About a month ago my sister gave me some Rainiers she got from a friend who goes down to San Diego and who got them at a Costco down there. They were good, but I didn't really pay attention to the label on the clamshell container.
I had some excellent cherries from the farmers' market in early May. They continued through the month, and as of last week a couple of vendors still had them but they were at their peak in May (at least from local sources).
Not sure anybody is interested now, but I just got a 2 lb. clamshell of Rainers at Costco Hawthorne for $8.99. The label said they were from Selah, Washington. They also had the red ones, but I later forgot to check out the size, cost and origin.