# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-03 14:14:15 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 08012150 Mermentau River At Mermentau, LA # # 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 08012150 1940-08-01 1940-08-01 14.50 USGS 08012150 1941-06-02 1941-06-02 8.90 USGS 08012150 1942-06-13 1942-06-13 5.54 USGS 08012150 1943-09-25 1943-09-25 6.84 USGS 08012150 1943-11-11 1943-11-11 4.88 USGS 08012150 1945-02-09 1945-02-09 4.06 USGS 08012150 1946-07-10 1946-07-10 8.51 USGS 08012150 1947-01-20 1947-01-20 6.19 USGS 08012150 1948-03-07 1948-03-07 5.56 USGS 08012150 1949-03-31 1949-03-31 5.30 USGS 08012150 1950-01-10 1950-01-10 5.04 USGS 08012150 1951-02-18 1951-02-18 3.08 USGS 08012150 1952-07-19 1952-07-19 3.80 USGS 08012150 1953-05-23 1953-05-23 13.60 USGS 08012150 1954-01-14 1954-01-14 3.38 USGS 08012150 1955-02-10 1955-02-10 11.30 USGS 08012150 1956-02-11 1956-02-11 4.60 USGS 08012150 1957-06-30 1957-06-30 7.67 USGS 08012150 1958-09-23 1958-09-23 3.90 USGS 08012150 1959-02-05 1959-02-05 6.44 USGS 08012150 1959-12-21 1959-12-21 5.00 USGS 08012150 1961-02-23 1961-02-23 6.69 USGS 08012150 1961-12-20 1961-12-20 4.70 USGS 08012150 1963-09-21 1963-09-21 4.13 USGS 08012150 1964-03-04 1964-03-04 4.51 USGS 08012150 1965-03-04 1965-03-04 5.70 USGS 08012150 1966-02-17 1966-02-17 7.18 USGS 08012150 1967-04-18 1967-04-18 8.78 USGS 08012150 1968-01-11 1968-01-11 4.22 USGS 08012150 1969-04-18 1969-04-18 8.26 USGS 08012150 1970-09-25 1970-09-25 3.38 USGS 08012150 1971-09-20 1971-09-20 5.40 USGS 08012150 1971-12-10 1971-12-10 11.07 USGS 08012150 1973-04-21 1973-04-21 7.98 USGS 08012150 1974-01-28 1974-01-28 7.70 USGS 08012150 1975-01-12 1975-01-12 6.55 USGS 08012150 1976-03-29 1976-03-29 5.44 USGS 08012150 1977-04-25 1977-04-25 9.29 USGS 08012150 1977-12-05 1977-12-05 6.00 USGS 08012150 1979-06-04 1979-06-04 7.04 USGS 08012150 1980-05-19 1980-05-19 10.26 USGS 08012150 1985-09-24 34900 2 1984-10-26 5.30 5,6 USGS 08012150 1985-11-02 58000 1 1985-11-02 1200 10.97 USGS 08012150 1987-01-23 15200 1987-01-22 4.98 USGS 08012150 1988-02-08 23100 1988-02-06 4.89 USGS 08012150 1989-07-05 38200 1989-07-06 8.13 USGS 08012150 1990-02-08 27700 1990-01-29 6.45 USGS 08012150 1991-01-12 22800 1991-05-13 5.87 USGS 08012150 1992-01-22 15700 1 USGS 08012150 1993-04-08 14400 1 USGS 08012150 1993-11-16 10500 1 USGS 08012150 1995-03-15 18000 1 USGS 08012150 1996-08-31 7150 1 USGS 08012150 1996-10-28 27400 1996-10-30 6.64 USGS 08012150 1998-01-13 20400 1 1998-09-16 6.91 USGS 08012150 1999-01-02 10900 1999-01-11 5.11 USGS 08012150 2000-05-09 6160 2000-05-08 2.81 USGS 08012150 2001-09-06 17700 4.99 2 2001-06-11 5.07 USGS 08012150 2002-04-12 13300 3.88 2 2002-04-12 1300 3.88 USGS 08012150 2002-11-06 26300 6.89 2 2002-11-07 6.97 USGS 08012150 2004-05-18 47600 8.76 2 2004-05-18 1300 8.96 USGS 08012150 2004-11-07 13500 3.34 2 2005-09-27 5.98 USGS 08012150 2006-02-03 11500 2.90 2 2006-02-02 3.13 USGS 08012150 2006-10-31 28900 6.23 2 2006-11-01 6.26 USGS 08012150 2008-09-07 13000 3.49 2 2008-09-16 5.28 USGS 08012150 2009-04-22 18800 4.98 2 2009-04-23 5.09 USGS 08012150 2009-12-19 12800 4.54 2 2009-12-19 1200 4.55 USGS 08012150 2011-03-05 9110 2.08 2 2011-02-01 2.74 USGS 08012150 2012-01-13 18400 4.21 2 2012-02-22 4.78 USGS 08012150 2013-01-15 42200 10.42 2 2013-01-15 1200 10.56 USGS 08012150 2014-05-31 16700 3.98 2 2014-06-01 4.11 USGS 08012150 2015-04-19 15900 4.65 2 2015-04-20 4.77 USGS 08012150 2016-08-18 40400 10.68 2 2016-08-18 1300 10.82 USGS 08012150 2017-05-06 33800 8.61 2 2017-05-06 1300 8.73 USGS 08012150 2018-02-12 06:00 11200 3.41 2 2018-09-27 0730 3.62 USGS 08012150 2019-05-14 00:15 22400 6.23 2 2019-05-14 1430 6.31 USGS 08012150 2020-08-31 08:45 13600 5.46 2 2020-08-31 1745 5.56 USGS 08012150 2021-05-22 18:15 22700 2 7.48 USGS 08012150 2021-10-01 11:30 8930 4.34 2 2021-10-01 1700 4.36