# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-02 06:06:22 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 01480685 Marsh Creek near 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 01480685 1973-06-30 258 6 3.11 USGS 01480685 1973-10-29 120 6 2.66 USGS 01480685 1975-07-15 164 6 2.83 USGS 01480685 1976-02-09 423 6 3.46 USGS 01480685 1977-04-13 137 6 2.73 USGS 01480685 1978-01-13 322 6 3.26 USGS 01480685 1979-01-26 544 6 3.66 USGS 01480685 1980-05-01 134 6 2.72 USGS 01480685 1981-08-25 217 6 3.00 USGS 01480685 1982-06-18 692 6 3.89 USGS 01480685 1982-12-27 492 6 3.58 USGS 01480685 1983-12-14 560 6 3.70 USGS 01480685 1984-12-10 349 6 3.32 USGS 01480685 1986-04-18 335 6 3.29 USGS 01480685 1986-12-16 369 6 3.36 USGS 01480685 1988-01-04 450 6 3.51 USGS 01480685 1989-05-08 387 6 3.40 USGS 01480685 1989-11-20 461 6 3.53 USGS 01480685 1991-01-14 431 6 3.48 USGS 01480685 1991-12-27 420 6 3.46 USGS 01480685 1992-12-14 467 6 3.54 USGS 01480685 1993-12-07 467 6 3.54 USGS 01480685 1995-03-13 361 6 3.35 USGS 01480685 1996-01-29 371 6 3.37 USGS 01480685 1996-12-09 485 6 3.57 USGS 01480685 1997-11-18 366 6 3.36 USGS 01480685 1999-09-19 173 6 2.88 USGS 01480685 2000-03-26 268 6 3.15 USGS 01480685 2001-05-27 134 6 2.74 USGS 01480685 2002-09-24 369 6 3.37 USGS 01480685 2003-09-17 523 6 3.63 USGS 01480685 2003-10-31 199 6 2.93 USGS 01480685 2005-01-12 249 6 3.09 USGS 01480685 2006-06-28 406 6 3.44 USGS 01480685 2007-05-03 590 6 3.73 USGS 01480685 2007-12-11 437 6 3.55 USGS 01480685 2009-08-06 481 6 3.64 USGS 01480685 2010-03-11 180 6 2.88 USGS 01480685 2011-09-01 501 6 3.68 USGS 01480685 2011-12-05 476 6 3.63 USGS 01480685 2012-10-18 461 6 3.60 USGS 01480685 2014-05-05 11:15 583 6 3.83 USGS 01480685 2015-03-25 13:00 432 6 3.54 USGS 01480685 2016-03-03 10:00 471 6 3.62 USGS 01480685 2016-11-09 437 6 3.55 USGS 01480685 2018-05-24 09:15 481 6 3.64 USGS 01480685 2018-11-28 14:45 560 6 3.79 USGS 01480685 2019-12-19 12:09 512 6 3.70 USGS 01480685 2021-01-07 11:37 533 6 3.74 USGS 01480685 2021-11-04 10:07 461 6 3.60