I did it! (true confession -- some of it had been in my car for a few weeks, but I added a lot, and actually took it to the thrift store)
Final count:
1 pair winter boots
4 sweaters
5 long sleeve shirts
7 short sleeve shirts
2 jackets
1 coat
1 pair shorts
1 pair sandals
22 items!
I didn't even start on pants, since I was too tired.
I'm actually freaking out now because my fall wardrobe is so sad and depleted, but I only got rid of things that I would never, ever wear anymore. There's still some "keep-until-I-go-shopping-and-buy-nicer-pieces things in there, so I can't say that I love everything that's left, but it's so nice to not have it cluttered up with really bad things. Apparently, until last year, I was attracted only to extremely baggy tops in various shades of red! If anyone is in need of some of those, I can tell you what thrift store currently has a ton!