# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-21 19:44:44 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 02011490 LITTLE BACK CREEK NEAR SUNRISE, 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 02011490 1985-05-03 254 6 3.50 USGS 02011490 1985-11-04 580 6 4.06 USGS 02011490 1987-04-15 68.0 6 2.78 USGS 02011490 1988-05-06 38.0 6 2.52 USGS 02011490 1989-04-26 216 6 3.40 USGS 02011490 1989-12-31 78.0 6 2.85 USGS 02011490 1991-03-23 77.0 6 2.84 USGS 02011490 1992-04-21 112 6 3.03 USGS 02011490 1993-03-24 100 6 2.97 USGS 02011490 1994-05-08 96.0 6 2.95 USGS 02011490 1995-01-15 80.0 6 2.86 USGS 02011490 1996-01-19 414 6 3.82 USGS 02011490 1997-03-03 78.0 6 2.85 USGS 02011490 1998-01-08 137 6 3.14 USGS 02011490 1999-01-24 39.0 6 2.53 USGS 02011490 2000-02-19 60.0 6 2.72 USGS 02011490 2001-05-22 71.0 6 2.80 USGS 02011490 2002-04-28 52.0 6 2.66 USGS 02011490 2003-02-22 125 6 3.09 USGS 02011490 2003-11-19 185 6 3.31 USGS 02011490 2005-03-28 42.0 6 2.57 USGS 02011490 2006-06-27 121 6 3.07 USGS 02011490 2007-03-02 176 6 3.28 USGS 02011490 2008-03-04 132 6 3.12 USGS 02011490 2009-05-03 43.0 6 2.56 USGS 02011490 2010-01-25 423 6 3.83 USGS 02011490 2011-04-28 131 6 3.10 USGS 02011490 2011-12-07 115 6 3.01 USGS 02011490 2013-01-31 136 6 3.10 USGS 02011490 2014-05-16 122 6 3.04 USGS 02011490 2015-04-04 85.0 6 2.80 USGS 02011490 2016-09-30 338 6 3.63 USGS 02011490 2017-05-25 09:00 63.1 6 2.58 USGS 02011490 2018-04-16 04:45 173 6 3.17 USGS 02011490 2018-12-21 21:30 90.3 6 2.79 USGS 02011490 2020-04-30 09:30 147 6 3.07 USGS 02011490 2021-03-01 00:30 271 6 3.47 USGS 02011490 2022-05-07 07:15 124 6 2.97 USGS 02011490 2023-02-17 09:52 152 6