Answer the following questions about superlatives of the U.S. state of Virginia.
For the river, name the longest river that flows through or along the border of Virginia by total length of the river, not just its length in Virginia.
For the lakes, name the largest lakes in or bordering Virginia by total surface area, not just area in Virginia.
For the island, name the largest island that is partially in Virginia by the total area of the island, not just its area in Virginia.
For temperature records, name either the temperature in degrees Fahrenheit or the location where that temperature was recorded.