# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-26 04:27:37 EDT # # ---------------------------------- WARNING ---------------------------------------- # Some of the data that you have obtained from this U.S. Geological Survey database # may not have received Director's approval. Any such data values are qualified # as provisional and are subject to revision. Provisional data are released on the # condition that neither the USGS nor the United States Government may be held liable # for any damages resulting from its use. # # More data may be available offline. # For more information on these data, contact USGS Water Data Inquiries. # This file contains the annual peak streamflow data. # # This information includes the following fields: # # agency_cd Agency Code # site_no USGS station number # peak_dt Date of peak streamflow (format YYYY-MM-DD) # peak_tm Time of peak streamflow (24 hour format, 00:00 - 23:59) # peak_va Annual peak streamflow value in cfs # peak_cd Peak Discharge-Qualification codes (see explanation below) # gage_ht Gage height for the associated peak streamflow in feet # gage_ht_cd Gage height qualification codes # year_last_pk Peak streamflow reported is the highest since this year # ag_dt Date of maximum gage-height for water year (if not concurrent with peak) # ag_tm Time of maximum gage-height for water year (if not concurrent with peak # ag_gage_ht maximum Gage height for water year in feet (if not concurrent with peak # ag_gage_ht_cd maximum Gage height code # # Sites in this file include: # USGS 06809500 East Nishnabotna River at Red Oak, IA # # Peak Streamflow-Qualification Codes(peak_cd): # 1 ... Discharge is a Maximum Daily Average # 2 ... Discharge is an Estimate # 3 ... Discharge affected by Dam Failure # 4 ... Discharge less than indicated value, # which is Minimum Recordable Discharge at this site # 5 ... Discharge affected to unknown degree by # Regulation or Diversion # 6 ... Discharge affected by Regulation or Diversion # 7 ... Discharge is an Historic Peak # 8 ... Discharge actually greater than indicated value # 9 ... Discharge due to Snowmelt, Hurricane, # Ice-Jam or Debris Dam breakup # A ... Year of occurrence is unknown or not exact # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # C ... All or part of the record affected by Urbanization, # Mining, Agricultural changes, Channelization, or other # F ... Peak supplied by another agency # O ... Opportunistic value not from systematic data collection # R ... Revised # # Gage height qualification codes(gage_ht_cd,ag_gage_ht_cd): # 1 ... Gage height affected by backwater # 2 ... Gage height not the maximum for the year # 3 ... Gage height at different site and(or) datum # 4 ... Gage height below minimum recordable elevation # 5 ... Gage height is an estimate # 6 ... Gage datum changed during this year # 7 ... Debris, mud, or hyper-concentrated flow # 8 ... Gage height tidally affected # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # F ... Peak supplied by another agency # R ... Revised # # agency_cd site_no peak_dt peak_tm peak_va peak_cd gage_ht gage_ht_cd year_last_pk ag_dt ag_tm ag_gage_ht ag_gage_ht_cd 5s 15s 10d 6s 8s 33s 8s 27s 4s 10d 6s 8s 27s USGS 06809500 1917-06-07 23500 7 21.70 USGS 06809500 1918-05-29 3740 13.60 USGS 06809500 1919-06-13 3300 13.10 USGS 06809500 1920-04-21 2920 12.60 USGS 06809500 1921-09-21 2800 12.40 USGS 06809500 1922-09-02 3740 13.60 USGS 06809500 1923-09-29 2700 12.20 USGS 06809500 1924-06-26 10000 18.20 USGS 06809500 1925-06-25 1850 10.00 USGS 06809500 1936-09-16 3800 14.80 6 USGS 06809500 1937-03-04 9600 18.60 USGS 06809500 1938-09-14 3810 14.90 USGS 06809500 1939-08-12 9070 18.20 USGS 06809500 1940-08-13 5000 15.83 USGS 06809500 1941-06-04 4580 15.50 USGS 06809500 1942-07-20 8100 18.40 USGS 06809500 1943-02-04 8610 17.90 USGS 06809500 1944-08-02 8500 17.90 USGS 06809500 1945-05-23 16100 20.50 USGS 06809500 1946-02-06 12000 18.20 USGS 06809500 1947-06-13 36200 23.20 USGS 06809500 1948-03-19 18400 18.90 USGS 06809500 1949-03-05 15800 17.70 USGS 06809500 1950-02-28 8580 11.80 USGS 06809500 1951-05-01 15200 16.97 USGS 06809500 1952-06-22 12600 15.53 USGS 06809500 1953-06-10 3250 7.77 USGS 06809500 1954-08-23 10400 14.08 USGS 06809500 1955-03-03 9640 13.58 USGS 06809500 1956-09-05 7630 12.57 USGS 06809500 1957-06-17 11800 15.12 USGS 06809500 1958-07-03 35600 22.27 USGS 06809500 1959-05-29 12700 15.14 USGS 06809500 1960-03-30 15100 16.40 USGS 06809500 1961-03-15 8510 12.25 USGS 06809500 1962-05-29 13000 15.28 USGS 06809500 1963-03-11 8920 10.90 USGS 06809500 1964-06-23 14300 15.96 USGS 06809500 1965-03-02 22200 19.40 USGS 06809500 1966-06-12 15100 15.56 USGS 06809500 1967-06-16 12400 14.05 USGS 06809500 1968-05-16 355 1.29 USGS 06809500 1969-03-18 13700 14.48 USGS 06809500 1970-03-02 11700 18.59 6 USGS 06809500 1971-02-19 17000 20.76 USGS 06809500 1972-09-13 38000 27.43 USGS 06809500 1973-05-08 14500 19.20 USGS 06809500 1973-10-11 8460 15.28 USGS 06809500 1975-04-28 8610 15.84 USGS 06809500 1976-06-14 12800 18.78 USGS 06809500 1977-08-28 6820 14.35 USGS 06809500 1978-03-21 9280 16.34 USGS 06809500 1979-03-19 16900 21.20 USGS 06809500 1980-06-15 14200 19.60 USGS 06809500 1981-06-16 1710 8.48 USGS 06809500 1982-02-21 13600 19.22 2 1982-02-20 19.94 1 USGS 06809500 1983-02-20 6060 13.71 USGS 06809500 1984-04-30 15000 20.11 USGS 06809500 1985-02-21 7890 14.55 USGS 06809500 1986-05-10 10200 17.36 USGS 06809500 1987-05-26 9820 17.08 USGS 06809500 1988-06-09 1170 7.84 2 1988-01-30 13.90 1 USGS 06809500 1989-09-09 22100 21.74 USGS 06809500 1990-06-17 13000 19.25 USGS 06809500 1991-06-15 22000 22.25 USGS 06809500 1992-09-16 11800 18.47 USGS 06809500 1993-08-31 21600 21.98 USGS 06809500 1994-06-23 9160 15.63 USGS 06809500 1995-03-26 5870 13.23 USGS 06809500 1996-06-21 14000 18.45 USGS 06809500 1997-02-19 9370 15.77 USGS 06809500 1998-06-15 60500 29.39 USGS 06809500 1999-05-17 15100 19.06 USGS 06809500 2000-06-26 2210 9.60 USGS 06809500 2001-03-15 10600 15.92 USGS 06809500 2002-08-24 3240 10.16 USGS 06809500 2003-05-05 4880 12.50 USGS 06809500 2004-05-23 16600 19.99 USGS 06809500 2005-05-13 12900 18.18 USGS 06809500 2006-09-17 21:00 6510 14.19 USGS 06809500 2007-05-07 34600 26.24 USGS 06809500 2008-06-13 27000 24.09 USGS 06809500 2009-04-27 12000 17.67 2 2008-12-27 18.55 1 USGS 06809500 2010-06-27 19500 21.25 USGS 06809500 2011-02-17 6850 14.18 USGS 06809500 2012-04-15 10900 16.21 USGS 06809500 2013-06-24 11300 17.24 USGS 06809500 2014-09-10 18200 21.05 USGS 06809500 2015-06-15 17000 20.16 USGS 06809500 2016-05-27 13600 18.52 2 2015-12-14 21.81 1 USGS 06809500 2017-05-20 8520 15.61 USGS 06809500 2018-07-01 16:45 9260 16.09 USGS 06809500 2019-03-14 19:15 24200 24.56 2 2019-03-14 2215 24.61 USGS 06809500 2019-10-02 14:30 8290 15.46 USGS 06809500 2021-07-11 17:30 1930 9.54 USGS 06809500 2022-06-15 23:30 6250 13.92 USGS 06809500 2023-02-27 18:45 6610 14.43