Left work a bit early to hike El Cajon (the box) Mt, but probably under estimated the time needed.  I carried all of my water, but thankful for the life-saving water stations that were available if I had needed it.  By the time I started, it was past the hot part of the day.  I only saw 1 other hiker.  There were several washed out deep ruts and a few sandy and slippery sections.  I reached peak just past sunset and the trail reflectors at the top were very helpful in avoiding false trails getting to and from the peak.  I caught a panoramic that contained moon rise and sunset, quite amazing views.  On the way down, I hiked through the clouds and the misty environment brought out the toads, tarantulas, and few screech owls that I never saw.
Overall a great workout and good practice for the Mt Whitney summit hike.