# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-06 09:06:16 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 06600100 Floyd River at Alton, 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 06600100 1953-06-00 45500 2,7,Bd USGS 06600100 1956-07-11 287 9.45 USGS 06600100 1957-07-04 440 10.54 USGS 06600100 1958-06-03 336 9.82 USGS 06600100 1959-06-01 1130 12.77 USGS 06600100 1960-03-28 4150 17.27 USGS 06600100 1961-03-03 2100 2 15.73 1 USGS 06600100 1962-03-28 12200 18.35 USGS 06600100 1963-03-17 150 2 8.80 1 USGS 06600100 1964-07-11 565 10.89 USGS 06600100 1965-04-01 5340 17.36 USGS 06600100 1966-02-09 3600 16.62 USGS 06600100 1967-06-16 1400 13.75 USGS 06600100 1968-07-20 198 8.61 USGS 06600100 1969-04-04 8510 17.78 USGS 06600100 1970-03-03 2280 15.47 USGS 06600100 1971-02-19 4000 2 17.17 1 USGS 06600100 1972-03-12 2620 15.59 USGS 06600100 1973-03-03 2750 15.95 USGS 06600100 1974-06-22 1500 14.00 USGS 06600100 1975-06-05 3490 16.55 USGS 06600100 1976-03-16 427 9.16 USGS 06600100 1977-07-24 148 7.46 USGS 06600100 1978-03-19 1450 13.37 USGS 06600100 1979-03-23 14000 18.40 USGS 06600100 1980-06-06 1230 12.68 USGS 06600100 1981-06-15 1440 14.17 USGS 06600100 1982-07-06 3270 16.39 USGS 06600100 1983-06-20 16300 18.54 USGS 06600100 1984-06-13 4990 16.58 USGS 06600100 1985-04-23 5660 16.93 USGS 06600100 1986-03-19 2320 14.38 USGS 06600100 1987-03-24 1610 12.35 USGS 06600100 1988-08-22 775 9.48 2 1988-03-02 10.46 1 USGS 06600100 1989-03-11 596 8.75 2 1989-03-10 9.76 1 USGS 06600100 1990-06-28 2240 14.05 USGS 06600100 1991-04-14 357 7.71 USGS 06600100 1992-07-10 1180 10.94 USGS 06600100 1993-03-28 6580 17.46 USGS 06600100 1994-06-13 6220 17.34 USGS 06600100 1995-08-08 2740 15.05 USGS 06600100 1996-06-20 1900 12.99 USGS 06600100 1997-03-13 1920 2 15.67 1 USGS 06600100 1998-04-16 365 7.48 USGS 06600100 1999-06-10 532 8.34 USGS 06600100 2000-06-15 221 6.83 USGS 06600100 2001-04-23 1850 12.84 USGS 06600100 2002-06-12 333 7.42 USGS 06600100 2003-07-09 1520 11.86 USGS 06600100 2004-09-17 1280 11.09 2 2004-03-02 12.27 1 USGS 06600100 2005-05-14 915 9.98 USGS 06600100 2006-05-02 03:00 1050 10.34 USGS 06600100 2007-03-13 5950 17.10 USGS 06600100 2008-06-13 1600 12.07 USGS 06600100 2009-02-11 2320 14.17 USGS 06600100 2010-07-23 8580 17.97 USGS 06600100 2011-02-19 2080 13.54 USGS 06600100 2012-03-08 1300 11.26 USGS 06600100 2013-05-27 13800 19.19 USGS 06600100 2014-06-18 8830 18.04 USGS 06600100 2015-05-17 149 6.24 2 2015-03-11 6.27 USGS 06600100 2016-09-18 1360 11.07 USGS 06600100 2017-02-13 07:45 1580 11.80 USGS 06600100 2018-09-20 20:45 21700 21.96 USGS 06600100 2019-03-14 13:30 24900 20.87 USGS 06600100 2020-05-27 05:30 832 8.82 USGS 06600100 2021-07-14 10:00 161 6.16 2 2021-09-30 2230 6.32 USGS 06600100 2022-06-25 06:30 155 6.43 USGS 06600100 2023-05-13 01:15 945 9.09 2,5 2023-03-17 0215 9.61