![]() ![]() Closed on or before November 30 eighteen times (86% of years).Closed on or before November 20 fifteen times (71% of years).Closed on or before November 10 eight times (38% of years).Closed on or before October 31 three times (14% of years).In short, it’s rare for Glacier Point Road to close before November 1, but if you want a better than 50% chance of being able to drive out Glacier Point Road, come in early November. Closed on or before December 20 eighteen times (100%).Closed on or before December 10 sixteen times (89% of years).Closed on or before November 30 fifteen times (83% of years).Closed on or before November 20 twelve times (67% of years). ![]() Closed on or before November 10 seven times (39% of years).If we look at the 21 years from 1995 to 2015, inclusive: Glacier Point Road (discounting three years with no records) The short answer on this question is that there is a very good chance both roads will be open in early November and a very good chance both roads will be closed by early December. ![]() The median opening date for Tioga Road is May 21 (1996 to 2015). The median opening date for the Glacier Point Road is May 16 (1996 to 2015). That list gives more details, but here are the running tallies for how common it has been for the roads to be opened by a given date. If you’re a gambler and you want to play the odds, you can make some guesses based the NPS list of opening and closing dates. This video from an April flyover from 2017 (a big snow year) shows the scope of the task. See below the videos to see what the odds are that a given road is opened or closed by a given date. Still, you can run some basic calculations. Next year could be the snowiest year on record or the driest year on record. As all the investment houses say, past performance is no guarantee of future results. If you’re a bit of a gambler, you can make an educated guess based on the full list of opening and closing dates since 1996. Note: In 2022, Glacier Point Road will be closed for the entire season due to road construction. In other words, there is no scheduled opening date and we usually do not know when the road will open until shortly before it does. In 2021, for example, we had a drought year, but clearing Glacier Point Road was slowed by the large number of downed trees from the Mono Wind event. Sometimes in a low-snow year, it can still take time to get the roads open. The roads close when we get snow and they reopen when the plows punch through. In general, there are no set dates for any of these events. Update, May 27, 2022: Tioga Pass Road is open for the season. ![]()
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