# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-20 06:26:50 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 01592500 PATUXENT RIV NEAR LAUREL, 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 01592500 1945-08-01 3430 6 8.78 3 USGS 01592500 1945-12-06 1640 6 5.38 3 USGS 01592500 1947-05-01 1300 6 4.52 3 USGS 01592500 1948-02-15 1640 6 5.37 3 USGS 01592500 1948-12-30 2000 6 6.44 3 USGS 01592500 1950-03-23 1640 6 5.41 3 USGS 01592500 1950-11-25 3220 6 7.57 3 USGS 01592500 1952-09-01 5200 6 10.47 3 USGS 01592500 1952-11-22 4150 6 8.98 3 USGS 01592500 1953-12-14 620 6 3.23 3 USGS 01592500 1955-08-13 5160 6 10.43 3 USGS 01592500 1956-07-21 11800 6 18.90 3,6 USGS 01592500 1957-04-06 1980 6 8.01 6 USGS 01592500 1958-07-08 5130 6 12.26 USGS 01592500 1959-03-12 168 6 3.47 USGS 01592500 1960-04-05 992 6 5.98 USGS 01592500 1961-04-13 2790 6 9.32 USGS 01592500 1962-03-13 1820 6 7.75 USGS 01592500 1962-10-11 100 6 3.16 USGS 01592500 1964-01-25 600 6 4.90 USGS 01592500 1965-04-01 175 6 3.50 USGS 01592500 1965-11-23 182 6 3.53 USGS 01592500 1967-08-28 2780 6 9.30 USGS 01592500 1968-01-14 1000 6 6.00 USGS 01592500 1968-10-23 40.0 6 2.47 2 1969-08-18 3.56 1 USGS 01592500 1970-04-14 4740 6 12.69 USGS 01592500 1971-09-12 12000 6 18.50 USGS 01592500 1972-06-22 26000 6 25.00 USGS 01592500 1973-04-03 990 6 7.50 USGS 01592500 1973-12-21 1070 6 7.70 USGS 01592500 1975-09-26 17000 6 19.84 USGS 01592500 1976-01-01 3770 6 10.43 USGS 01592500 1977-04-06 981 6 8.15 USGS 01592500 1978-01-26 5680 6 12.34 USGS 01592500 1979-09-06 3710 6 10.57 USGS 01592500 1979-10-04 1640 6 8.96 USGS 01592500 1980-10-03 1830 6 USGS 01592500 1982-06-16 630 6 6.92 USGS 01592500 1983-04-16 1620 6 8.40 USGS 01592500 1983-12-14 2370 6 9.18 USGS 01592500 1984-12-20 1290 6 8.00 USGS 01592500 1986-04-29 654 6 7.05 USGS 01592500 1987-04-07 901 6 7.43 USGS 01592500 1987-11-16 995 6 7.57 USGS 01592500 1989-05-07 5110 6 11.81 USGS 01592500 1989-11-21 1100 6 7.75 USGS 01592500 1991-01-18 1040 6 7.66 USGS 01592500 1992-05-06 159 6 5.51 USGS 01592500 1993-04-19 1270 6 7.99 USGS 01592500 1994-02-22 1520 6 8.32 USGS 01592500 1994-11-23 100 6 5.22 USGS 01592500 1996-07-12 1660 6 8.49 USGS 01592500 1996-12-16 1210 6 7.94 USGS 01592500 1998-03-23 1420 6 8.19 USGS 01592500 1999-09-16 201 6 5.71 USGS 01592500 2000-03-27 783 6 7.22 USGS 01592500 2001-06-23 12:30 1220 6 7.93 USGS 01592500 2002-07-01 09:45 473 6 6.56 USGS 01592500 2003-06-07 20:15 2420 6 9.29 USGS 01592500 2003-12-11 15:00 4900 6 11.71 USGS 01592500 2005-04-01 03:15 973 6 7.55 USGS 01592500 2006-06-27 05:45 4580 6 11.40 USGS 01592500 2007-03-01 14:45 973 6 7.55 USGS 01592500 2008-05-15 22:45 531 6 6.70 USGS 01592500 2009-06-11 11:45 1110 6 7.76 USGS 01592500 2010-01-24 12:30 1060 6 7.68 USGS 01592500 2011-03-09 16:15 973 6 7.50 USGS 01592500 2012-01-20 804 6 7.17 USGS 01592500 2013-01-31 15:00 5770 6 12.52 USGS 01592500 2014-05-01 01:45 8210 6 14.80 USGS 01592500 2015-06-28 07:15 1490 6 8.41 USGS 01592500 2016-02-26 09:15 659 6 6.95 USGS 01592500 2017-04-05 11:00 305 6 5.98 USGS 01592500 2018-06-04 00:30 2450 6 9.69 USGS 01592500 2018-12-16 15:00 2700 6 10.40 USGS 01592500 2020-08-02 18:45 571 6 6.80 USGS 01592500 2021-03-18 08:00 647 6 6.96 USGS 01592500 2022-05-29 16:00 544 6 6.74 USGS 01592500 2023-03-22 11:45 146 6 5.41