May 22 at 8:30 AM - I think May 17 or 18 are also likely, but it always seems to open a day or two too late for me to use it on my return from Mammoth to the Bay Area.
Before May 1st
Between May 1st and May 8th.
Between May 9th and May 16th
Between May 17th and May 24th
Between May 25th and June 1st
June 2nd and June 9th.
Between June 10th and 20th
After June 20th
May 22 at 8:30 AM - I think May 17 or 18 are also likely, but it always seems to open a day or two too late for me to use it on my return from Mammoth to the Bay Area.