# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-11 18:43:36 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 04174518 MALLETTS CREEK AT ANN ARBOR, MI # # 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 04174518 1974-03-10 480 5.63 USGS 04174518 1975-04-19 410 5.39 USGS 04174518 1999-05-18 630 6.42 USGS 04174518 2000-06-25 1560 9.32 USGS 04174518 2001-02-09 370 5.62 USGS 04174518 2002-08-04 387 5.84 USGS 04174518 2003-08-21 421 5.96 USGS 04174518 2004-05-22 1040 7.55 USGS 04174518 2005-07-21 821 7.08 USGS 04174518 2006-07-26 838 7.11 USGS 04174518 2007-05-01 483 6.19 USGS 04174518 2008-02-06 01:30 904 7.26 USGS 04174518 2009-03-11 01:30 562 6.40 USGS 04174518 2010-06-06 02:30 1950 11.74 USGS 04174518 2011-07-28 02:45 1470 8.78 USGS 04174518 2012-03-15 20:00 835 7.07 USGS 04174518 2013-06-27 19:00 798 6.98 USGS 04174518 2014-09-10 17:15 186 4.86 USGS 04174518 2015-06-14 14:45 1050 7.55 USGS 04174518 2016-08-16 03:30 762 6.89 USGS 04174518 2017-03-01 04:30 520 6.21 USGS 04174518 2018-02-20 04:45 885 7.19 USGS 04174518 2019-07-16 19:30 572 6.37 USGS 04174518 2020-03-28 07:30 977 7.40 USGS 04174518 2021-06-25 23:05 1780 10.66 USGS 04174518 2022-02-17 08:00 391 5.84 USGS 04174518 2023-08-24 05:45 708 6.76