| 37.0 | Major flooding will occur. Roads and low water crossings will be flooded. The city park on Rio Concho Street will be flooded. | | 30.0 | Moderate flooding will occur. The park on Rio Concho Street will begin to flood. | | 26.0 | Minor flooding will occur. |
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1) 47.50 ft on 08/06/1906
2) 46.60 ft on 09/17/1936
3) 40.70 ft on 10/03/1959
4) 39.80 ft on 05/09/1957
5) 36.80 ft on 04/26/1922
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Low water records are unavailable.
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