Comparison of tomato plants 2008-2010

This was the status of my tomato plants in late June in 2008:


And late June 2009:


And late June 2010:


The ring stakes are all the same in the three pictures. Late spring/early summer was relatively cool and wet for both 2008 and 2009. This spring and early summer were really hot, and in my particular area, also quite rainy. What a difference heat makes!