# # U.S. Geological Survey # National Water Information System # Retrieved: 2025-02-21 05:20:42 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 50050900 RIO GRANDE DE LOIZA AT QUEBRADA ARENAS, 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 50050900 1977-10-06 5000 9.92 5 USGS 50050900 1979-07-18 8950 13.40 USGS 50050900 1980-07-17 2820 9.08 USGS 50050900 1981-06-01 2320 8.56 USGS 50050900 1982-05-29 4030 10.16 USGS 50050900 1983-06-16 2660 8.92 USGS 50050900 1983-11-05 11700 14.78 USGS 50050900 1985-05-18 4290 10.37 USGS 50050900 1985-10-06 3850 10.01 USGS 50050900 1987-06-21 4330 10.40 USGS 50050900 1987-11-27 6510 11.95 USGS 50050900 1989-09-18 3470 9 9.69 USGS 50050900 1990-08-28 3780 9.95 USGS 50050900 1990-10-20 3640 9.83 USGS 50050900 1992-01-05 18200 17.52 USGS 50050900 1993-07-11 7260 12.40 USGS 50050900 1994-09-20 3540 9.77 USGS 50050900 1995-08-19 1770 8.05 USGS 50050900 1996-09-10 21500 8,9,R 25.93 USGS 50050900 1997-04-02 3620 9.84 USGS 50050900 1998-09-21 21:00 21500 8,9,R 26.37 USGS 50050900 1998-10-22 15:45 3690 9.90 USGS 50050900 2000-08-23 07:40 7170 9 12.35 USGS 50050900 2001-08-22 21:15 8580 13.17 USGS 50050900 2001-11-08 18:15 5230 11.06 USGS 50050900 2003-07-13 08:40 4430 10.48 USGS 50050900 2004-09-15 12:15 7000 12.24 USGS 50050900 2004-11-14 15:05 5650 11.36 USGS 50050900 2005-10-11 12:30 2960 9.26 USGS 50050900 2006-10-18 20:00 8470 13.11 USGS 50050900 2008-09-21 15:55 9830 13.84 USGS 50050900 2009-05-13 11:40 4760 10.72 USGS 50050900 2009-12-25 03:00 7320 12.44 USGS 50050900 2011-09-19 18:55 5260 11.08 USGS 50050900 2012-08-24 12:15 4800 10.77 USGS 50050900 2013-09-08 01:50 4490 10.58 USGS 50050900 2014-09-19 6710 12.06 USGS 50050900 2014-11-22 2410 9.00 USGS 50050900 2016-07-31 5510 11.26 USGS 50050900 2017-09-07 06:30 6770 9 12.10 USGS 50050900 2017-10-05 16:40 4330 11.97 USGS 50050900 2019-04-28 23:30 3460 11.42 USGS 50050900 2020-03-23 10:30 3320 11.27 USGS 50050900 2020-11-10 05:20 1330 8.73 USGS 50050900 2022-09-18 15:15 6350 9 14.01 USGS 50050900 2022-11-07 18:35 3170 11.11