# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-22 00:01:31 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 05484800 Walnut Creek at Des Moines, 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 05484800 1972-06-20 680 9.53 USGS 05484800 1973-07-01 9000 17.72 USGS 05484800 1974-06-09 8160 17.44 USGS 05484800 1975-08-27 5800 17.00 USGS 05484800 1976-04-18 2470 14.24 USGS 05484800 1977-08-28 2590 14.48 USGS 05484800 1978-04-17 1180 10.75 USGS 05484800 1979-06-13 1010 10.30 USGS 05484800 1980-08-16 954 9.80 USGS 05484800 1981-07-03 2190 13.47 USGS 05484800 1982-08-05 1650 12.08 USGS 05484800 1983-07-03 1840 12.64 USGS 05484800 1984-06-09 2820 14.63 USGS 05484800 1984-11-01 946 9.69 USGS 05484800 1986-05-10 12500 18.32 USGS 05484800 1987-07-12 1970 11.87 USGS 05484800 1988-08-22 704 7.95 USGS 05484800 1989-07-18 924 8.76 USGS 05484800 1990-06-16 7780 18.00 USGS 05484800 1991-06-04 2890 13.95 USGS 05484800 1992-07-24 1450 10.10 USGS 05484800 1993-08-29 6460 17.56 USGS 05484800 1994-08-30 792 7.89 USGS 05484800 1995-05-09 1450 10.12 USGS 05484800 1996-05-24 3850 13.24 USGS 05484800 1997-07-24 3930 13.34 USGS 05484800 1998-06-18 4910 15.85 USGS 05484800 1999-05-21 3140 12.64 USGS 05484800 2000-07-05 2430 11.19 USGS 05484800 2001-09-07 1820 9.79 USGS 05484800 2002-07-10 2460 10.98 2 2002-08-23 11.08 USGS 05484800 2003-05-04 3240 13.11 USGS 05484800 2004-05-25 3370 13.57 USGS 05484800 2005-05-12 2830 12.35 USGS 05484800 2006-04-02 22:15 2170 11.03 USGS 05484800 2007-04-25 3690 14.09 USGS 05484800 2008-06-06 4330 14.93 USGS 05484800 2009-04-27 2380 11.47 USGS 05484800 2010-08-09 11700 18.59 USGS 05484800 2011-06-20 3220 12.48 USGS 05484800 2012-04-14 2910 12.51 USGS 05484800 2013-05-29 2230 11.81 USGS 05484800 2014-06-26 3040 13.74 USGS 05484800 2015-06-25 9720 18.69 USGS 05484800 2016-07-19 3070 13.33 USGS 05484800 2017-09-25 1860 10.07 USGS 05484800 2018-06-30 23:45 10600 19.08 USGS 05484800 2019-05-24 15:15 3900 13.54 USGS 05484800 2019-10-02 00:45 2490 10.67 USGS 05484800 2021-07-31 06:00 1290 7.75 USGS 05484800 2021-10-24 18:15 1790 8.98 USGS 05484800 2023-02-27 04:30 1360 7.90 USGS 05484800 2024-07-31 03:45 3490 12.69