# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-01 00:46:01 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 01583600 BEAVERDAM RUN AT COCKEYSVILLE, 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 01583600 1956-07-21 3950 7 USGS 01583600 1983-04-15 962 6.68 USGS 01583600 1984-07-01 3370 12.10 USGS 01583600 1985-02-12 1950 9.34 USGS 01583600 1986-04-15 473 4.59 USGS 01583600 1986-12-24 823 6.15 USGS 01583600 1988-07-23 965 6.69 USGS 01583600 1989-05-06 650 8 11.20 1 USGS 01583600 1990-07-12 810 6.07 2 1990-06-03 6.15 1 USGS 01583600 1990-11-10 757 5.86 USGS 01583600 1992-03-26 538 4.87 USGS 01583600 1993-03-04 889 6.40 USGS 01583600 1993-11-28 1820 10.22 USGS 01583600 1995-07-17 1570 9.22 USGS 01583600 1996-01-19 1470 8.80 USGS 01583600 1996-11-08 1270 7.96 USGS 01583600 1998-03-09 10:15 868 6.14 USGS 01583600 1999-09-16 15:45 1610 9.37 USGS 01583600 2000-09-02 15:30 738 5.51 USGS 01583600 2000-12-17 11:00 991 6.70 USGS 01583600 2002-04-18 17:00 659 5.12 USGS 01583600 2003-09-23 08:30 989 6.69 USGS 01583600 2004-09-28 18:00 1640 9.52 USGS 01583600 2005-07-08 09:30 907 6.55 USGS 01583600 2006-06-26 1440 8.68 USGS 01583600 2006-11-16 17:15 1720 9.83 USGS 01583600 2008-09-27 18:45 2020 11.04 USGS 01583600 2009-09-11 16:45 1110 7.09 USGS 01583600 2010-08-12 08:15 942 6.36 2 USGS 01583600 2011-09-07 19:30 2160 11.58 USGS 01583600 2012-08-26 18:15 2020 11.01 USGS 01583600 2012-10-29 21:00 1690 9.70 USGS 01583600 2014-04-30 16:45 2050 11.15 USGS 01583600 2015-09-30 01:50 1060 9.08 1 USGS 01583600 2015-12-25 19:15 1120 7.14 USGS 01583600 2017-04-06 15:50 1350 8.18 USGS 01583600 2018-07-24 13:05 1590 9.28 2 2018-07-25 0315 11.13 1 USGS 01583600 2019-03-21 23:00 1360 2 8.98 1 USGS 01583600 2019-11-01 00:35 1500 8.87 2 2020-04-13 1535 9.04 1 USGS 01583600 2021-03-24 16:20 1460 8.69 USGS 01583600 2022-09-12 21:00 1310 7.98 USGS 01583600 2022-12-23 01:25 1070 6.92 2 2023-07-03 2305 8.08 1