# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-22 00:17:43 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 073802305 (COE) Lake Pontchartrain at Frenier, 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 073802305 1932-05-18 4.73 USGS 073802305 1933-07-06 3.00 USGS 073802305 1934-06-16 3.00 USGS 073802305 1934-11-21 2.40 USGS 073802305 1936-05-25 4.80 USGS 073802305 1937-05-01 4.60 USGS 073802305 1937-10-02 6.20 USGS 073802305 1938-10-17 3.50 USGS 073802305 1940-08-06 6.40 USGS 073802305 1941-09-22 5.60 USGS 073802305 1942-08-29 3.90 USGS 073802305 1943-09-19 4.00 USGS 073802305 1944-09-26 2.80 USGS 073802305 1945-04-19 3.80 USGS 073802305 1946-09-18 3.10 USGS 073802305 1947-09-19 4.31 USGS 073802305 1948-09-15 3.80 USGS 073802305 1949-09-04 4.10 USGS 073802305 1949-10-03 4.30 USGS 073802305 1950-10-02 3.20 USGS 073802305 1952-04-12 3.85 USGS 073802305 1953-09-26 3.41 USGS 073802305 1954-09-16 4.90 USGS 073802305 1955-02-05 3.75 USGS 073802305 1956-09-24 6.80 USGS 073802305 1957-09-18 4.48 USGS 073802305 1958-09-05 4.28 USGS 073802305 1959-09-13 3.68 USGS 073802305 1960-05-07 3.85 USGS 073802305 1961-08-17 3.56 USGS 073802305 1962-08-26 3.36 USGS 073802305 1963-09-17 4.00 USGS 073802305 1964-09-07 2.95 USGS 073802305 1965-09-10 12.09 USGS 073802305 1969-08-17 4.60 USGS 073802305 1970-06-01 3.55 USGS 073802305 1971-00-00 3.97 Bm USGS 073802305 1972-04-28 4.98 USGS 073802305 1973-05-08 4.17 USGS 073802305 1974-09-07 4.54 USGS 073802305 1975-09-22 3.46 USGS 073802305 1976-00-00 2.93 Bm USGS 073802305 1977-09-05 4.21 USGS 073802305 1978-05-03 4.05