# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-25 08:40:10 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 50046000 RIO DE LA PLATA AT HWY 2 NR TOA ALTA, PR # # 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 50046000 1899-00-00 157000 2,7,Bm USGS 50046000 1928-09-13 120000 2,7 37.40 5 USGS 50046000 1943-06-16 82000 2,7 34.40 5 USGS 50046000 1960-09-06 95500 9 36.35 USGS 50046000 1961-08-27 70700 33.08 USGS 50046000 1961-12-05 18400 24.58 USGS 50046000 1963-05-18 8140 19.97 USGS 50046000 1964-08-28 14300 23.20 USGS 50046000 1965-08-10 18200 24.56 USGS 50046000 1965-12-10 17900 24.33 USGS 50046000 1966-10-17 6110 18.16 USGS 50046000 1968-05-14 3500 14.91 USGS 50046000 1969-05-21 9470 20.94 USGS 50046000 1969-11-09 53000 30.08 USGS 50046000 1970-10-09 78500 34.00 USGS 50046000 1972-03-30 4340 15.84 USGS 50046000 1973-04-23 4190 15.63 USGS 50046000 1974-08-09 1270 6 10.93 USGS 50046000 1975-09-16 18800 6 25.73 USGS 50046000 1975-12-10 3710 6 15.26 USGS 50046000 1976-11-02 600 1,6 USGS 50046000 1977-11-24 14200 6 23.60 USGS 50046000 1979-08-31 55600 6,9 31.72 USGS 50046000 1979-11-25 7170 6 19.16 USGS 50046000 1981-05-23 21600 6 23.92 USGS 50046000 1981-12-13 19000 6 22.98 USGS 50046000 1983-04-22 16700 6 22.04 USGS 50046000 1984-09-18 14800 6 21.71 USGS 50046000 1984-11-03 56600 6 23.33 6 USGS 50046000 1985-10-07 73200 6 24.58 USGS 50046000 1987-04-12 21200 6 18.54 USGS 50046000 1987-11-27 29300 6 20.43 USGS 50046000 1989-09-18 37700 6,9 21.47 USGS 50046000 1989-10-23 3490 6 9.17 USGS 50046000 1990-10-21 18300 6 17.64 USGS 50046000 1992-01-05 22:30 118000 6 26.39 USGS 50046000 1993-07-11 20:55 13900 6 16.01 USGS 50046000 1993-11-19 04:45 1400 6 7.40 USGS 50046000 1995-09-16 12:45 25400 6 19.60 USGS 50046000 1996-09-10 13:00 160000 6,9 27.33 USGS 50046000 1997-01-22 00:30 4350 6 10.80 USGS 50046000 1998-09-22 04:00 104000 6,9 26.14 USGS 50046000 1998-10-27 21:30 19200 6 17.93 USGS 50046000 2000-08-23 11:45 35400 6 21.08 USGS 50046000 2000-11-02 20:25 34500 6 21.07 USGS 50046000 2001-11-08 12:00 46700 6 22.47 USGS 50046000 2003-05-21 22:45 18000 6 17.53 USGS 50046000 2004-09-15 19:40 66400 6,9 24.10 USGS 50046000 2004-11-13 20:30 39600 6 21.69 USGS 50046000 2005-10-11 07:00 37200 6 21.41 USGS 50046000 2006-11-14 02:20 5140 6 11.36 USGS 50046000 2007-12-12 05:00 25700 6 20.69 USGS 50046000 2009-05-13 22:00 18900 6 19.14 USGS 50046000 2010-05-29 01:30 26700 6 20.86 USGS 50046000 2011-09-13 15:15 33500 6 21.20 USGS 50046000 2012-05-08 21:45 28300 6 20.38 USGS 50046000 2012-10-27 01:15 16900 6 18.47 USGS 50046000 2013-11-30 8990 6 14.33 USGS 50046000 2014-11-07 15100 6 18.08 USGS 50046000 2016-08-11 3530 6 9.40 USGS 50046000 2017-09-20 13:01 150000 6,9,R 28.56 R USGS 50046000 2017-10-16 20:45 25600 6 20.08 USGS 50046000 2018-11-14 22:30 11100 6 15.94 USGS 50046000 2020-07-30 17:15 25000 6 19.98 USGS 50046000 2020-11-12 04:35 6200 6 12.44 USGS 50046000 2022-09-19 01:45 109000 6,9 26.78 USGS 50046000 2022-11-05 22:50 47000 6 22.60