Which state in the United States is Philadelphia in?

Philadelphia is located in southeastern Pennsylvania, United States. It is the fourth largest city in the United States and the largest city in Pennsylvania. Located at the confluence of the Delaware and Schuylkill rivers, 142 kilometers east of the Atlantic Ocean. The total area is 9202 square kilometers. A famous historical city founded in 1681. From 1790 to 1800, the city was the capital of the United States. The urban area is centered on this square, which is located in the middle of the river. The City Hall tower standing on the square is the commanding height of the city. Climate Philadelphia is located on the northern edge of a humid subtropical climate with four distinct seasons. Winter is cold, with the average temperature in January being 0.2°C, but the temperature sometimes drops to 10°C. The average snowfall is 49 cm, but snowfall amounts vary greatly. The summer is sultry, with the average temperature in July being 25.3°C, and the high temperature sometimes reaching 35°C, and thunderstorms are common. The annual precipitation is about 1070mm, which is also evenly distributed. The extreme high temperature was 41°C, which occurred on August 7, 1918. The extreme low temperature was -24°C, which occurred on February 9, 1934. There are 26 days a year where temperatures reach 32°C.