# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-26 12:01:19 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 08475000 Rio Grande nr Brownsville, TX # # 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 08475000 1935-06-10 31000 6 32.10 USGS 08475000 1936-09-03 25600 6 32.11 USGS 08475000 1936-10-02 21200 6 32.27 USGS 08475000 1938-09-02 24000 6 31.63 USGS 08475000 1939-05-16 25500 6 31.95 USGS 08475000 1940-06-28 28300 6 31.75 USGS 08475000 1941-06-27 28300 6 32.32 USGS 08475000 1942-09-14 31000 6 33.24 USGS 08475000 1942-10-09 22700 6 30.34 USGS 08475000 1944-09-15 26200 6 32.08 USGS 08475000 1944-10-08 17600 6 USGS 08475000 1945-10-08 31700 6 31.48 USGS 08475000 1946-10-12 25000 6 30.82 USGS 08475000 1948-09-17 26400 6 31.73 USGS 08475000 1949-04-26 28000 6 32.74 USGS 08475000 1950-05-31 15700 6 26.30 USGS 08475000 1951-09-19 21000 6 30.20 USGS 08475000 1952-06-01 9430 6 22.85 USGS 08475000 1953-09-08 15100 6 29.04 USGS 08475000 1953-10-08 12300 6 26.64 USGS 08475000 1954-10-08 1980 6 14.37 USGS 08475000 1955-11-11 606 6 10.50 USGS 08475000 1957-05-02 3800 6 18.56 USGS 08475000 1958-05-18 1720 6 17.40 USGS 08475000 1958-10-23 9760 6 31.84 USGS 08475000 1960-04-21 2870 6 17.61 USGS 08475000 1961-09-19 6780 6 25.27 USGS 08475000 1961-10-31 2460 6 16.07 USGS 08475000 1963-06-21 2590 6 15.66 USGS 08475000 1964-05-25 2560 6 15.99 USGS 08475000 1965-05-21 2670 6 18.29 USGS 08475000 1966-09-26 10700 6 27.85 USGS 08475000 1967-09-30 15900 6 18.20 USGS 08475000 1968-09-17 5720 6 20.78 USGS 08475000 1969-02-26 2210 6 13.09 USGS 08475000 1969-12-12 1400 6 10.70 USGS 08475000 1971-09-29 15100 6 29.92 USGS 08475000 1971-10-19 16300 6 30.77 USGS 08475000 1973-07-06 15600 6 31.43 USGS 08475000 1973-10-01 14000 6 29.59 USGS 08475000 1975-09-19 13100 6 28.19 USGS 08475000 1976-08-28 14000 6 28.88 USGS 08475000 1976-10-05 11300 6 26.48