# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-14 23:46:16 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 01192883 COGINCHAUG RIVER AT MIDDLEFIELD, CT # # 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 01192883 1981-02-21 592 8.57 USGS 01192883 1982-06-06 2110 12.23 USGS 01192883 1983-04-11 1070 10.09 USGS 01192883 1984-05-31 1310 10.68 USGS 01192883 1985-02-14 171 6.35 USGS 01192883 1986-01-27 517 8.28 USGS 01192883 1987-04-01 880 9.79 USGS 01192883 1988-02-17 231 6.85 USGS 01192883 1989-06-10 405 7.88 USGS 01192883 1989-10-21 818 9.59 USGS 01192883 1991-08-20 466 7.96 USGS 01192883 1992-06-06 1720 11.53 USGS 01192883 1993-03-25 427 7.80 USGS 01192883 1994-03-11 597 8.50 USGS 01192883 1995-03-10 261 7.01 USGS 01192883 1996-04-16 2260 12.46 USGS 01192883 1996-12-02 724 9.18 USGS 01192883 1998-03-10 922 9.98 USGS 01192883 1999-02-03 632 8.79 USGS 01192883 2000-04-22 635 8.82 USGS 01192883 2001-03-23 775 9.35 USGS 01192883 2002-05-14 259 6.93 USGS 01192883 2003-03-22 417 7.97 USGS 01192883 2004-04-14 901 9.86 USGS 01192883 2005-04-24 547 8.51 USGS 01192883 2005-10-15 1640 11.43 USGS 01192883 2007-04-16 1150 10.46 USGS 01192883 2008-02-14 884 9.88 USGS 01192883 2008-12-12 1490 10.92 USGS 01192883 2010-03-30 1660 11.29 USGS 01192883 2011-03-07 1640 11.25 USGS 01192883 2011-12-08 584 8.70 USGS 01192883 2013-06-08 716 9.30 USGS 01192883 2014-03-31 787 9.59 USGS 01192883 2014-12-10 722 9.38 USGS 01192883 2016-02-25 21:30 471 8.33 USGS 01192883 2017-04-07 09:15 329 7.55 USGS 01192883 2018-09-27 00:45 640 9.10 USGS 01192883 2019-01-25 10:15 832 9.73 USGS 01192883 2019-12-15 04:15 677 9.23 USGS 01192883 2021-07-10 05:45 835 9.74 USGS 01192883 2022-02-06 09:00 323 7.51