# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-17 18:49:42 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 03168750 THORNE SPRINGS BRANCH NEAR DUBLIN, VA # # 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 03168750 1957-06-27 212 2.56 USGS 03168750 1958-05-17 374 2.99 USGS 03168750 1959-01-21 40.0 1.51 USGS 03168750 1960-04-03 124 2.21 USGS 03168750 1961-02-12 22.0 1.21 USGS 03168750 1962-08-22 150 2.33 USGS 03168750 1962-10-14 170 2.41 USGS 03168750 1964-01-09 90.0 2.03 USGS 03168750 1965-02-07 16.0 1.08 USGS 03168750 1966-08-11 153 2.34 USGS 03168750 1967-08-24 46.0 1.59 USGS 03168750 1968-07-13 144 2.30 USGS 03168750 1969-02-10 15.0 1.04 USGS 03168750 1969-12-30 98.0 2.08 USGS 03168750 1971-02-13 160 2.37 USGS 03168750 1972-06-21 26.0 1.27 USGS 03168750 1973-05-28 2200 8.01 USGS 03168750 1974-05-12 85.0 1.99 USGS 03168750 1974-12-01 720 3.65 USGS 03168750 1975-10-17 525 3.29 USGS 03168750 1977-04-04 219 2.58 USGS 03168750 1978-04-26 114 2.17 USGS 03168750 1979-02-25 72.0 1.87 USGS 03168750 1980-04-14 101 2.10 USGS 03168750 1981-02-09 41.0 1.52 USGS 03168750 1982-02-03 69.0 1.84 USGS 03168750 1983-04-10 46.0 1.59 USGS 03168750 1984-05-07 24.0 1.25 USGS 03168750 1985-02-02 4.70 0.57 USGS 03168750 1986-07-27 219 2.58 USGS 03168750 1987-04-25 165 2.39 USGS 03168750 1988-09-17 30.0 1.37 USGS 03168750 1989-09-22 198 2.51 USGS 03168750 1990-05-29 73.0 1.88 USGS 03168750 1991-01-12 8.40 0.82 USGS 03168750 1992-06-05 10.9 0.93 USGS 03168750 1993-03-23 246 2.66 USGS 03168750 1994-04-30 99.0 2.09 USGS 03168750 1995-07-07 3760 7.41 USGS 03168750 1996-01-19 170 2.41 USGS 03168750 1997-06-03 71.0 1.86 USGS 03168750 1998-03-21 127 2.23 USGS 03168750 1999-05-14 4.90 0.59 USGS 03168750 2000-04-18 57.4 1.72 USGS 03168750 2001-05-17 8.78 0.84 USGS 03168750 2002-09-28 20.6 1.18 USGS 03168750 2003-02-22 235 2.63 USGS 03168750 2003-11-19 18.3 1.13 USGS 03168750 2005-03-28 19.7 1.16 USGS 03168750 2006-06-27 32.0 1.40