Highest listed crest 24.29 ft September 16, 1992; 57,000 cubic feet per second
Flood stage 12.0 ft Major flooding from 24.0 ft
Crests at major 1 93rd of 203 gauges in Iowa
Most recent flood crest May 29, 2019 13.15 ft, minor flooding Listed crests at the Thompson River at Davis City, 1885 to 2025 0 5 10 15 20 25 ft Flood stage 12.0 ft Major 24.0 ft Aug 8, 1885: 22.80 ft, moderate flooding; 30,000 cubic feet per second Apr 24, 1897: 21.70 ft, moderate flooding Aug 27, 1903: 23.00 ft, moderate flooding Jul 6, 1909: 22.30 ft, moderate flooding Aug 16, 1914: 22.20 ft, moderate flooding Mar 28, 1915: 21.60 ft, moderate flooding Jun 6, 1918: 16.70 ft, minor flooding; 5,660 cubic feet per second Jun 4, 1919: 20.80 ft, moderate flooding; 12,500 cubic feet per second Mar 24, 1920: 18.90 ft, minor flooding; 8,350 cubic feet per second May 11, 1921: 16.50 ft, minor flooding; 5,500 cubic feet per second Jun 2, 1921: 17.10 ft, minor flooding Jul 18, 1922: 21.90 ft, moderate flooding; 13,200 cubic feet per second Nov 13, 1922: 19.40 ft, minor flooding; 7,760 cubic feet per second Jun 26, 1924: 21.00 ft, moderate flooding; 10,200 cubic feet per second Jun 3, 1925: 15.10 ft, minor flooding; 3,860 cubic feet per second Sep 9, 1926: 21.10 ft, moderate flooding; 10,800 cubic feet per second Sep 17, 1941: 11.40 ft, action stage; 4,440 cubic feet per second Jun 20, 1942: 15.50 ft, minor flooding; 8,380 cubic feet per second Jun 13, 1943: 14.10 ft, minor flooding; 6,910 cubic feet per second Apr 23, 1944: 16.20 ft, minor flooding; 8,810 cubic feet per second Apr 17, 1945: 15.90 ft, minor flooding; 8,700 cubic feet per second Jan 6, 1946: 17.20 ft, minor flooding; 11,500 cubic feet per second Jun 14, 1947: 22.10 ft, moderate flooding; 21,300 cubic feet per second Mar 20, 1948: 10.60 ft, action stage; 4,860 cubic feet per second Jun 26, 1949: 9.80 ft, action stage; 4,190 cubic feet per second May 10, 1950: 13.80 ft, minor flooding; 12,000 cubic feet per second May 2, 1951: 15.75 ft, minor flooding; 15,200 cubic feet per second Mar 13, 1952: 9.79 ft, action stage; 6,140 cubic feet per second Mar 30, 1953: 7.86 ft, below flood stage; 3,890 cubic feet per second Jun 15, 1954: 6.56 ft, below flood stage; 2,520 cubic feet per second Mar 3, 1955: 6.81 ft, below flood stage; 2,760 cubic feet per second Aug 9, 1956: 6.70 ft, below flood stage; 2,670 cubic feet per second Apr 3, 1957: 9.54 ft, action stage; 5,250 cubic feet per second Jul 15, 1958: 11.22 ft, action stage; 7,400 cubic feet per second Aug 6, 1959: 20.42 ft, moderate flooding; 17,500 cubic feet per second Mar 30, 1960: 18.63 ft, minor flooding; 15,200 cubic feet per second Sep 13, 1961: 10.22 ft, action stage; 6,820 cubic feet per second Nov 16, 1961: 10.86 ft, action stage; 7,200 cubic feet per second Mar 4, 1963: 8.00 ft, action stage; 4,510 cubic feet per second Sep 8, 1964: 11.14 ft, action stage; 7,400 cubic feet per second Apr 8, 1965: 11.35 ft, action stage; 9,520 cubic feet per second Jul 28, 1966: 9.80 ft, action stage; 6,820 cubic feet per second Jun 14, 1967: 11.96 ft, action stage; 10,400 cubic feet per second Apr 23, 1968: 8.58 ft, action stage; 5,650 cubic feet per second Jul 9, 1969: 12.01 ft, minor flooding; 10,500 cubic feet per second May 14, 1970: 7.99 ft, below flood stage; 4,940 cubic feet per second Feb 20, 1971: 8.40 ft, action stage; 5,200 cubic feet per second Sep 16, 1972: 12.45 ft, minor flooding; 10,600 cubic feet per second Feb 3, 1973: 11.28 ft, action stage; 9,420 cubic feet per second Jun 10, 1974: 19.43 ft, minor flooding; 24,300 cubic feet per second Mar 18, 1975: 7.38 ft, below flood stage; 4,420 cubic feet per second Apr 26, 1976: 13.26 ft, minor flooding; 12,500 cubic feet per second Sep 3, 1977: 6.12 ft, below flood stage; 3,120 cubic feet per second Sep 20, 1978: 11.68 ft, action