# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-10-31 19:00:03 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 01481000 Brandywine Creek at Chadds Ford, PA # # 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 01481000 1912-02-21 10600 12.00 USGS 01481000 1913-04-28 3900 7.80 USGS 01481000 1914-01-24 4320 8.20 USGS 01481000 1915-08-04 16500 14.70 USGS 01481000 1916-06-16 4790 8.60 USGS 01481000 1917-01-22 4430 8.30 USGS 01481000 1918-01-12 10200 11.80 USGS 01481000 1919-07-22 7180 10.25 USGS 01481000 1920-03-05 17200 15.00 USGS 01481000 1920-12-01 2560 6.00 USGS 01481000 1922-02-20 4100 8.00 USGS 01481000 1923-04-29 3220 7.00 USGS 01481000 1924-01-17 6840 10.00 USGS 01481000 1925-02-11 7700 10.50 USGS 01481000 1926-02-25 5900 9.40 USGS 01481000 1927-09-19 7010 10.10 USGS 01481000 1928-08-18 8620 11.00 USGS 01481000 1929-02-27 6520 9.77 USGS 01481000 1929-10-02 4670 8.47 USGS 01481000 1931-07-10 8240 10.80 USGS 01481000 1932-03-28 5460 9.06 USGS 01481000 1933-08-24 14800 14.01 USGS 01481000 1934-03-05 4670 8.48 USGS 01481000 1935-07-09 7000 10.00 USGS 01481000 1936-01-03 9000 11.21 USGS 01481000 1937-02-22 3790 7.76 USGS 01481000 1938-06-27 9400 11.37 USGS 01481000 1939-08-20 8060 10.72 USGS 01481000 1940-03-15 6190 9.65 USGS 01481000 1941-02-08 5060 8.92 USGS 01481000 1942-08-09 16800 14.80 USGS 01481000 1942-12-30 5360 9.08 USGS 01481000 1944-01-04 7880 10.60 USGS 01481000 1945-09-19 8240 10.87 USGS 01481000 1946-07-23 8810 11.14 USGS 01481000 1947-07-08 2500 6.00 USGS 01481000 1948-09-10 6190 9.64 USGS 01481000 1948-12-30 5360 9.10 USGS 01481000 1950-08-03 4690 8.65 USGS 01481000 1950-11-25 11600 12.54 USGS 01481000 1951-12-21 6050 9.49 USGS 01481000 1953-01-24 6200 9.63 USGS 01481000 1955-08-19 16400 7 14.64 USGS 01481000 1963-03-06 5900 9.44 USGS 01481000 1964-01-10 7110 10.16 USGS 01481000 1965-02-08 6470 9.77 USGS 01481000 1966-02-14 8600 10.99 USGS 01481000 1967-03-07 7700 10.50 USGS 01481000 1968-06-13 6840 10.00 USGS 01481000 1969-07-28 7270 10.81 USGS 01481000 1970-04-03 5310 9.19 USGS 01481000 1971-09-13 14300 14.39 USGS 01481000 1972-06-22 23800 16.56 USGS 01481000 1973-06-30 11400 12.46 USGS 01481000 1973-12-21 6790 9.99 USGS 01481000 1975-07-14 9600 11.60 USGS 01481000 1976-01-28 5200 8.78 USGS 01481000 1977-03-23 5240 5 8.82 USGS 01481000 1978-01-26 15700 5 14.11 USGS 01481000 1979-01-25 16400 5 14.35 USGS 01481000 1980-03-21 4340 5 8.00 USGS 01481000 1981-07-21 3520 5 7.14 USGS 01481000 1982-01-04 5310 5 9.03 USGS 01481000 1983-04-10 6200 5 9.59 USGS 01481000 1983-12-13 8450 5 11.24 USGS 01481000 1985-02-13 8700 5 11.46 USGS 01481000 1986-04-17 3000 5 6.52 USGS 01481000 1987-09-09 4730 5 8.48 USGS 01481000 1988-05-19 5640 5 9.29 USGS 01481000 1989-07-05 5320 5 8.94 USGS 01481000 1990-05-30 5600 5 9.18 USGS 01481000 1991-01-12 2950 5 6.40 USGS 01481000 1992-03-27 3210 5 6.73 USGS 01481000 1993-03-05 8110 5 10.91 USGS 01481000 1994-01-28 10100 5 12.00 USGS 01481000 1995-03-09 7430 5 10.32 USGS 01481000 1996-01-20 15100 5 14.23 USGS 01481000 1996-10-19 12500 5 13.31 USGS 01481000 1998-04-02 5150 5 9.24 USGS 01481000 1999-09-17 26900 5 17.15 USGS 01481000 2000-03-22 13700 5 12.71 USGS 01481000 2000-12-17 8400 5 10.65 USGS 01481000 2002-06-07 2380 5 5.66 USGS 01481000 2003-09-15 16700 5 13.74 USGS 01481000 2004-09-29 16300 5 13.62 USGS 01481000 2004-11-28 8180 5 10.36 USGS 01481000 2006-06-28 16400 5 13.65 USGS 01481000 2007-03-02 9050 5 10.89 USGS 01481000 2008-02-13 6030 5 9.02 USGS 01481000 2008-12-12 7060 5 9.67 USGS 01481000 2010-03-14 7600 5 10.00 USGS 01481000 2011-08-28 18300 5 15.23 USGS 01481000 2011-11-23 6760 5 10.13 USGS 01481000 2012-10-30 9400 5 12.19 USGS 01481000 2014-05-01 02:45 22200 5 16.06 USGS 01481000 2015-03-11 07:00 5160 5 8.85 USGS 01481000 2016-02-25 8540 5 11.54 USGS 01481000 2017-04-01 02:30 4650 5 8.40 USGS 01481000 2018-08-13 21:45 8360 5 11.39 USGS 01481000 2018-11-25 10:37 6550 5 9.97 USGS 01481000 2020-08-04 23:30 14200 5 14.33 USGS 01481000 2021-09-02 05:07 49000 5 21.12 USGS 01481000 2022-04-08 05:00 4790 5 8.69