# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-11 18:43:05 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 0148471320 BIRCH BRANCH AT SHOWELL, 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 0148471320 2000-03-22 01:15 563 9.38 USGS 0148471320 2001-03-21 17:45 203 8.98 USGS 0148471320 2002-09-01 17:15 250 7.73 USGS 0148471320 2003-04-11 05:00 498 8.50 USGS 0148471320 2003-12-14 17:00 715 9.04 USGS 0148471320 2005-04-02 18:45 649 8.89 USGS 0148471320 2006-09-01 23:00 185 7.48 USGS 0148471320 2006-11-12 22:00 513 8.54 USGS 0148471320 2008-05-12 21:45 217 7.61 USGS 0148471320 2008-12-12 02:45 780 9.18 USGS 0148471320 2009-11-12 21:15 944 9.50 USGS 0148471320 2011-08-28 04:30 729 9.07 USGS 0148471320 2012-08-26 02:00 1370 10.66 1 USGS 0148471320 2012-10-29 19:30 1040 10.16 1 USGS 0148471320 2014-02-13 11:30 222 7.94 1 USGS 0148471320 2015-01-24 08:45 244 8.05 1 USGS 0148471320 2016-09-29 20:15 738 9.63 USGS 0148471320 2017-08-12 13:00 1290 10.18 USGS 0148471320 2018-05-18 16:00 782 9.46 USGS 0148471320 2018-10-12 04:30 698 9.30 USGS 0148471320 2020-07-10 16:45 327 8.21 USGS 0148471320 2020-12-05 07:00 1120 9.97 USGS 0148471320 2022-05-16 23:30 202 7.49 USGS 0148471320 2023-07-16 18:15 1010 9.67