In '05 I started on April 8th. "05 was a very heavy snow year - particularly in SoCal (San Jacinto had the deepest snow-pack ever recorded - for the first time the summit building was completely burried). There were very few of us on the Trail, and we generally had an awesome time. The Desert Divide/San Jacinto area was completely snowbound, so navigating was tricky, Tragically, John Donovon, a fellow thru-hiker, got lost up there and evetually died.
I ended up bypassing Fuller Ridge by hiking Black Mountain Road. I also Bypassed Baden Powell by hiking the Angeles Crest Highway. Other than these two areas, the PCT in SoCal was in great condition with plenty of water sources.
I headed north from Kennedy Meadows on May 31st. The only hiker ahead of me was Squeaky, who was balzing ahead to attempt the Triple Crown in one year. Generally speaking the Sierra was completely snow-bound above 10,500 feet. It was truely awesome. I kicked out @ Mt. Whitney and flipped to Canada so that I could finish the hike on the summit of Whitney (I had already thru-hiked in '97 as well & had had enough snow travel by that point).
If I were hiking this year, I would also start around April 1st. No crowds, relaxed pace, lots of water in the desert and cooler desert temps are just some of the advantages of starting ‘early.’ Its definitely a good idea, though, to have some experience using an ice-axe and some fairly good navigational skills. When your above tree-line, the navigating in snow is relatively easy with good visability. Navigating below tree-line in snow is tricky (like on the flanks of San Jacinto and also in the “Siberian Outpost” area of the high Sierra.
Perhaps the most dangerous challenge you might face is river fording. When your below treeline, it really pays off to walk up or down the brook or river until you find a blowdown that forms a natural bridge.
We had an interesting discussion a year ago on the challenges faced in a heavy snow year or an early start. Here’s the link:
http://www.trailforums.com/index2.cfm?action=detail&PostNum=6837&Thread=1&roomID=11&entryID=53104
Happy Trails!
freebird