Repolish hand prints and most other smears. Water spots are a pain...you will have them...Same thing, re polish to remove. You may as well resolve yourselves to the fact you will have to republish regularly for it to remain. Clean it up after every trip...or regularly. Dry it ASAP after washing of wet conditions. Snoqualmie?.....a full time job. Just go enjoy it and republish every three years, or so, and have fun.
"If it can't be reduced, reused, repaired, rebuilt, refurbished, refinished, resold, recycled or composted
then it should be restricted, redesigned or removed from production."