June marks the tenth month of the Last Day Project. The idea is to take a photo from the same vantage point on or about the end of each month, and view the changes over a year's time.
If you click the link above or the "Last Day" label below, you'll see Johnson Field is drying out now as it always does in summer. By September it'll be entirely parched.
I think this proves to the rest of the world that southern California actually has seasons.