It's not explicitly daily. You accumulate pending balance based on your subscription level. When you post, if you have enough pending balance to support an upvote then you get one. If you don't, it continues to accumulate until you do.
Similarly, if you don't post for a few days it's okay because your balance continues to accumulate until you post. Your first few votes after you come back may be a bit bigger but it will settle down into a consistent value as soon as you are consistent in posting frequency.
Yeah. What he said.