Glad you found a bit of snow. Wind Chill on The Mt can be horrendous for sure
Always gets you going though.
Of course as soon as you drop the 1200 odd metres to Hobart the temp comes up HEAPS and it's not near as windy as on the Mt. That was a great feature - if I needed a hit of cool or cold air - 15 minutes had you up on top to what was often a dramatically different bit of weather,
Strong Sea Breeze is another thing that can drop the temp or apparent temp rapidly at times.
The Chalet is great - spent many an evening there with other snow freaks, fire roaring, wood fired bbq plate sizzling waiting for or watching snow falls (also trying to stop the possums stealing our snags too
One of our group usually took tarps and we covered in at least one side of the Chalet to keep a bit mre fire warmth in there.
One more comment on your comment - the fire in the Chalet. One of the great things abvout touring Tas in Winter is that National Parks often have fires roaring in the picnic shelters in the popular National Parks - really lovely when you come across that. Winter is also a really magic time to tour Tas (albeit the days are pretty short)