wiper fluid

Not sure if this is the right forum for this issue, but here goes. My wiper fluid shoots out of the left nozzle fine, but the middle one is halfhearted and barely reaching my windshield, and the right nozzle is totally dead. I don't know if there is some sort of clog or if I need new nozzles...

Situation: My 900 Turbo has been sitting in the Chicago cold for about four months. When I started it today, the windshield wipers and wiper fluid would not turn off. I pulled the #5 fuse...and the wipers and wiper fluid stopped. But there is a loud humming sound like the sound of the wiper...