I am a fan of Rain X. Although Peter's adjustment sure can not hurt. For some reason I just don't think the Lucas electric Wiper system is up to the task. So I just use the electric wiper sporadically, depending on Rain X to do the main work.
On the +8 Bitsa, I use a manual Boat Wiper. It works. But again it is Rain X that is doing the heavy duty work.
Forget snow. Morgan wipers are up to the task. Briefly. Very Briefly I would suggest. Been in snow, not good!
I drive in the rain. From the Pacific Northwest. How can I not drive in the rain.
Button
Seattle
