# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-06 21:01:17 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 01600000 NORTH BRANCH POTOMAC RIVER AT PINTO, 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 01600000 1924-03-29 55000 2,7 24.00 USGS 01600000 1936-03-17 50000 2 23.50 USGS 01600000 1937-04-26 32000 2 22.00 USGS 01600000 1937-10-28 36000 2 23.00 USGS 01600000 1939-02-03 20200 16.65 USGS 01600000 1940-04-17 13000 12.95 USGS 01600000 1941-06-04 13800 13.35 USGS 01600000 1942-05-16 12800 12.90 USGS 01600000 1942-10-16 35200 22.87 USGS 01600000 1944-05-07 11500 11.96 USGS 01600000 1945-03-07 13800 13.36 USGS 01600000 1946-06-19 6850 8.88 USGS 01600000 1947-03-15 7750 9.51 USGS 01600000 1948-04-13 13600 13.33 USGS 01600000 1949-07-13 17600 15.34 USGS 01600000 1950-01-31 8950 10.30 USGS 01600000 1951-06-13 16800 6 14.92 USGS 01600000 1952-03-11 11800 6 12.30 2 1951-12-31 13.26 1 USGS 01600000 1953-01-24 8400 6 10.00 USGS 01600000 1954-03-01 13000 6 13.00 USGS 01600000 1954-10-16 37000 6 23.23 USGS 01600000 1956-08-06 16200 6 14.86 USGS 01600000 1957-02-10 15500 6 14.46 USGS 01600000 1958-04-07 11300 6 11.96 USGS 01600000 1959-02-11 6020 6 8.35 USGS 01600000 1960-03-31 14800 6 14.08 USGS 01600000 1961-02-25 14600 6 13.95 USGS 01600000 1962-03-21 12100 6 12.45 USGS 01600000 1963-03-05 20000 6 16.92 USGS 01600000 1964-04-29 19300 6 16.53 USGS 01600000 1965-03-27 7390 6 9.46 USGS 01600000 1966-05-01 11700 6 12.08 USGS 01600000 1967-03-07 20400 6 17.12 USGS 01600000 1968-05-24 16100 6 15.20 USGS 01600000 1969-03-25 5400 6 8.31 USGS 01600000 1970-04-02 13400 6 13.61 USGS 01600000 1970-12-22 11000 6 12.11 USGS 01600000 1972-03-03 8700 6 10.67 USGS 01600000 1972-12-09 16500 6 15.44 USGS 01600000 1973-12-27 10800 6 12.02 USGS 01600000 1975-03-19 10200 6 11.63 USGS 01600000 1976-01-01 8610 6 10.61 USGS 01600000 1976-10-09 12300 6 12.92 USGS 01600000 1978-07-04 24700 6 19.36 USGS 01600000 1979-02-26 12800 6 13.28 USGS 01600000 1980-05-21 9400 6 11.13 USGS 01600000 1981-04-13 7340 6 9.75 USGS 01600000 1982-03-17 9690 6 11.32 USGS 01600000 1983-04-25 11500 6 12.46 USGS 01600000 1984-04-05 13600 6 13.74 USGS 01600000 1985-04-01 5810 6 8.62 USGS 01600000 1985-11-05 17700 6 16.05 USGS 01600000 1987-04-18 6970 6 9.48 USGS 01600000 1988-05-06 12000 6 12.75 USGS 01600000 1989-05-10 9330 6 11.09 USGS 01600000 1990-07-13 9100 6 10.18 USGS 01600000 1990-12-31 5910 6 7.79 USGS 01600000 1992-02-26 4220 6 6.33 USGS 01600000 1993-04-17 12900 6 12.66 USGS 01600000 1994-03-27 9560 6 10.50 USGS 01600000 1995-06-27 15100 6 14.02 USGS 01600000 1996-12-02 7440 6 8.98 USGS 01600000 1998-04-20 9360 6 10.36 USGS 01600000 1999-03-18 3240 6 5.37 USGS 01600000 2000-02-19 7410 6 8.96 USGS 01600000 2001-06-07 13:00 9620 6 10.54 USGS 01600000 2002-05-02 13:30 5800 6 7.70 USGS 01600000 2003-09-19 09:30 12900 6 12.70 USGS 01600000 2004-09-09 00:30 11100 6 11.52 USGS 01600000 2005-03-29 03:00 11800 6 11.99 USGS 01600000 2006-05-15 18:00 6640 6 8.37 USGS 01600000 2007-04-15 23:15 5040 6 7.06 USGS 01600000 2008-05-16 21:00 6760 6 8.46