mons

# just get the first 5 for illustration purposes
df = DataFrame(randn(201, len(mons)), columns=mons,
               index=arange(1901, 2102))[:5]

df.iloc[:, :5] # subset of the frame

from mpl_toolkits.axes_grid1 import ImageGrid
fig = figure(figsize=(20, 100))
grid = ImageGrid(fig, 111, nrows_ncols=(1, 1),
                 direction='row', axes_pad=0.05, add_all=True,
                 label_mode='1', share_all=False,
                 cbar_location='right', cbar_mode='single',
                 cbar_size='10%', cbar_pad=0.05)

ax = grid[0]
ax.set_title('A', fontsize=40)
ax.tick_params(axis='both', direction='out', labelsize=20)
im = ax.imshow(df.values, interpolation='nearest', vmax=df.max().max(),
               vmin=df.min().min())
ax.cax.colorbar(im)
ax.cax.tick_params(labelsize=20)
ax.set_xticks(arange(df.shape[1]))
ax.set_xticklabels(mons)
ax.set_yticks(arange(df.shape[0]))
ax.set_yticklabels(df.index)