Lake A body of fresh or salt water entirely surrounded by land. Latitude The angular distance north or south of the equator, measured in degrees, minutes, and seconds. Levee An artificial embankment or wall built to exclude flood waters, or a natural formation adjacent to a waterway built by the deposition of silt from floodwaters. A device that automatically records, either continuously or at selected time interval, the liquid level as detected by a sensor. The angular distance east or west of the prime meridian, measured in degrees, minutes and seconds.
Peak flow the maximum instantaneous discharge of a stream or river at a given location.
It usually occurs at or near the time of maximum stage. Permeability the ability of a material to allow the passage of a liquid, such as water through rocks. Permeable materials, such as gravel and sand, allow water to move quickly through them, whereas unpermeable material, such as clay, don't allow water to flow freely. Precipitation Water falling to the Earth's surface in any form, such as rain, snow, sleet, or hail. Provisional Data Data that has not undergone quality assurance checking.