I have a membership through expertflyer.com to check fare buckets.
Looking at that time on STS-PDX there is a ton of R space on all flights. Also in early July there are 4 saver award seats on both AM & PM flights. The fares in the market G/T have been available since January. They don't have an R fare in the market so no gobbling up of R space that way but i assume the revenue management system will decrease R space as G/T are eaten up. At this point there is still 7+ seats left in every fare class for the first week in July.