# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-28 02:02:20 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 06935830 Caulks Creek at Chesterfield, MO # # 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 06935830 1972-04-21 1180 12.36 USGS 06935830 1973-07-23 5250 18.40 USGS 06935830 1974-08-13 2860 15.81 USGS 06935830 1975-01-10 3760 17.01 USGS 06935830 1976-03-04 2400 15.20 USGS 06935830 1977-03-28 5250 18.40 USGS 06935830 1978-07-14 1820 14.14 USGS 06935830 1979-04-11 7940 19.97 USGS 06935830 1997-02-27 1600 9.66 6 USGS 06935830 1998-02-26 2590 12.56 USGS 06935830 1999-02-07 3070 13.80 USGS 06935830 2000-06-24 3530 14.95 USGS 06935830 2001-06-15 1240 8.44 USGS 06935830 2002-06-12 3290 14.37 USGS 06935830 2003-06-26 2040 10.99 USGS 06935830 2004-05-26 2980 13.58 USGS 06935830 2005-01-13 2870 13.29 USGS 06935830 2005-11-28 00:40 1740 10.08 USGS 06935830 2007-01-13 1290 8.61 USGS 06935830 2008-09-14 6370 19.80 USGS 06935830 2008-12-27 2080 11.13 USGS 06935830 2009-10-23 3020 13.68 USGS 06935830 2010-11-24 2280 11.79 USGS 06935830 2012-04-14 1120 8.09 USGS 06935830 2013-06-01 2080 11.22 USGS 06935830 2014-09-02 1600 9.74 USGS 06935830 2015-04-07 12:06 4140 16.40 USGS 06935830 2015-12-26 21:45 3350 14.58 USGS 06935830 2017-04-30 05:05 2680 12.90 USGS 06935830 2018-02-24 06:45 1250 8.57 USGS 06935830 2019-07-22 07:37 5090 18.05 USGS 06935830 2020-08-09 03:12 3980 16.05 USGS 06935830 2021-03-18 03:55 1170 8.27 USGS 06935830 2022-08-04 01:40 2350 11.99 USGS 06935830 2023-04-15 20:40 1020 7.72