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Pennsylvania is in the north east of the United States and does not have an Atlantic coast line. It is bordered by 6 other states with Delaware to the south east, Maryland to its south, Ohio to the west and West Virginia to the west. To the north is the state of New York and finally, to the east, New Jersey. There is a shore line, but that belongs to the inland lake of Lake Erie and also, the Delaware Estuary. The state capital is Harrisburg, but the most populous city is Philadelphia.
Pennsylvania has a humid continental climate with cold winters and hot summers. Typical temperatures in Philadelphia for January are 26f/40f (-3c/4c) and for July are 69f/87f (20c/30c). There is about 42 inches of rain per year and 21 inches of snow.
One of the most popular sites for scuba diving is Dutch Springs, where certifications can be completed. You will find a Sikorsky helicopter, Cessna plane, school bus and other objects. The depths are to a maximum of 110 feet (34mtrs), visibility to 60 feet (18mtrs) and a water temperature high of 70f/21c during the summer. Also, there are a variety of dive sites along the Delaware River, which are popular. With Lake Erie, there are approximately 1700 ships of all descriptions that have come to rest. A lot of these can be dived directly from the shore line or, you can pick up one of the many dive charters that operate between May and October.