# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-29 02:53:50 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 01603000 NORTH BRANCH POTOMAC RIVER NEAR CUMBERLAND, 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 01603000 1889-06-01 89000 2,7 29.20 1889 USGS 01603000 1924-03-29 82000 2,7 28.40 USGS 01603000 1929-10-03 11000 2 USGS 01603000 1931-05-13 13500 2 13.00 5 USGS 01603000 1932-05-13 28200 19.20 USGS 01603000 1933-03-14 23400 17.80 USGS 01603000 1934-01-07 16800 14.60 USGS 01603000 1935-01-22 12800 12.50 USGS 01603000 1936-03-17 88200 29.10 USGS 01603000 1937-04-26 51700 24.20 USGS 01603000 1937-10-28 57400 25.10 USGS 01603000 1939-02-04 21500 16.75 USGS 01603000 1940-04-20 16800 14.57 USGS 01603000 1941-06-04 20800 16.54 USGS 01603000 1942-04-10 16800 14.58 USGS 01603000 1942-10-15 50500 24.04 USGS 01603000 1944-05-07 15300 13.75 USGS 01603000 1945-02-27 18200 15.30 USGS 01603000 1946-06-20 8610 10.05 USGS 01603000 1947-03-15 9460 10.49 USGS 01603000 1948-04-13 19600 16.00 USGS 01603000 1948-12-16 18600 15.50 USGS 01603000 1950-03-28 11900 12.06 USGS 01603000 1951-06-13 23100 5 17.65 USGS 01603000 1952-03-11 20700 5 16.69 USGS 01603000 1953-01-24 11500 5 12.05 USGS 01603000 1954-03-01 19000 5 15.96 USGS 01603000 1954-10-16 38500 5 23.85 USGS 01603000 1956-08-06 16500 5 14.82 USGS 01603000 1957-02-10 18700 5 16.00 USGS 01603000 1958-05-06 17200 5 15.19 USGS 01603000 1959-02-11 7630 5 8.88 USGS 01603000 1960-05-08 22200 5 17.36 USGS 01603000 1961-02-26 25300 5 18.84 USGS 01603000 1962-03-21 20300 5 16.15 USGS 01603000 1963-03-05 23500 5 17.96 USGS 01603000 1964-04-29 26600 5 19.48 USGS 01603000 1965-03-05 9550 5 9.70 USGS 01603000 1966-02-14 14700 5 12.92 USGS 01603000 1967-03-07 25400 5 18.91 USGS 01603000 1968-05-24 20000 5 16.00 USGS 01603000 1969-03-25 7260 5 8.10 USGS 01603000 1970-04-02 22200 5 17.25 USGS 01603000 1971-02-23 13600 5 12.31 USGS 01603000 1972-06-23 17400 5 14.55 USGS 01603000 1972-12-09 19400 5 15.66 USGS 01603000 1974-01-11 13900 5 12.47 USGS 01603000 1975-03-19 18900 5 15.39 USGS 01603000 1976-01-01 11300 5 10.87 USGS 01603000 1976-10-09 18200 5 15.00 USGS 01603000 1978-07-04 23500 5 17.85 USGS 01603000 1979-03-06 20400 5 16.19 USGS 01603000 1980-05-21 13700 5 12.25 USGS 01603000 1981-04-13 13900 5 12.35 USGS 01603000 1982-03-17 13100 6 11.89 USGS 01603000 1983-04-25 15100 6 13.08 USGS 01603000 1984-04-05 23100 6 17.60 USGS 01603000 1985-04-01 8780 6 9.17 USGS 01603000 1985-11-05 25500 6 18.85 USGS 01603000 1987-04-17 9620 6 9.72 USGS 01603000 1988-05-07 15000 6 13.06 USGS 01603000 1989-05-10 13600 6 12.17 USGS 01603000 1990-07-14 9600 6 9.71 USGS 01603000 1990-10-23 12400 6 11.47 USGS 01603000 1992-02-26 6430 6 7.32 USGS 01603000 1993-04-16 25900 6 19.05 USGS 01603000 1994-03-25 14900 6 12.96 USGS 01603000 1995-06-28 14200 6 12.56 USGS 01603000 1996-01-19 59200 6 25.56 USGS 01603000 1996-12-02 14800 6 12.91 USGS 01603000 1998-04-20 14800 6 12.91 USGS 01603000 1999-04-11 8900 6 9.40 USGS 01603000 2000-02-19 12100 6 11.31 USGS 01603000 2001-06-07 15:30 10900 6 10.63 USGS 01603000 2002-04-29 02:30 7740 6 8.55 USGS 01603000 2003-09-19 13:30 16300 6 13.81 USGS 01603000 2004-09-09 04:00 19600 6 15.54 USGS 01603000 2005-03-29 05:00 24100 6 17.88 USGS 01603000 2005-11-30 01:30 10200 6 10.24 USGS 01603000 2007-04-15 19:15 9080 6 9.52 USGS 01603000 2008-03-05 09:00 12800 6 11.71 USGS 01603000 2009-05-05 00:45 23500 6 17.43 USGS 01603000 2010-03-13 21:45 23500 6 17.46 USGS 01603000 2011-05-18 15:45 21800 6 16.53 USGS 01603000 2012-03-01 03:45 9510 6 9.28 USGS 01603000 2012-10-30 05:00 15200 6 12.78 USGS 01603000 2014-05-16 15:00 15200 6 12.78 USGS 01603000 2015-06-28 06:15 13300 6 11.83 USGS 01603000 2016-02-03 21:45 8350 6 8.78 USGS 01603000 2017-05-05 16:45 12100 6 11.08 USGS 01603000 2018-09-10 00:45 25100 6 18.51 USGS 01603000 2018-12-16 08:00 14500 6 12.55 USGS 01603000 2020-04-30 18:15 13400 6 11.90 USGS 01603000 2021-09-01 21:45 24800 6 18.34 USGS 01603000 2022-05-07 19:30 16600 6 13.83 USGS 01603000 2023-03-04 06:45 5500 6 6.70