In the winter you've got the "Snowbirds" from the cold and snowey country (especially Canada). In the summer you've got the "Zonies" from Arizona and the hot desert areas. Then you've got the annual San Diego tourism demographic. Next you've got the Del Mar Racetrack crowd.
We haven't had to adjust our rental rates more than 10% one way or the other of years. I can only see things getting better in the North SD Coastal rental market.