With all the snow/rain we've been getting recently, I noticed the floor on the rear passenger side is sopping wet. I do not have a sunroof, and the only area of the car getting wet is the 15"x15" or so area on the floor board. Way too much water to just be snow melt from the floor mat. Up front on the passenger side is bone dry, my first thought was a clogged A/C drain line.
The door frame/trim there is also dry--I thought it might be leaking through there somehow. How else could the water be getting there?