# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-01 15:42:18 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 01473500 Schuylkill River at Norristown, 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 01473500 1928-07-14 36400 12.10 3 USGS 01473500 1929-02-26 36400 12.10 USGS 01473500 1929-10-02 41200 10.26 USGS 01473500 1931-07-15 42000 10.40 USGS 01473500 1932-03-28 33200 8.83 USGS 01473500 1933-03-22 41000 10.20 USGS 01473500 1983-12-14 42700 62.94 3 USGS 01473500 1985-09-27 40500 62.52 3 USGS 01473500 1986-03-15 20100 57.48 3 USGS 01473500 1987-09-09 35800 61.45 3 USGS 01473500 1988-05-20 27900 59.90 3 USGS 01473500 1989-05-06 30300 60.74 3 USGS 01473500 1990-05-30 29200 60.41 3 USGS 01473500 1990-12-05 15500 55.81 3 USGS 01473500 1992-03-28 14600 55.46 3 USGS 01473500 1993-03-24 30800 60.88 3 USGS 01473500 2002-05-14 31900 13.08 3 USGS 01473500 2003-06-21 56100 16.28 USGS 01473500 2004-09-18 54300 16.00 USGS 01473500 2005-04-03 54600 16.04 USGS 01473500 2006-06-28 78400 19.13 USGS 01473500 2007-04-15 47800 15.11 USGS 01473500 2008-02-13 37800 13.80 USGS 01473500 2008-12-12 40200 14.12 USGS 01473500 2010-03-13 36300 13.60 USGS 01473500 2011-08-28 81400 19.76 USGS 01473500 2011-11-23 37300 14.15 USGS 01473500 2013-01-31 36200 13.99 USGS 01473500 2014-05-01 04:00 90400 20.81 USGS 01473500 2015-03-14 19:45 23900 12.19 USGS 01473500 2016-02-25 37100 14.12 USGS 01473500 2017-04-01 03:00 26500 12.58 USGS 01473500 2018-08-13 22:53 44200 15.10 USGS 01473500 2019-07-12 05:08 54800 16.49 USGS 01473500 2020-08-05 00:08 88400 20.58 USGS 01473500 2021-09-02 06:15 119000 26.88 USGS 01473500 2022-04-08 03:30 34200 13.66 USGS 01473500 2023-07-10 06:38 27700 12.84