# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-28 13:44:38 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 01638420 N F CATOCTIN CREEK AT RT 681 NEAR WATERFORD, 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 01638420 2002-03-20 67.0 3.01 USGS 01638420 2003-09-23 2150 10.91 USGS 01638420 2004-09-28 2170 10.97 USGS 01638420 2005-01-14 1120 7.59 USGS 01638420 2005-11-29 868 6.49 USGS 01638420 2006-11-16 282 4.11 USGS 01638420 2008-05-12 1650 9.53 USGS 01638420 2008-12-12 268 4.05 USGS 01638420 2010-01-25 1320 8.40 USGS 01638420 2011-04-17 1380 8.62 USGS 01638420 2011-12-08 703 5.79 USGS 01638420 2012-10-30 1830 10.06 USGS 01638420 2014-05-16 1850 10.14 USGS 01638420 2015-09-29 1220 7.91 USGS 01638420 2015-12-25 666 5.63 USGS 01638420 2017-07-29 07:30 1470 8.83 USGS 01638420 2018-05-17 08:15 1640 9.44 USGS 01638420 2019-03-22 04:15 1460 8.79 USGS 01638420 2020-08-07 02:37 786 6.61 USGS 01638420 2021-09-01 15:30 795 6.65 USGS 01638420 2022-05-07 15:00 342 4.49 USGS 01638420 2022-12-23 04:45 807 6.70