# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-20 08:46:15 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 01609000 TOWN CREEK NEAR OLDTOWN, 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 01609000 1928-07-14 7170 12.56 USGS 01609000 1929-04-16 7020 12.50 USGS 01609000 1929-10-23 9700 14.00 USGS 01609000 1931-07-18 4000 10.14 USGS 01609000 1932-05-12 4420 10.50 USGS 01609000 1933-03-14 3900 10.01 USGS 01609000 1934-01-07 1860 7.50 USGS 01609000 1935-02-17 1510 6.80 USGS 01609000 1936-03-17 27000 7 19.08 USGS 01609000 1968-05-28 1830 7.88 2 1968-01-31 9.62 1 USGS 01609000 1969-08-20 2260 8.72 USGS 01609000 1970-04-02 6340 12.15 USGS 01609000 1971-02-23 3350 10.05 USGS 01609000 1972-06-22 11700 14.13 USGS 01609000 1973-02-03 2040 8.31 USGS 01609000 1973-10-30 3690 10.36 USGS 01609000 1975-04-26 5740 11.82 USGS 01609000 1975-10-18 4130 10.95 USGS 01609000 1976-10-10 6050 12.06 USGS 01609000 1978-05-16 2870 9.75 2 1978-03-15 11.42 1 USGS 01609000 1979-02-26 3270 10.31 USGS 01609000 1979-11-27 2470 9.11 USGS 01609000 1981-04-13 4020 10.87 USGS 01609000 2002-05-18 18:00 1160 6.35 USGS 01609000 2003-06-04 12:30 4380 11.11 USGS 01609000 2004-09-18 17:30 7070 12.54 USGS 01609000 2005-03-29 10:15 6760 12.40 USGS 01609000 2007-04-15 18:30 3420 10.07 USGS 01609000 2008-03-05 13:30 6330 12.67 USGS 01609000 2009-05-05 02:45 4960 11.64 USGS 01609000 2010-03-14 00:15 3710 10.45 USGS 01609000 2011-05-17 21:45 5050 11.72 USGS 01609000 2011-12-08 04:00 2810 9.20 USGS 01609000 2012-10-30 10:45 2620 8.89 USGS 01609000 2014-06-13 06:15 3030 9.51 USGS 01609000 2015-06-28 13:15 3550 10.08 USGS 01609000 2016-06-05 15:00 3400 9.87 USGS 01609000 2017-05-06 01:15 3550 10.09 USGS 01609000 2018-06-03 14:30 7210 13.17 USGS 01609000 2018-12-16 15:15 3440 9.93 USGS 01609000 2020-04-30 19:45 2370 8.28 USGS 01609000 2021-09-02 03:30 12300 15.11 USGS 01609000 2022-05-08 01:15 5130 11.79 USGS 01609000 2023-03-04 07:45 1840 7.34