If this had been a Rosetta operation, we'd have to wait six months...
Actually watching NASA TV, they said that the full data will take 16 months to be fully transmitted (data rates ranging from 200 to 4000 bits/s downlink).
Firstly, low resolution compressed data will be sent so that the science team will have a "data browser" of everything the probe gathered, then it will send complete, full resolution uncompressed data. NASA expects full data to be available by November 2016.
So, that being said, I'm going to correct my Red Timer(tm) for data availability:
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