# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-20 09:48:34 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 01644375 LITTLE SENECA CREEK TRIBUTARY NEAR GERMANTOWN, 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 01644375 2004-08-17 22:20 92.0 5.73 USGS 01644375 2005-07-08 05:55 201 6.32 USGS 01644375 2006-06-25 19:22 493 7.38 USGS 01644375 2006-11-16 13:45 233 6.46 3 USGS 01644375 2008-04-20 22:30 154 3.69 6 USGS 01644375 2009-05-29 14:45 94.0 3.00 USGS 01644375 2010-09-30 99.0 3.06 USGS 01644375 2011-09-08 18:45 1350 5.97 USGS 01644375 2011-10-13 22:45 131 3.28 USGS 01644375 2013-06-10 468 4.56 USGS 01644375 2014-05-16 06:25 297 3.94 USGS 01644375 2015-06-27 16:05 355 4.17 USGS 01644375 2016-07-30 20:40 294 3.97 USGS 01644375 2017-07-29 00:55 103 2.88 USGS 01644375 2018-07-21 23:50 528 4.70 USGS 01644375 2019-07-08 08:00 452 4.52 USGS 01644375 2019-10-31 21:30 343 4.23 USGS 01644375 2021-09-23 07:00 121 2.85 USGS 01644375 2022-09-06 06:00 99.3 2.60 USGS 01644375 2023-09-12 21:55 267 3.91