score:4
Slightly massaged version of the data located by Sempaiscuba in this Google Sheet. There were a few errors in the data. I used it to produce this chart of US Congress days in session per year:
Some counts are off because I didn't bother dropping a day when a session ended on the same day as the next one began - but it's no big deal to see trends.
The sheet also breaks down whether Congress was in session during spring, summer, autumn, or winter. (But unfortunately not how many days.)
Anyway, a few patterns emerge:
Side notes to follow up on the comment I posted:
'[Sep 23-Dec 21('
) that wasn't worked rather than the planting and harvesting months.On that note, the two key periods you might be interested in in my opinion are: