# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-01 02:27:35 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 03007800 Allegheny River at Port Allegany, 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 03007800 1975-02-25 7060 12.33 USGS 03007800 1976-02-17 5940 11.45 USGS 03007800 1977-03-13 5260 10.86 USGS 03007800 1977-12-15 4940 10.54 USGS 03007800 1979-03-06 5500 11.08 USGS 03007800 1979-11-27 4730 10.33 USGS 03007800 1981-02-21 7610 12.72 USGS 03007800 1981-10-28 7750 12.82 USGS 03007800 1983-03-21 2530 7.62 USGS 03007800 1984-02-14 7900 12.93 USGS 03007800 1985-02-25 3810 9.26 USGS 03007800 1986-01-20 5380 10.98 USGS 03007800 1987-09-13 3910 9.39 USGS 03007800 1988-03-27 4040 9.58 USGS 03007800 1989-06-21 9060 13.59 USGS 03007800 1990-04-11 4290 10.09 USGS 03007800 1991-03-04 6040 11.62 USGS 03007800 1992-09-22 4160 9.96 USGS 03007800 1993-04-01 6820 12.23 USGS 03007800 1994-08-18 6210 11.76 USGS 03007800 1995-01-21 3130 8.73 USGS 03007800 1996-01-19 12600 15.37 USGS 03007800 1996-11-09 5610 11.26 USGS 03007800 1998-01-09 6480 11.98 USGS 03007800 1999-01-24 5940 11.53 USGS 03007800 2000-02-28 3840 9.64 USGS 03007800 2001-04-10 4460 10.26 USGS 03007800 2002-05-14 3760 9.56 USGS 03007800 2003-03-22 4670 11.02 USGS 03007800 2004-09-18 6460 12.60 USGS 03007800 2005-01-14 4730 11.24 USGS 03007800 2005-11-30 6650 12.74 USGS 03007800 2007-03-15 7560 13.02 USGS 03007800 2008-02-07 6170 12.12 USGS 03007800 2009-03-09 4660 10.92 USGS 03007800 2010-01-26 8530 13.38 USGS 03007800 2010-12-01 12200 14.92 USGS 03007800 2012-05-08 1740 6.85 USGS 03007800 2013-01-31 4920 11.24 USGS 03007800 2014-06-26 06:00 5300 11.52 USGS 03007800 2015-09-30 16:00 4820 11.16 USGS 03007800 2015-10-01 4370 10.81 USGS 03007800 2017-01-13 5510 11.67 USGS 03007800 2018-01-13 01:00 6570 12.41 USGS 03007800 2018-12-22 11:30 3990 10.45 USGS 03007800 2019-11-01 05:00 4990 11.29 USGS 03007800 2021-08-19 19:45 5790 11.87 USGS 03007800 2022-02-18 19:30 5610 11.74