# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-28 04:39:35 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 01594440 PATUXENT RIVER NEAR BOWIE, 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 01594440 1972-06-22 31100 5,7 27.90 USGS 01594440 1978-01-27 10600 5 18.04 USGS 01594440 1979-09-07 11500 5 18.52 USGS 01594440 1979-10-11 3940 5 12.06 USGS 01594440 1981-02-24 1640 5 9.60 USGS 01594440 1982-02-04 3380 5 11.53 USGS 01594440 1983-06-21 5750 5 14.28 USGS 01594440 1984-03-30 4340 5 12.58 USGS 01594440 1985-02-13 4730 5 13.07 USGS 01594440 1986-04-16 1520 5 9.43 USGS 01594440 1986-12-25 4060 5 12.21 USGS 01594440 1987-11-30 3510 5 11.65 USGS 01594440 1989-05-07 9190 5 16.84 USGS 01594440 1990-05-30 3140 5 11.44 USGS 01594440 1991-03-24 4750 5 12.95 USGS 01594440 1992-03-27 3200 5 11.50 USGS 01594440 1993-03-05 5550 5 13.76 USGS 01594440 1993-11-29 6960 5 15.05 USGS 01594440 1995-03-09 4100 5 12.32 USGS 01594440 1996-01-20 8280 5 16.14 USGS 01594440 1996-11-09 6900 5 15.00 USGS 01594440 1998-03-10 4840 5 13.04 USGS 01594440 1999-09-17 8200 5 16.07 USGS 01594440 2000-03-22 3640 5 11.90 USGS 01594440 2001-06-08 06:30 3800 5 12.05 USGS 01594440 2002-04-29 1510 2,5,8 USGS 01594440 2003-02-23 19:30 6990 5 15.08 USGS 01594440 2003-12-12 10:45 5790 5 13.99 USGS 01594440 2005-04-03 19:15 5210 5 13.42 USGS 01594440 2006-06-26 23:00 12700 5 19.20 USGS 01594440 2007-04-16 11:15 5520 5 13.73 USGS 01594440 2008-05-13 02:00 7860 5 15.80 USGS 01594440 2009-06-19 05:45 4130 5 12.35 USGS 01594440 2010-03-14 13:00 5780 5 13.98 USGS 01594440 2011-09-08 13:15 16800 5 21.10 USGS 01594440 2011-12-08 20:30 4900 5 13.74 USGS 01594440 2012-10-30 23:00 10800 5 18.02 USGS 01594440 2014-05-01 17:30 15600 5 20.56 USGS 01594440 2015-06-28 18:15 6610 5 15.03 USGS 01594440 2016-08-01 00:30 6140 5 14.64 USGS 01594440 2017-07-30 01:15 4960 5 13.60 USGS 01594440 2018-06-04 18:30 8360 5 16.32 USGS 01594440 2018-12-16 23:30 7220 5 15.50 USGS 01594440 2020-04-14 09:15 4340 5 12.99 USGS 01594440 2020-11-12 17:45 4000 5 13.24 USGS 01594440 2021-10-30 17:45 4590 5 13.74 USGS 01594440 2022-12-16 14:15 3330 5 12.65