My average word count per day was 2040. My worst day was on Nov. 6, when I wrote nothing at all. My best day was Nov. 12, when I wrote 4011 words. As far as I know, that was my most productive writing day ever.
Daily counts varied considerably. However, I made it over 2000 words on 17 days out of 25.
Part 1 - The Spanking Machine - 28,861
Part 2 - Childish Things - 29,597
Part 3 - Deadly Light - 24,991
Overall - 83,449
Here are some sites I found with word count stats for some well-known books: