# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-21 23:41:52 EST # # ---------------------------------- 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 07018500 Big River at Byrnesville, MO # # 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 07018500 1915-08-21 80000 7 30.20 USGS 07018500 1923-05-17 11100 17.40 USGS 07018500 1924-04-10 10800 17.10 USGS 07018500 1924-12-20 6200 12.58 USGS 07018500 1925-11-09 13100 18.97 USGS 07018500 1927-04-02 21900 22.63 USGS 07018500 1928-06-11 12800 18.84 USGS 07018500 1929-05-15 15200 20.00 USGS 07018500 1930-01-15 17400 21.00 USGS 07018500 1931-04-21 3940 10.10 USGS 07018500 1932-08-13 7000 13.35 USGS 07018500 1933-05-15 19200 21.70 USGS 07018500 1934-05-16 7080 13.70 USGS 07018500 1935-03-12 28800 24.65 USGS 07018500 1935-11-11 9600 15.97 USGS 07018500 1937-01-16 17300 20.06 USGS 07018500 1938-02-19 24600 22.53 USGS 07018500 1939-04-18 24000 22.30 USGS 07018500 1940-05-02 7540 14.81 USGS 07018500 1941-04-19 9150 16.15 USGS 07018500 1942-06-26 13000 18.42 USGS 07018500 1943-05-12 25000 22.57 USGS 07018500 1944-04-24 12800 18.30 USGS 07018500 1945-04-01 28300 23.40 USGS 07018500 1946-02-15 21800 21.57 USGS 07018500 1947-04-26 28000 23.50 USGS 07018500 1948-05-18 13700 18.83 USGS 07018500 1949-02-16 18700 20.39 USGS 07018500 1950-01-05 36900 25.23 USGS 07018500 1951-07-14 30500 23.48 USGS 07018500 1952-04-14 10500 17.37 USGS 07018500 1953-03-05 10200 16.97 USGS 07018500 1954-06-10 10000 16.93 USGS 07018500 1955-03-22 12700 18.20 USGS 07018500 1956-05-17 6640 13.59 USGS 07018500 1957-07-01 42100 26.41 USGS 07018500 1958-03-26 15500 19.18 USGS 07018500 1959-05-18 7100 14.77 USGS 07018500 1959-12-19 12200 18.00 USGS 07018500 1961-05-09 25800 23.33 USGS 07018500 1962-03-22 15100 19.43 USGS 07018500 1963-05-19 10600 16.86 USGS 07018500 1964-03-11 16600 20.02 USGS 07018500 1965-04-07 10600 17.34 USGS 07018500 1966-02-11 19000 20.77 USGS 07018500 1967-05-01 13600 18.86 USGS 07018500 1967-12-23 20200 21.21 USGS 07018500 1969-01-31 30200 23.68 USGS 07018500 1970-05-02 11200 17.59 USGS 07018500 1971-02-23 5320 12.29 2 1970-10-15 12.55 1 USGS 07018500 1971-12-12 17600 20.36 USGS 07018500 1972-11-04 28000 23.23 USGS 07018500 1973-12-26 15400 19.01 2 1974-02-23 19.50 USGS 07018500 1975-02-24 20300 21.22 USGS 07018500 1975-12-16 2760 8.56 USGS 07018500 1977-03-30 25400 22.61 USGS 07018500 1978-03-26 13000 18.49 USGS 07018500 1979-04-13 36200 25.10 USGS 07018500 1980-03-31 3150 9.60 USGS 07018500 1981-05-21 15600 19.57 USGS 07018500 1982-02-01 17100 20.15 USGS 07018500 1983-05-02 42800 26.42 USGS 07018500 1983-11-25 15000 19.33 USGS 07018500 1985-02-25 27200 23.02 USGS 07018500 1985-11-21 43000 26.47 USGS 07018500 1986-10-01 12700 18.37 USGS 07018500 1987-12-27 16200 19.90 USGS 07018500 1989-02-15 7030 14.37 USGS 07018500 1990-05-27 32600 24.37 USGS 07018500 1990-12-31 26200 22.82 USGS 07018500 1992-04-21 14000 18.71 USGS 07018500 1993-09-25 63600 29.37 USGS 07018500 1993-11-16 50700 26.67 USGS 07018500 1995-05-19 27800 23.22 USGS 07018500 1996-04-29 26100 22.78 USGS 07018500 1997-06-23 18400 20.65 USGS 07018500 1998-03-21 19900 21.13 USGS 07018500 1999-02-09 01:45 17800 20.67 USGS 07018500 2000-05-07 20:15 23400 22.44 USGS 07018500 2001-02-26 11:45 5540 12.18 USGS 07018500 2002-05-10 23800 22.54 USGS 07018500 2003-05-07 13800 18.71 USGS 07018500 2003-11-19 7980 15.12 USGS 07018500 2005-04-23 13:00 15900 19.58 USGS 07018500 2006-03-13 19:45 21300 21.47 USGS 07018500 2006-12-03 12100 17.99 USGS 07018500 2008-03-20 47300 27.57 USGS 07018500 2009-05-10 25400 22.69 USGS 07018500 2009-11-01 33300 24.70 USGS 07018500 2011-04-29 24300 22.78 USGS 07018500 2012-03-18 4920 11.68 USGS 07018500 2013-04-20 09:45 28700 23.58 USGS 07018500 2014-04-03 23:15 10100 16.79 2 2014-04-04 16.81 USGS 07018500 2015-06-21 20:00 20300 21.70 USGS 07018500 2015-12-29 16:00 45200 27.18 USGS 07018500 2017-05-01 11:51 62600 30.09 USGS 07018500 2018-02-26 10:15 25100 22.61 USGS 07018500 2018-12-17 01:45 13000 18.54 USGS 07018500 2020-01-13 03:00 19000 21.11 USGS 07018500 2021-03-14 03:15 13300 18.67 USGS 07018500 2022-04-01 15:55 17700 20.60 USGS 07018500 2023-03-26 12:07 21400 21.95