Well, I live in Portland, Oregon, where it always seems to be winter until July 5!
I watch the Sierra weather closely from here. This year is quite a contrast to last year. A good litmus test it to look at daily temperature highs for Fresno. The last 30 days have been brutal -- quite cool by normal standards. That was not the case last year. Nor did we experience the succession of late spring snow storms we saw this year. If May had been more on the normal side in terms of weather and temperatures, we would be looking at Sierra conditions close to what we saw last year.
That said, a few hot weeks in a row may change everything. Look how quickly Charlotte Lake melted out last year.
I thought last year was a rather cool spring! At least up here in Sacramento. We never even had many 110 days last summer.
I wouldn't expect 110 degrees in May. Last year, if my memory serves me, the big melt was over, except in the highest elevations, by mid July -- pretty normal by Sierra standards. (I grew up in Sacramento, not far from Fair Oaks, and 110 degrees was unusual for Sacto back in the day -- not unheard of, but definitely not the normal 95 - 100 degree summer day, with cool Delta breezes at night.)
To get a feel for how much more snow is still out there compared to last year, check out MooseTracks' photos in this thread over at summitpost: http://www.summitpost.org/phpBB3/piute- ... 58727.html
. I attribute this to the combination of a heavy snow year and a very cool spring.