It'll depend on weather. They make an estimate based on the forecast, but they can't confirm it until it's closer. I'd guess at least mid February, but it'll depend on the weather.
Mid February
Its dependent on weather. You can enquire on their website for exact dates
Best to call, it will depend on weather
It look like Sat. Feb. 10th from browsing the ticket calendar.
Thanks! Your answer is awaiting moderation.