# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-17 23:32:11 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 01639000 MONOCACY RIVER AT BRIDGEPORT, 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 01639000 1933-08-24 23000 2,7 25.00 1889 USGS 01639000 1942-08-14 8830 13.92 3 USGS 01639000 1943-05-21 15000 20.53 3 USGS 01639000 1943-11-09 12400 18.10 3 USGS 01639000 1944-12-12 7140 12.55 3 USGS 01639000 1946-06-02 11300 16.01 6 USGS 01639000 1947-05-22 6770 12.23 USGS 01639000 1948-01-02 8090 13.38 USGS 01639000 1949-07-18 8920 14.12 USGS 01639000 1950-03-23 7100 12.51 USGS 01639000 1950-12-04 10600 15.52 USGS 01639000 1952-03-11 11600 16.15 USGS 01639000 1952-11-22 9230 14.36 USGS 01639000 1954-03-01 4020 9.28 USGS 01639000 1955-03-22 8390 13.66 USGS 01639000 1956-03-14 6020 11.47 USGS 01639000 1956-12-14 5350 10.80 USGS 01639000 1957-12-21 9160 14.30 USGS 01639000 1959-03-06 5410 10.86 USGS 01639000 1960-04-04 6160 11.61 USGS 01639000 1961-04-13 6260 11.71 USGS 01639000 1962-02-26 5380 10.83 USGS 01639000 1963-03-06 7230 12.62 USGS 01639000 1964-01-09 6540 11.99 USGS 01639000 1965-03-05 10100 15.07 USGS 01639000 1966-09-15 10300 15.20 USGS 01639000 1967-03-07 9580 14.65 USGS 01639000 1968-05-28 7320 12.70 USGS 01639000 1969-08-04 4270 9.59 USGS 01639000 1970-07-10 13200 17.43 USGS 01639000 1971-02-13 6880 12.30 USGS 01639000 1972-06-22 21300 24.05 USGS 01639000 1973-09-15 5060 12.32 USGS 01639000 1974-03-31 5770 13.25 USGS 01639000 1975-09-26 13600 20.14 USGS 01639000 1975-11-12 6440 14.05 USGS 01639000 1976-10-09 19200 23.18 USGS 01639000 1978-01-26 6460 14.08 USGS 01639000 1979-09-06 13600 17.41 USGS 01639000 1980-03-22 9850 14.66 USGS 01639000 1981-02-11 6910 12.18 USGS 01639000 1982-06-13 6330 11.64 USGS 01639000 1983-04-10 10000 14.81 USGS 01639000 1984-02-14 11700 16.07 USGS 01639000 1985-02-12 9970 14.76 USGS 01639000 1986-03-15 7730 12.91 USGS 01639000 1986-12-25 8110 13.24 USGS 01639000 1987-11-29 12800 16.85 USGS 01639000 1989-06-23 9950 14.74 USGS 01639000 1990-01-30 8550 13.61 USGS 01639000 1990-10-23 8900 13.90 USGS 01639000 1992-04-22 7080 12.33 USGS 01639000 1992-11-23 10600 15.92 USGS 01639000 1993-11-28 15000 18.38 USGS 01639000 1995-01-20 11000 15.54 USGS 01639000 1996-06-19 24400 25.42 USGS 01639000 1996-12-13 8930 14.56 USGS 01639000 1998-01-08 19:30 9890 15.38 USGS 01639000 1999-09-30 10:00 6330 12.11 USGS 01639000 2000-03-22 02:30 7790 13.53 USGS 01639000 2000-12-17 11:00 8760 14.41 USGS 01639000 2002-03-20 18:30 3600 9.06 USGS 01639000 2003-09-23 12:15 10600 16.00 USGS 01639000 2003-12-11 12:15 11500 16.69 USGS 01639000 2005-04-02 21:00 8990 14.61 USGS 01639000 2006-06-28 07:15 8980 14.60 USGS 01639000 2007-03-02 10:45 8600 13.80 USGS 01639000 2008-05-12 10:15 7860 13.11 USGS 01639000 2008-12-12 06:00 9730 14.80 USGS 01639000 2010-01-25 18:15 11100 15.95 USGS 01639000 2011-04-17 03:45 17000 20.47 USGS 01639000 2011-11-23 08:30 10400 15.40 USGS 01639000 2012-10-30 11400 16.25 USGS 01639000 2014-05-16 15:30 11600 15.55 USGS 01639000 2015-06-28 00:30 11800 15.78 USGS 01639000 2016-02-25 01:15 9360 13.63 USGS 01639000 2017-05-05 17:45 5880 10.80 USGS 01639000 2018-07-22 10:30 11000 15.33 USGS 01639000 2019-03-22 04:00 8080 12.85 USGS 01639000 2020-04-30 23:00 9160 14.06 USGS 01639000 2021-09-02 14600 18.84 USGS 01639000 2022-05-07 13:00 9240 13.87 USGS 01639000 2022-12-23 08:15 8720 13.42 USGS 01639000 2024-01-10 04:00 11800 15.99