The Lower Missouri-Moreau watershed, also known as HUC 10300102, covers approximately 2,830 square miles in Missouri. This watershed is predominantly agricultural, with a small portion of urban and forested land. The Moreau River and its tributaries are the major surface water sources in the area, and the watershed is also home to a number of reservoirs used for flood control and recreation. The hydrology of the Lower Missouri-Moreau watershed is influenced by the region's humid subtropical climate, with hot summers and cold winters. Annual precipitation averages around 40 inches, but can vary greatly from year to year. The area experiences occasional flooding, particularly during the spring and summer months. Snowfall is generally minimal in this region, with an average of only a few inches per year. Reservoirs in the watershed are primarily used for flood control, but also provide drinking water and recreational opportunities for residents and visitors alike. Interesting climatic facts in the region include occasional tornadoes, severe thunderstorms, and heat waves during the summer months. Climate trends indicate an overall increase in temperature and precipitation over the past century.