Sharon,
congrats on your summit!
Last year I did the hike in two days, but used trail camp/consultation lake as my base. The second day is a real grind even from trail camp. I actually took an hour nap before breaking camp and heading down.
Leaving early as you did, I suspect you avoided the noise from the dayhikers going through outpost camp which is often pointed out as a negative about outpost.
Was it dark when you hit the snow fields on trail crest?
Tomo