# # U.S. Geological Survey # National Water Information System # Retrieved: 2025-01-08 09:28:45 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 01492000 BEAVERDAM BRANCH AT MATTHEWS, 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 01492000 1950-09-11 181 3.32 USGS 01492000 1950-11-25 148 3.01 USGS 01492000 1952-09-01 276 4.11 USGS 01492000 1953-05-20 222 3.66 USGS 01492000 1954-04-28 133 2.85 USGS 01492000 1955-08-12 476 5.19 USGS 01492000 1956-03-14 109 2.60 USGS 01492000 1956-11-02 1020 7.15 USGS 01492000 1958-07-31 1050 7.24 USGS 01492000 1959-07-27 231 3.74 USGS 01492000 1960-09-12 2200 10.24 USGS 01492000 1961-01-01 251 3.89 USGS 01492000 1962-04-08 162 3.15 USGS 01492000 1963-03-12 307 4.29 USGS 01492000 1964-02-19 116 2.70 USGS 01492000 1965-08-26 545 5.48 USGS 01492000 1966-06-08 181 3.32 USGS 01492000 1967-08-04 693 6.06 USGS 01492000 1968-05-28 269 4.02 USGS 01492000 1969-08-20 180 3.31 USGS 01492000 1970-06-21 238 3.79 USGS 01492000 1971-08-27 562 5.55 USGS 01492000 1972-06-22 357 4.58 USGS 01492000 1973-02-02 441 5.03 USGS 01492000 1973-12-21 150 3.03 USGS 01492000 1975-07-14 301 4.24 USGS 01492000 1976-01-01 201 3.50 USGS 01492000 1976-12-07 76.0 2.21 USGS 01492000 1978-07-25 804 6.43 USGS 01492000 1979-02-25 674 5.97 USGS 01492000 1979-10-10 159 3.17 USGS 01492000 1981-05-11 190 3.40 USGS 01492000 2009-12-09 10:00 630 6.00 USGS 01492000 2011-08-28 00:15 1980 9.73