# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-26 02:01:43 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 01481500 BRANDYWINE CREEK AT WILMINGTON, DE # # 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 01481500 1947-04-30 4730 7.79 USGS 01481500 1948-09-10 5160 8.41 2 1948-02-14 8.72 1 USGS 01481500 1948-12-30 4940 8.25 USGS 01481500 1950-08-03 4610 7.86 USGS 01481500 1950-11-25 11500 11.34 USGS 01481500 1952-07-09 6960 9.32 USGS 01481500 1953-01-25 5820 8.61 USGS 01481500 1953-12-14 3780 7.13 USGS 01481500 1955-08-19 17800 13.89 USGS 01481500 1956-03-14 5020 7.75 USGS 01481500 1956-11-02 9620 10.36 USGS 01481500 1958-02-28 7790 9.41 USGS 01481500 1959-09-03 4950 7.70 USGS 01481500 1960-09-13 15600 11.42 USGS 01481500 1961-04-14 7660 8.30 USGS 01481500 1962-03-13 9750 9.28 USGS 01481500 1963-03-07 7990 8.45 USGS 01481500 1964-01-10 9050 8.93 USGS 01481500 1965-02-08 8740 8.79 USGS 01481500 1966-02-14 10900 9.93 USGS 01481500 1967-03-07 9510 9.47 USGS 01481500 1968-06-13 7500 8.76 USGS 01481500 1969-07-28 8730 9.21 USGS 01481500 1970-08-01 7120 8.61 USGS 01481500 1971-09-13 21300 13.83 USGS 01481500 1972-06-23 29000 15.49 USGS 01481500 1973-06-30 10400 10.57 USGS 01481500 1973-12-21 5890 8.26 USGS 01481500 1975-07-14 8400 9.70 USGS 01481500 1976-01-28 5240 7.96 USGS 01481500 1977-03-23 4900 7.73 USGS 01481500 1978-01-26 17200 12.78 USGS 01481500 1979-01-25 22400 13.22 USGS 01481500 1980-03-21 5090 7.06 USGS 01481500 1981-08-08 3680 6.62 USGS 01481500 1982-02-03 5980 8.22 2 1982-02-01 9.13 1 USGS 01481500 1983-04-11 7060 8.75 USGS 01481500 1983-12-13 10200 10.09 USGS 01481500 1985-02-13 9690 9.88 USGS 01481500 1986-04-17 3470 6.36 USGS 01481500 1987-03-01 4630 7.45 USGS 01481500 1988-05-19 5940 8.20 2 1988-01-20 8.47 1 USGS 01481500 1989-07-05 9850 9.94 USGS 01481500 1990-05-30 5450 7.94 USGS 01481500 1991-01-12 3470 6.43 USGS 01481500 1992-03-27 3260 6.24 USGS 01481500 1993-03-05 9440 9.78 USGS 01481500 1994-01-29 11700 10.69 USGS 01481500 1995-03-09 7730 9.06 USGS 01481500 1996-01-20 17800 12.69 USGS 01481500 1996-10-19 15200 11.91 USGS 01481500 1998-04-02 10:00 5770 8.11 USGS 01481500 1999-09-17 04:30 28700 15.43 USGS 01481500 2000-03-22 15:15 15500 11.99 USGS 01481500 2000-12-18 01:15 9190 9.68 USGS 01481500 2002-06-07 07:15 2000 5.00 USGS 01481500 2003-09-15 20:45 17900 12.73 USGS 01481500 2004-09-29 06:15 20800 13.52 USGS 01481500 2004-11-28 20:45 8730 9.49 USGS 01481500 2006-06-28 17:45 17000 12.46 USGS 01481500 2007-04-16 05:20 8730 16.43 6 USGS 01481500 2008-02-14 01:00 5870 15.40 USGS 01481500 2008-12-12 16:15 6580 15.67 USGS 01481500 2010-03-14 08:30 7410 15.97 USGS 01481500 2011-08-28 14:30 16800 18.71 USGS 01481500 2011-11-23 22:15 7080 15.85 USGS 01481500 2012-10-30 08:00 9550 16.70 USGS 01481500 2014-05-01 06:45 22800 20.43 USGS 01481500 2015-03-11 11:30 4760 14.94 2 2015-03-04 2300 15.79 1 USGS 01481500 2016-02-25 13:15 10200 16.90 USGS 01481500 2017-07-23 23:15 6030 15.46 USGS 01481500 2018-08-14 02:15 9310 16.62 USGS 01481500 2018-12-21 18:15 7130 15.87 USGS 01481500 2020-08-05 03:00 16000 18.58 USGS 01481500 2021-09-02 09:15 33700 23.13 USGS 01481500 2022-04-08 07:30 5260 15.12 USGS 01481500 2023-06-27 13:00 5310 15.15