# # U.S. Geological Survey # National Water Information System # Retrieved: 2025-07-19 11:43:40 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 50035000 RIO GRANDE DE MANATI AT CIALES, 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 50035000 1899-08-00 50.00 5,Bd USGS 50035000 1928-09-00 36.00 5,Bd USGS 50035000 1932-09-00 34.00 5,Bd USGS 50035000 1946-12-10 3300 1 USGS 50035000 1947-10-31 3300 1 USGS 50035000 1949-09-22 7250 5.90 USGS 50035000 1950-02-04 6880 5.75 USGS 50035000 1951-09-30 5620 5.25 USGS 50035000 1952-05-09 9900 6.80 USGS 50035000 1953-06-06 2760 3.98 USGS 50035000 1956-08-12 22400 10.30 USGS 50035000 1956-11-05 2210 1 USGS 50035000 1958-01-10 6120 3.45 USGS 50035000 1959-05-03 48200 15.00 USGS 50035000 1960-09-06 77300 19.00 USGS 50035000 1961-08-27 46000 2 USGS 50035000 1962-05-20 14600 8.50 USGS 50035000 1963-05-17 27500 11.30 USGS 50035000 1963-11-02 6430 5.73 USGS 50035000 1965-05-05 13000 8.02 USGS 50035000 1965-12-09 42100 14.01 USGS 50035000 1966-12-06 7870 6.24 USGS 50035000 1968-09-19 7490 6.23 USGS 50035000 1969-04-21 24800 10.74 USGS 50035000 1969-11-09 56500 16.22 USGS 50035000 1970-10-09 125000 24.00 USGS 50035000 1972-03-30 19900 14.08 USGS 50035000 1973-04-20 10200 11.81 USGS 50035000 1974-03-09 7950 6.15 USGS 50035000 1975-09-16 72100 18.39 USGS 50035000 1976-09-30 5220 5.09 USGS 50035000 1976-10-14 11300 7.28 USGS 50035000 1978-04-10 20200 9.67 USGS 50035000 1979-08-30 36200 13.03 USGS 50035000 1979-11-25 28000 11.43 USGS 50035000 1981-05-05 11600 8.33 USGS 50035000 1981-12-13 26300 12.15 USGS 50035000 1983-04-21 29100 12.74 USGS 50035000 1984-09-11 18900 10.43 USGS 50035000 1985-05-18 74300 19.62 USGS 50035000 1985-10-07 75400 19.75 USGS 50035000 1987-04-12 25200 11.92 USGS 50035000 1987-11-27 36400 14.13 USGS 50035000 1989-09-18 12:35 27100 12.32 USGS 50035000 1989-10-23 14400 9.20 USGS 50035000 1990-10-17 13700 9.00 USGS 50035000 1992-01-06 38100 14.41 USGS 50035000 1993-04-29 17800 10.15 USGS 50035000 1993-10-28 1060 2.78 USGS 50035000 1995-09-16 13700 8.98 USGS 50035000 1996-09-10 128000 9 25.20 USGS 50035000 1997-01-22 9800 2 USGS 50035000 1998-09-21 23:30 78900 22.38 USGS 50035000 1999-09-06 18:25 12100 10.83 USGS 50035000 1999-12-02 17:25 17700 12.50 USGS 50035000 2000-11-01 18:05 2920 6.44 USGS 50035000 2002-04-25 17:15 10800 10.35 6 USGS 50035000 2003-05-21 17:40 6470 8.57 USGS 50035000 2003-11-13 09:15 10300 10.19 USGS 50035000 2004-11-12 20:00 15300 11.81 USGS 50035000 2005-10-11 01:50 17700 12.49 USGS 50035000 2006-10-19 16:40 8360 9.42 USGS 50035000 2007-12-11 15:50 32400 15.77 USGS 50035000 2009-05-08 17:15 16600 12.18 USGS 50035000 2010-05-28 21:35 27300 14.76 USGS 50035000 2011-08-23 16:10 45200 17.97 USGS 50035000 2012-05-05 18:45 35900 16.37 USGS 50035000 2012-10-26 08:15 16700 12.16 USGS 50035000 2014-08-23 22:45 21100 13.31 USGS 50035000 2014-11-07 5570 8.06 USGS 50035000 2015-11-24 14000 10.58 USGS 50035000 2017-09-20 10:32 284000 2,9 43.36 USGS 50035000 2017-10-09 17:30 9530 2 USGS 50035000 2018-10-23 18:50 7220 7.82 USGS 50035000 2020-07-30 15:40 26300 13.69 USGS 50035000 2021-09-30 22:15 4810 6.66 USGS 50035000 2022-09-18 16:00 70100 21.73 USGS 50035000 2022-11-05 20:15 31300 14.83