# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-16 08:59:02 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 01591610 PATUXENT RIVER BELOW BRIGHTON DAM NEAR BRIGHTON,MD # # 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 01591610 1972-06-22 17800 5,7 USGS 01591610 1981-07-07 750 6 6.92 1 USGS 01591610 1982-03-01 804 6 4.26 USGS 01591610 1983-04-01 1020 6 5.10 USGS 01591610 1983-12-01 1280 6 6.02 USGS 01591610 1985-01-02 783 6 4.18 USGS 01591610 1986-04-17 286 6 2.52 USGS 01591610 1987-07-02 773 6 4.14 USGS 01591610 1987-10-21 1010 6 5.02 USGS 01591610 1989-05-06 2650 6 10.26 USGS 01591610 1989-11-20 692 6 3.73 USGS 01591610 1991-01-02 1140 6 5.31 USGS 01591610 1992-03-28 623 6 3.51 USGS 01591610 1993-04-19 949 6 4.61 USGS 01591610 1993-12-05 1140 6 5.31 USGS 01591610 1995-01-20 838 6 4.19 USGS 01591610 1996-09-09 1870 6 7.82 USGS 01591610 1996-12-15 481 6 3.09 USGS 01591610 1998-05-09 566 6 3.34 USGS 01591610 1999-04-08 370 6 2.80 USGS 01591610 2000-03-27 303 6 2.61 USGS 01591610 2001-06-23 08:15 562 6 3.33 USGS 01591610 2001-10-19 19:15 105 6 2.02 USGS 01591610 2003-06-14 03:00 1920 6 7.23 USGS 01591610 2003-12-11 11:15 4800 6 11.03 USGS 01591610 2005-04-03 18:45 599 6 3.44 USGS 01591610 2006-06-27 05:30 1060 6 4.92 USGS 01591610 2007-01-07 12:45 599 6 3.44 USGS 01591610 2008-05-12 15:00 381 6 2.83 USGS 01591610 2009-06-04 16:30 359 6 2.77 USGS 01591610 2009-12-26 20:30 816 6 4.09 USGS 01591610 2011-04-18 15:00 464 6 3.04 USGS 01591610 2011-11-23 11:00 425 6 2.94 USGS 01591610 2013-01-31 08:00 8600 6 11.88 USGS 01591610 2014-04-30 22:30 7920 6 11.41 USGS 01591610 2015-06-28 01:15 4980 6 9.22 USGS 01591610 2016-02-03 19:45 509 6 3.17 USGS 01591610 2017-05-15 21:00 595 6 3.40 USGS 01591610 2018-06-04 02:15 756 6 3.81 USGS 01591610 2018-12-16 09:15 1710 6 5.67 USGS 01591610 2020-06-02 11:00 793 6 3.90 USGS 01591610 2021-03-02 08:30 1370 6 5.13 USGS 01591610 2022-05-23 12:15 539 6 3.20 USGS 01591610 2023-03-02 09:15 455 6