Try adding the block height to the x-axis

plot_statistics.py

@@ -24,7 +24,7 @@ axes = [targetsAxis, compressedSizeAxis, compressedScoreAxis, targetsAxis.twinx(
 
 targets = data['targets']
 
-timestamps = [datetime.datetime.fromtimestamp(timestamp) for timestamp in data['timestamps']]
+timestamps = [(timestampsIndex, datetime.datetime.fromtimestamp(timestamp)) for timestampsIndex, timestamp in enumerate(data['timestamps'])]
 
 for x, (target, nextTarget) in enumerate(zip(targets, targets[1:])):
     if nextTarget < target:
@@ -46,7 +46,8 @@ axesYValues = [targets, data['compressSize'], data['compressScore'], dataConstan
 
 class CustomDateFormatter(mdates.ticker.Formatter):
     def __call__(self, x, pos=0):
-        result = mdates.num2date(x).strftime('%m/%Y')
+        blockHeight, timestamp = x
+        result = mdates.num2date(timestamp).strftime(f'%m/%Y - {blockHeight}')
         return result
 
 plt.gca().xaxis.set_major_formatter(CustomDateFormatter())