# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-18 03:27:28 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 06811875 Snake Creek near Yorktown, IA # # 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 06811875 1966-05-15 1550 93.87 USGS 06811875 1967-06-21 750 91.38 USGS 06811875 1968-00-00 510 4,Bm USGS 06811875 1969-07-17 670 91.03 USGS 06811875 1970-00-00 510 4,Bm USGS 06811875 1971-00-00 510 4,Bm USGS 06811875 1972-00-00 510 4,Bm USGS 06811875 1973-02-01 1500 93.70 USGS 06811875 1974-06-09 1600 94.00 USGS 06811875 1975-06-18 970 92.32 USGS 06811875 1976-05-22 670 91.01 USGS 06811875 1977-08-28 2200 94.83 USGS 06811875 1978-07-21 2400 94.73 USGS 06811875 1979-03-03 2250 94.10 USGS 06811875 1980-00-00 780 2,Bm USGS 06811875 1981-00-00 510 4,Bm USGS 06811875 1982-08-29 2600 94.63 USGS 06811875 1983-06-28 1520 91.88 USGS 06811875 1984-06-15 1840 92.85 USGS 06811875 1985-00-00 510 4,Bm USGS 06811875 1986-07-12 1860 92.92 USGS 06811875 1987-07-09 3080 95.24 USGS 06811875 1988-00-00 510 4,Bm USGS 06811875 1989-09-08 1700 91.62 USGS 06811875 1990-06-17 1640 91.51 USGS 06811875 1991-06-01 934 88.69 USGS 06811875 1998-06-14 93.33 USGS 06811875 2003-05-09 83.29 USGS 06811875 2004-05-30 85.35 USGS 06811875 2005-05-12 85.46 USGS 06811875 2006-08-19 83.09 USGS 06811875 2007-05-06 91.03 USGS 06811875 2008-07-24 91.72 USGS 06811875 2009-06-07 87.14 USGS 06811875 2010-06-05 1330 87.38 USGS 06811875 2011-04-15 216 81.05 USGS 06811875 2012-04-14 564 84.13 USGS 06811875 2013-06-05 551 86.52 USGS 06811875 2014-07-05 268 84.07 USGS 06811875 2015-06-11 2150 93.11 USGS 06811875 2016-07-18 1700 90.30 USGS 06811875 2017-05-20 443 83.08 USGS 06811875 2018-09-03 13:00 749 83.87 USGS 06811875 2019-05-28 09:45 3220 87.30 USGS 06811875 2020-05-24 18:30 1520 85.27 USGS 06811875 2021-03-15 00:45 290 82.56 USGS 06811875 2021-10-24 11:15 836 84.06 USGS 06811875 2023-05-15 03:45 159 81.97