| 16.0 | Widespread flooding commences with the 100 year flood being affected at a stage height of 15.8 feet. | | 11.0 | Significant flooding affects a large area around Surprise. | | 7.0 | The city park near the gage site begins to flood. |
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1) 11.52 ft on 07/19/1965
2) 10.64 ft on 06/30/1986
3) 10.17 ft on 07/12/1972
4) 10.17 ft on 06/15/1967
5) 9.58 ft on 06/04/1991
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1) 0.00 ft on 07/18/1968
2) 0.00 ft on 09/01/2000
3) 0.00 ft on 10/13/1998
4) 0.00 ft on 10/12/1998
5) 0.00 ft on 10/01/1997
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