# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-07 15:45:37 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 07381550 W ATCHAFALAYA BASIN PRO LEVEE PIT(FWS)L GRAND BY # # 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 07381550 1945-04-29 16.10 USGS 07381550 1946-03-05 13.60 USGS 07381550 1947-05-08 13.20 USGS 07381550 1948-04-23 14.00 USGS 07381550 1949-03-14 14.80 USGS 07381550 1950-03-04 17.20 USGS 07381550 1951-03-19 14.20 USGS 07381550 1952-04-23 14.80 USGS 07381550 1953-05-29 14.80 USGS 07381550 1954-05-19 11.00 USGS 07381550 1955-04-13 15.20 USGS 07381550 1956-03-03 14.40 USGS 07381550 1957-06-10 15.90 USGS 07381550 1958-05-24 15.90 USGS 07381550 1959-03-02 14.50 USGS 07381550 1960-04-30 14.80 USGS 07381550 1961-06-02 16.50 USGS 07381550 1962-04-28 16.50 USGS 07381550 1963-04-06 15.00 USGS 07381550 1964-04-07 14.81 USGS 07381550 1965-04-22 15.50 USGS 07381550 1966-05-17 14.80 USGS 07381550 1967-06-03 13.60 USGS 07381550 1968-04-19 14.80 USGS 07381550 1969-02-26 14.80 USGS 07381550 1970-05-20 14.80 USGS 07381550 1971-03-18 13.70 USGS 07381550 1972-05-15 13.50 USGS 07381550 1973-05-22 21.20 USGS 07381550 1974-02-13 15.60 USGS 07381550 1975-04-20 18.30 USGS 07381550 1976-03-25 12.80 USGS 07381550 1977-04-25 12.00 USGS 07381550 1978-04-12 13.20