# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-03 22:37:19 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 07018100 Big River near Richwoods, 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 07018100 1950-01-04 36600 23.91 USGS 07018100 1951-07-13 36200 23.78 USGS 07018100 1952-04-04 10600 15.40 USGS 07018100 1953-03-04 11100 15.71 USGS 07018100 1954-06-09 10700 15.20 USGS 07018100 1955-03-21 13300 17.03 USGS 07018100 1956-05-16 7200 12.20 USGS 07018100 1957-06-30 55800 27.15 USGS 07018100 1957-12-18 15400 17.56 USGS 07018100 1958-11-18 7660 12.55 USGS 07018100 1959-12-18 21700 16.40 USGS 07018100 1961-05-09 21900 19.94 USGS 07018100 1962-03-21 15800 17.84 USGS 07018100 1963-05-18 11200 15.55 USGS 07018100 1964-03-09 16900 18.25 USGS 07018100 1965-04-06 11500 15.65 USGS 07018100 1966-02-10 21300 19.70 USGS 07018100 1967-04-30 21000 19.61 USGS 07018100 1967-12-21 20700 19.51 USGS 07018100 1969-01-30 29200 22.00 USGS 07018100 1970-05-01 12000 16.00 USGS 07018100 1970-10-14 6960 11.75 USGS 07018100 1971-12-10 18800 18.86 USGS 07018100 1972-11-02 25800 21.04 USGS 07018100 1974-02-22 15900 17.79 USGS 07018100 1975-02-23 20500 19.43 USGS 07018100 1975-12-16 2820 7.29 USGS 07018100 1977-03-28 29500 21.10 USGS 07018100 1978-03-25 12100 15.86 USGS 07018100 1979-04-12 32800 22.38 USGS 07018100 1980-08-16 5530 10.35 USGS 07018100 1981-05-19 16600 17.81 USGS 07018100 1982-01-31 18000 18.30 USGS 07018100 1983-05-01 49700 24.05 USGS 07018100 1983-11-24 20500 18.68 USGS 07018100 1985-02-23 28900 21.52 USGS 07018100 1985-11-19 45000 26.36 USGS 07018100 1986-10-02 6900 12.28 USGS 07018100 1987-12-26 15500 17.99 USGS 07018100 1989-02-14 8950 13.96 USGS 07018100 1990-05-26 30500 23.97 USGS 07018100 1990-12-30 18200 19.78 USGS 07018100 1992-04-20 13700 17.33 USGS 07018100 1993-09-23 59800 30.33 USGS 07018100 1994-04-11 50500 26.42 USGS 07018100 1995-05-18 21200 20.35 USGS 07018100 1996-04-29 21300 20.37 USGS 07018100 1997-06-22 22500 20.73 3 USGS 07018100 1998-03-20 18300 19.45 USGS 07018100 1999-02-07 16:30 19400 19.81 USGS 07018100 2000-05-07 08:00 5470 11.11 USGS 07018100 2001-02-25 22:00 5590 11.23 USGS 07018100 2002-05-09 23900 21.30 USGS 07018100 2003-05-07 11200 15.91 USGS 07018100 2003-11-18 9200 14.56 USGS 07018100 2005-04-22 11:15 21400 20.36 USGS 07018100 2006-03-12 16:45 25800 21.85 USGS 07018100 2006-12-02 14400 17.60 USGS 07018100 2008-03-19 52800 28.70 USGS 07018100 2009-05-09 26000 22.51 USGS 07018100 2009-10-30 31400 24.21 USGS 07018100 2011-04-28 26600 22.71 USGS 07018100 2012-03-17 5260 10.92 USGS 07018100 2013-04-19 02:30 32300 24.47 USGS 07018100 2014-04-03 23:00 7120 12.74 USGS 07018100 2015-06-20 09:00 22700 21.39 USGS 07018100 2015-12-28 22:00 51400 28.73 USGS 07018100 2017-04-30 19:37 66900 33.54 USGS 07018100 2018-02-25 06:07 27600 2 23.05 5 USGS 07018100 2018-12-15 23:22 15600 18.40 USGS 07018100 2020-01-11 20:52 22200 21.20 USGS 07018100 2021-03-13 05:10 15400 18.33 USGS 07018100 2022-03-31 09:30 19800 20.30 USGS 07018100 2023-03-25 10:30 22200 21.20