If you haven't done so already, why don't you go on PA's reservation system and look at the sites?
Pennsylvania DCNR::Your Reservation system for outdoor fun.
If you click on a site, it will provide you with a wealth of information, including the amount of shade the site has. Below is an example of what you'll see:
Site Name: 003 Site Description: Site Attributes:
Accommodates 15 ft trailer : YES
Accommodates 20 ft Trailer : YES
Exposure Shaded : YES
Length of shortest side of spur to the wheelstop (in feet) : 34
Nearby site (another) to campsite : 5
Nearby site to campsite : 4
Nearest Drinking Water : Greater than 300 feet
Nearest Lake/Stream : Greater than 300 feet
Nearest Parking Lot for second car parking : Less than 300 feet
Nearest Playground : Greater than 300 feet
Nearest Swim area : Greater than 1/4 mile
Nearest restroom : Greater than 300 feet
Nearest shower : Greater than 300 feet
Outside the campground loop : YES
Parking is end to end : YES
Tent greater than 8 by 8 : YES
Tent less than or equal to 8x8 : YES
Type - Spur : YES
The above example is a non-electric, non-ADA, No pet site. These would be listed if the site has them, along with the amperage available if the site has electric.