Despite the constant showers I have managed to get the top outboard wing skin primered. I cleaned it outside, but then brought it inside for the actual spraying. It meant a lot of extra setup time to make sure I had positive airflow (pedestal fan blowing towards the garage doors) and to make sure I had everything important covered up, but at least its done. I'll let it set up for a couple of days and then see about rivetting it to the wing skeleton. I might go out later on and finished dimpling and edge finishing the two bottom wing skins; depends on the fumes level, it may have to wait until tomorrow...