data_hv = load('0_19064_visibility_20141202_nocomments.dat');
data_45 = load('0_46846_visibility_20141202_nocomments.dat');

plot(data_hv(:, 1), data_hv(:, 3) + data_hv(:, 5),...
    data_hv(:, 1), data_hv(:, 4) + data_hv(:, 5),...
    data_45(:, 1), data_45(:, 3) + data_45(:, 5),...
    data_45(:, 1), data_45(:, 4) + data_45(:, 5)),...
    xlabel(''),...
    ylabel(''),...
    title(''),...
    grid;

plot(data_hv(:, 1), data_hv(:, 3),...
    data_hv(:, 1), data_hv(:, 4),...
    data_45(:, 1), data_45(:, 3),...
    data_45(:, 1), data_45(:, 4)),...
    xlabel(''),...
    ylabel(''),...
    title(''),...
    grid;

[mean(data_hv(:, 3)), std(data_hv(:, 3))]
[mean(data_hv(:, 4)), std(data_hv(:, 4))]

[mean(data_45(:, 3)), std(data_45(:, 3))]
[mean(data_45(:, 4)), std(data_45(:, 4))]

[mean(data_hv(:, 3)), std(data_hv(:, 3))]
[mean(data_hv(:, 4)), std(data_hv(:, 4))/mean(data_hv(:, 4))]

[mean(data_45(:, 3)), std(data_45(:, 3))/mean(data_45(:, 3))]
[mean(data_45(:, 4)), std(data_45(:, 4))/mean(data_45(:, 4))]