I have never been successful with Hummers, but I think I am encouraged and will hang my feeder once again. Hopefully they are thirsty!!??? I live in Northern NJ.
I think my earliest has showed up at the end of April - most years May or even June. They like wooded areas and water so it helps if you have that nearby but I know someone who lives in a highrise near Philly and they fly up to her balcony.
On some forums people talk about a quart of sugar water being slurped up every day - I make two ounces at a time and end up throwing nearly all away. The flowers at least don’t have to be changed.