| 22.0 | Severe flooding of surrounding cropland is likely. Damage is possible to numerous homes, outbuildings, irrigation systems and roads adjacent to the river. | | 18.0 | Major flooding of surrounding cropland is likely. Some homes and buildings adjacent to the river will experience some basement and first floor flooding. | | 15.0 | Minor flooding of low-lying areas is likely between Oroville and Tonasket. |
|
1) 22.54 ft on 06/02/1972
2) 21.79 ft on 05/31/1948
3) 18.79 ft on 06/19/1974
4) 18.66 ft on 06/18/1950
5) 18.31 ft on 04/27/1934
|
1) 3.43 ft on 09/05/1931
|
|
