Wet hurts it a lot, this is where the icing happens. But you're basically admitting it won't idle on it's own right away, correct? Moving the carb further away isn't going to help it's manners in this regard. Physics in action. Or alternatively the carb is quite rich always.
If you can't just toss the keys to someone who doesn't know the car and they can operate it it's not really working right. Even stock vehicles struggle at 40 and 80%+ humidity with carbs and today's gas.