| 10000.0 | ** NOTE ** If you notice any errors in the below information, please contact our Webmaster at w-dmx.webmaster@noaa.gov . | | 16.0 | The water plant shuts down. | | 15.0 | Flooding begins affecting streets from South 13 Avenue southward. | | 14.0 | Flooding threatens the pump room at the water plant. | | 11.0 | Sandbagging begins at the water treatment plant. | | 10.0 | Water begins affecting the city park. | | 9.0 | Storm sewer problems begin from South 13th Avenue southward. | | 8.0 | Agricultural flooding occurs from the south edge of Humboldt to the confluence with the East Fork Des Moines River. |
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1) 15.40 ft on 04/14/1969
2) 15.22 ft on 07/13/1993
3) 13.90 ft on 04/08/1965
4) 12.50 ft on 06/18/1984
5) 12.20 ft on 06/23/1947
6) 12.10 ft on 05/03/2001
7) 11.72 ft on 06/25/1994
8) 11.56 ft on 03/29/1961
9) 11.33 ft on 06/22/1954
10) 11.30 ft on 04/05/1951
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1) 0.00 ft on 11/12/1976
2) 0.00 ft on 01/12/1977
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