Chevrolet: rusty water stain on garage floor, chevy malibu, water stain

Question
2001 chevy malibu about 50K.  this appears to be related to hot weather.  small patch of rusty stain( looks similar to old timey rusty radiator water stain)

Answer
Hi Gene, you say its related to hot weather. Does your car have air conditioning? If it does, it may be condensation from the evaporator,this is nonmal. also you may have a leak in your cooling system. Where on the car does it seem to be dripping? Let me know if you need more help. Regards, Keith.