# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-23 07:49:51 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 01480870 East Branch Brandywine Creek below Downingtown, 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 01480870 1972-06-22 8160 12.40 USGS 01480870 1973-06-29 4800 11.53 USGS 01480870 1973-12-21 2460 6 9.22 USGS 01480870 1975-07-14 3250 6 10.25 USGS 01480870 1976-01-27 1910 6 7.84 USGS 01480870 1977-03-22 2220 6 8.73 USGS 01480870 1978-01-26 4520 6 11.07 USGS 01480870 1979-01-24 5670 6 12.07 USGS 01480870 1980-03-21 2050 6 7.16 USGS 01480870 1981-05-16 1350 6 6.00 USGS 01480870 1982-01-04 3350 6 9.46 USGS 01480870 1983-04-10 3400 6 9.53 USGS 01480870 1984-07-07 5980 6 12.01 USGS 01480870 1985-09-27 4320 6 10.38 USGS 01480870 1986-04-16 1490 6 6.43 USGS 01480870 1987-09-09 3240 6 9.24 USGS 01480870 1988-05-19 3180 6 9.16 USGS 01480870 1989-05-06 2220 6 7.89 USGS 01480870 1990-05-29 2540 6 8.48 USGS 01480870 1991-01-12 1470 6 6.16 USGS 01480870 1992-03-27 1410 6 5.97 USGS 01480870 1993-03-04 3370 6 9.60 USGS 01480870 1993-12-05 4010 6 10.36 USGS 01480870 1995-03-09 3740 6 9.91 USGS 01480870 1996-01-19 6560 6 12.50 USGS 01480870 1996-10-19 6700 6 12.60 USGS 01480870 1998-04-01 3120 6 9.04 USGS 01480870 1999-09-16 7200 6 14.79 USGS 01480870 2000-03-22 4270 6 10.79 USGS 01480870 2000-12-17 4270 6 10.79 USGS 01480870 2002-06-07 1590 6 6.51 USGS 01480870 2003-09-15 6230 6 13.56 USGS 01480870 2004-09-28 5670 6 12.83 USGS 01480870 2004-11-28 4160 6 10.63 USGS 01480870 2006-06-28 6870 6 14.38 USGS 01480870 2007-04-27 4080 6 10.51 USGS 01480870 2008-02-13 2500 6 8.11 USGS 01480870 2009-08-13 3810 6 10.09 USGS 01480870 2009-12-09 3660 6 9.86 USGS 01480870 2011-08-28 6360 6 13.73 USGS 01480870 2011-11-23 3440 6 9.51 USGS 01480870 2013-08-13 5260 6 12.25 USGS 01480870 2014-04-30 21:15 6180 6 13.50 USGS 01480870 2015-03-01 10:20 1840 6 6.98 USGS 01480870 2016-02-25 4480 6 11.10 USGS 01480870 2017-03-31 2290 6 7.76 USGS 01480870 2018-08-13 12:45 4830 6 11.60 USGS 01480870 2018-11-25 02:08 3610 6 9.78 USGS 01480870 2020-08-04 16:30 7180 6 13.59 USGS 01480870 2021-09-01 23:45 21000 6 19.31