stage; 10,200 cubic feet per second Mar 23, 1979: 10.34 ft, action stage; 8,220 cubic feet per second Jun 2, 1980: 12.94 ft, minor flooding; 12,400 cubic feet per second Apr 14, 1981: 8.06 ft, action stage; 5,420 cubic feet per second Mar 19, 1982: 11.84 ft, action stage; 10,600 cubic feet per second Dec 28, 1982: 9.06 ft, action stage; 6,710 cubic feet per second Jun 9, 1984: 9.23 ft, action stage; 6,950 cubic feet per second Feb 21, 1985: 7.43 ft, below flood stage May 17, 1986: 10.55 ft, action stage; 8,990 cubic feet per second Aug 28, 1987: 13.81 ft, minor flooding; 14,600 cubic feet per second Nov 29, 1987: 5.37 ft, below flood stage; 2,640 cubic feet per second Feb 20, 1988: 5.45 ft, below flood stage Sep 9, 1989: 9.76 ft, action stage; 8,720 cubic feet per second Jul 20, 1990: 13.30 ft, minor flooding; 13,800 cubic feet per second Apr 19, 1991: 11.95 ft, action stage; 11,800 cubic feet per second Sep 16, 1992: 24.29 ft, major flooding; 57,000 cubic feet per second Jul 5, 1993: 20.53 ft, moderate flooding; 30,300 cubic feet per second Jun 2, 1994: 7.64 ft, below flood stage; 5,960 cubic feet per second May 23, 1995: 11.83 ft, action stage; 11,600 cubic feet per second May 10, 1996: 12.99 ft, minor flooding; 18,300 cubic feet per second Feb 21, 1997: 7.56 ft, below flood stage; 6,450 cubic feet per second Mar 31, 1998: 11.80 ft, action stage; 14,500 cubic feet per second Apr 16, 1999: 7.36 ft, below flood stage; 6,080 cubic feet per second Jun 26, 2000: 3.21 ft, below flood stage; 1,200 cubic feet per second Apr 9, 2001: 8.25 ft, action stage; 7,250 cubic feet per second May 11, 2002: 8.07 ft, action stage; 7,000 cubic feet per second May 9, 2003: 4.24 ft, below flood stage; 2,260 cubic feet per second Aug 27, 2004: 10.92 ft, action stage; 11,100 cubic feet per second May 14, 2005: 6.04 ft, below flood stage; 4,490 cubic feet per second May 1, 2006: 5.05 ft, below flood stage; 3,220 cubic feet per second May 8, 2007: 18.90 ft, minor flooding; 25,300 cubic feet per second Jul 24, 2008: 16.77 ft, minor flooding; 21,500 cubic feet per second Apr 27, 2009: 9.89 ft, action stage; 9,570 cubic feet per second Jun 5, 2010: 15.71 ft, minor flooding; 19,400 cubic feet per second Jun 27, 2011: 10.31 ft, action stage; 10,200 cubic feet per second Apr 16, 2012: 9.68 ft, action stage; 9,260 cubic feet per second Apr 18, 2013: 16.68 ft, minor flooding; 21,300 cubic feet per second Sep 10, 2014: 14.51 ft, minor flooding; 17,200 cubic feet per second Jul 29, 2015: 10.01 ft, action stage; 9,740 cubic feet per second Dec 14, 2015: 9.57 ft, action stage; 9,100 cubic feet per second Apr 5, 2017: 8.16 ft, action stage; 7,190 cubic feet per second Sep 1, 2018: 10.44 ft, action stage; 10,400 cubic feet per second May 29, 2019: 13.15 ft, minor flooding; 14,900 cubic feet per second May 27, 2020: 8.07 ft, action stage; 6,970 cubic feet per second Jul 10, 2021: 8.72 ft, action stage; 7,870 cubic feet per second Jun 8, 2022: 6.99 ft, below flood stage; 5,530 cubic feet per second Feb 27, 2023: 6.39 ft, below flood stage; 4,840 cubic feet per second May 8, 2024: 6.63 ft, below flood stage; 5,120 cubic feet per second Jun 24, 2025: 10.53 ft, action stage; 10,500 cubic feet per second Highest, 24.29 ft, Sep 16, 1992 1900 1920 1940 1960 1980 2000 2020 Crests at or above flood stage, by decade Crests at or above flood stage per decade, Thompson River at Davis City 1880s: 1 1890s: 1 1900s: 2 1910s: 4 1920s: 8 8 1930s: 0 1940s: 6 1950s: 3 1960s: 2 1970s: 3 1980s: 2 1990s: 4 2000s: 2 2010s: 4 2020s: 0 1880s 1900s 1920s 1940s 1960s 1980s 2000s 2020s These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable. Decatur County: every hazard · River floods across the country · Iowa
NOAA National Water Prediction Service, gauge DVSI4, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.