# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-22 05:11:54 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 07069000 Black River at Pocahontas, AR # # 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 07069000 1915-08-01 1915-08-01 27.90 USGS 07069000 1927-04-17 80000 7 25.90 USGS 07069000 1937-01-21 31600 24.00 USGS 07069000 1938-02-25 30100 21.92 USGS 07069000 1939-04-24 28000 21.15 USGS 07069000 1940-04-24 15000 17.85 USGS 07069000 1941-01-25 7270 8.92 USGS 07069000 1942-04-16 18600 19.60 USGS 07069000 1943-05-18 39500 22.46 USGS 07069000 1944-04-26 17300 19.07 USGS 07069000 1945-06-17 59600 24.32 USGS 07069000 1946-05-29 30300 21.66 USGS 07069000 1947-05-01 14700 17.16 USGS 07069000 1948-01-05 15800 5 1948-01-06 17.51 USGS 07069000 1949-01-29 53800 5 24.07 USGS 07069000 1950-01-11 39100 5 22.92 USGS 07069000 1951-02-25 23600 5 20.83 USGS 07069000 1951-12-01 23600 5 20.78 USGS 07069000 1953-03-24 14500 5 17.37 USGS 07069000 1954-05-04 10200 5 12.68 USGS 07069000 1955-03-26 16200 5 18.38 USGS 07069000 1956-05-20 13700 5 16.68 USGS 07069000 1957-05-29 42800 5 23.34 USGS 07069000 1958-03-29 32400 5 22.13 USGS 07069000 1958-11-22 15000 5 17.68 USGS 07069000 1960-05-22 12600 5 15.57 USGS 07069000 1961-05-12 52300 5 24.18 USGS 07069000 1962-03-05 15500 5 18.02 USGS 07069000 1963-05-31 13800 1,5 1963-06-01 16.40 USGS 07069000 1964-03-14 42900 5 23.32 USGS 07069000 1965-04-10 12000 5 15.11 USGS 07069000 1966-04-30 29400 5 21.77 USGS 07069000 1967-05-16 15800 5 18.46 USGS 07069000 1968-05-17 17600 5 19.55 USGS 07069000 1969-02-03 53500 5 24.18 USGS 07069000 1970-05-04 18400 5 19.72 USGS 07069000 1971-01-15 11300 5 14.61 USGS 07069000 1972-05-03 16900 5 19.22 USGS 07069000 1973-04-25 66000 5 25.00 USGS 07069000 1973-11-30 35900 5 22.46 USGS 07069000 1975-04-01 47800 5 23.65 USGS 07069000 1976-07-07 14000 5 17.32 USGS 07069000 1977-04-01 53800 5 24.21 USGS 07069000 1978-03-30 17600 5 19.55 USGS 07069000 1979-04-03 35500 5 22.42 USGS 07069000 1980-04-02 10100 5 13.07 USGS 07069000 1981-05-18 9340 5 12.10 USGS 07069000 1982-02-05 37100 5 22.58 USGS 07069000 1982-12-07 66300 5 25.22 USGS 07069000 1984-04-11 15400 5 18.34 USGS 07069000 1984-12-26 43200 5 23.19 USGS 07069000 1985-11-24 17700 5 19.58 USGS 07069000 1987-03-02 10700 5 13.76 USGS 07069000 1987-12-31 23900 5 21.08 USGS 07069000 1989-02-19 40600 5 22.82 USGS 07069000 1990-05-31 18500 5 19.17 USGS 07069000 1991-04-20 36500 5 22.33 USGS 07069000 1992-04-25 19500 5 19.47 USGS 07069000 1993-01-09 28700 5 21.28 USGS 07069000 1993-11-18 34800 5 22.11 USGS 07069000 1994-11-13 18.07 USGS 07069000 1996-05-14 20.56 USGS 07069000 1997-03-06 21.14 USGS 07069000 1998-03-25 20.10 USGS 07069000 1999-04-20 19.71 USGS 07069000 2000-05-29 12300 5 14.50 USGS 07069000 2001-02-28 23:00 13100 5 15.37 USGS 07069000 2002-05-21 07:00 44200 5 23.22 USGS 07069000 2003-01-03 07:00 14900 5 17.10 USGS 07069000 2004-04-29 19:00 18700 5 19.24 USGS 07069000 2005-01-17 19:00 16700 5 18.38 USGS 07069000 2006-09-24 23:00 17900 5 18.98 2 2006-09-25 0200 19.01 USGS 07069000 2007-01-20 11:00 28000 5 21.14 USGS 07069000 2008-03-23 18:00 72200 2,5 26.33 2 1927 2008-03-22 0700 26.56 USGS 07069000 2009-05-11 12:30 25900 5 20.81 USGS 07069000 2009-11-03 14:30 40500 5 22.81 USGS 07069000 2011-04-28 16:15 86600 5 28.44 USGS 07069000 2011-12-07 19:15 16000 5 17.96 USGS 07069000 2013-05-08 15:45 22100 5,R 20.30 R USGS 07069000 2013-12-27 19:30 25700 5,R 20.98 R USGS 07069000 2015-03-18 18:30 31900 5,R 21.80 R USGS 07069000 2016-01-01 03:45 62000 5,R 25.05 R USGS 07069000 2017-05-02 20:30 105000 2,5,R 28.95 R USGS 07069000 2018-03-01 07:15 33200 5,R 22.25 R USGS 07069000 2019-02-15 15:15 31200 5,R 22.04 R USGS 07069000 2020-03-24 13:00 29900 5,R 21.89 R USGS 07069000 2021-03-22 04:45 24000 5,R 20.95 R USGS 07069000 2022-05-10 13:00 22800 5,R 20.64 R USGS 07069000 2023-03-29 35000 5,R 22.43 R