Rosenbrock soils are deep to siltstone and are on uplands. Aransas soils are Aquolls and are in lower poorly drained positions. Divot soils are Ustolls and are well drained. Buchel soils are on nearly level floodplains and along low terraces of flood plains. These soils formed in calcareous clayey alluvial sediments.
Flooding occurs for very brief to brief periods.
Mean annual precipitation ranges from 25 to 32 inches. Mean annual temperature ranges from 70 to 74 degrees F. Elevation ranges from 40 to 450 feet above sea level and annual frost free days range from 275 to 290. Thornthwaite annual P-E indices range from 31 to 52. These include the competing Aransas soils and the Degola , Meguin and Sinton soils. Aransas soils are in lower positions in the landscape.