Well peaches can set wayyyyy too many fruit. People usually have to thin them a lot to get larger peaches and to prevent branches from breaking. So having 50%+ blooms get fried saves growers from that hassle.
Re:coolwx…I have obs from all over the place. Some from Auburn through 2001. Lyndonville obs while at school in the late 90s. North Branch MN for a year. Manchester and Goffstown obs for a bit. Then finally up here starting in 2006.