What percent of the electorate is incapacitated on voting day?

What is the that group's deviation from the general voting population's preferences?

What are the margins of the votes on those ballot questions?

Mild curiosity, no idea whether it would be statistically relevant but asking the question is the first step. If you knew the answer, you might want to extend the voting window even if it wouldn't effect an elections outcome it would be a quantified number of people excluded from the democratic process for simply having bad luck at the wrong time.