, plot(h,t,'+r')
figure, plot(h,p,'xr')
figure, plot(h,d,'or')