# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-27 03:06:53 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 01651000 NORTHWEST BR ANACOSTIA RIVER NR HYATTSVILLE, 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 01651000 1933-08-24 13.50 USGS 01651000 1939-04-26 1880 6.03 USGS 01651000 1940-04-20 1750 6.48 USGS 01651000 1941-07-13 1050 5.11 USGS 01651000 1942-08-09 2180 9.52 USGS 01651000 1942-10-16 2280 9.92 USGS 01651000 1943-11-09 2000 8.82 USGS 01651000 1945-07-27 2300 10.02 USGS 01651000 1946-06-29 1300 6.41 USGS 01651000 1947-09-06 1300 6.37 USGS 01651000 1948-08-03 1900 8.37 USGS 01651000 1949-05-23 1650 7.48 USGS 01651000 1950-09-10 2280 9.86 USGS 01651000 1951-06-13 2130 9.03 USGS 01651000 1952-09-01 3360 11.40 USGS 01651000 1952-11-22 2710 10.16 USGS 01651000 1954-06-15 2980 10.69 USGS 01651000 1955-08-22 2930 11.19 USGS 01651000 1955-10-14 3010 11.32 USGS 01651000 1957-06-05 1550 9.16 USGS 01651000 1958-07-22 3590 11.67 USGS 01651000 1959-08-08 4170 12.12 USGS 01651000 1960-08-04 3180 11.31 USGS 01651000 1961-04-13 2210 9.68 USGS 01651000 1962-05-31 1810 8.82 USGS 01651000 1963-08-20 3200 11.00 USGS 01651000 1963-11-06 1700 8.60 USGS 01651000 1965-03-05 2390 9.82 USGS 01651000 1966-09-14 7000 13.50 USGS 01651000 1967-08-25 5030 12.67 USGS 01651000 1968-01-14 1900 8.38 USGS 01651000 1969-08-10 6050 13.20 USGS 01651000 1970-07-09 3220 10.53 USGS 01651000 1971-08-27 2510 9.12 USGS 01651000 1972-06-22 18000 14.47 USGS 01651000 1973-08-20 3200 6.63 2 1972-10-28 6.89 USGS 01651000 1974-03-30 2640 6.22 USGS 01651000 1975-09-26 14800 11.17 USGS 01651000 1976-09-16 5540 6.59 USGS 01651000 1976-10-25 3620 5.36 USGS 01651000 1978-01-26 4440 5.91 USGS 01651000 1979-09-06 12000 9.40 USGS 01651000 1979-10-01 3780 5.27 USGS 01651000 1981-06-14 2060 4.00 USGS 01651000 1982-05-28 2470 4.34 USGS 01651000 1983-04-15 2230 4.14 USGS 01651000 1984-03-29 1930 3.89 USGS 01651000 1985-07-12 3520 5.57 USGS 01651000 1986-08-08 7390 7.39 USGS 01651000 1986-12-24 4030 5.86 USGS 01651000 1988-08-06 2190 4.70 USGS 01651000 1989-05-05 6620 7.08 USGS 01651000 1990-08-05 3570 5.60 USGS 01651000 1991-07-25 4900 6.31 USGS 01651000 1992-07-21 4980 6.35 USGS 01651000 1992-11-23 1930 4.50 USGS 01651000 1993-11-28 8340 7.79 USGS 01651000 1995-07-07 4340 5.63 USGS 01651000 1996-09-06 6650 6.94 USGS 01651000 1997-05-25 5500 6.31 USGS 01651000 1998-03-09 07:15 2560 4.44 USGS 01651000 1999-09-16 14:30 4570 5.77 USGS 01651000 2000-08-27 19:00 2150 4.10 USGS 01651000 2001-08-23 21:45 3010 4.77 USGS 01651000 2002-09-01 09:45 1710 3.68 USGS 01651000 2003-09-23 09:45 7230 7.24 USGS 01651000 2004-07-27 23:00 9310 8.24 USGS 01651000 2005-07-15 16:30 5000 6.20 USGS 01651000 2006-06-26 03:15 13900 10.50 USGS 01651000 2007-04-15 13:00 2950 5.14 USGS 01651000 2008-05-12 01:15 4210 5.83 USGS 01651000 2009-05-26 06:15 9290 8.23 USGS 01651000 2010-09-30 12:30 4210 5.83 USGS 01651000 2011-08-28 01:45 2450 4.82 USGS 01651000 2011-12-07 22:15 2920 5.12 USGS 01651000 2012-10-29 21:45 5770 6.53 USGS 01651000 2014-04-30 22:00 7220 R 9.42 USGS 01651000 2015-06-27 17:15 3650 R 6.84 USGS 01651000 2016-02-24 19:45 3710 R 6.86 USGS 01651000 2017-07-29 01:30 5250 R 8.10 USGS 01651000 2018-09-07 19:00 5890 R 8.55 USGS 01651000 2018-12-15 23:15 3160 R 6.21 USGS 01651000 2020-09-10 15:15 10800 11.28 USGS 01651000 2021-08-20 09:00 4130 7.31 USGS 01651000 2022-07-03 01:45 9410 10.66 USGS 01651000 2023-08-08 00:30 2900 5.98