# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-24 02:00:56 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 06818750 Platte River near Diagonal, 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 06818750 1967-06-00 6360 7,Bd 23.16 Bd USGS 06818750 1968-04-23 2440 15.11 USGS 06818750 1969-07-18 5360 22.76 USGS 06818750 1970-05-13 3120 17.30 USGS 06818750 1971-05-24 6070 22.24 USGS 06818750 1972-09-13 5970 22.54 USGS 06818750 1973-02-02 6380 23.19 USGS 06818750 1973-10-12 6420 23.24 USGS 06818750 1975-03-18 3040 16.52 USGS 06818750 1976-04-18 5680 22.05 USGS 06818750 1977-09-02 4250 19.28 USGS 06818750 1978-04-18 5820 22.03 USGS 06818750 1979-07-24 4510 19.35 2 1979-03-03 20.61 1 USGS 06818750 1980-06-02 4940 20.13 USGS 06818750 1981-04-12 2150 13.03 USGS 06818750 1982-03-19 5360 21.05 USGS 06818750 1982-10-09 5640 21.64 USGS 06818750 1984-05-19 6190 22.77 USGS 06818750 1985-02-21 2720 2 14.88 1 USGS 06818750 1986-09-19 5820 21.73 USGS 06818750 1987-08-27 8580 23.67 USGS 06818750 1987-11-01 602 7.81 2 1988-01-20 9.01 1 USGS 06818750 1989-09-09 8630 23.60 USGS 06818750 1990-05-25 5850 21.74 USGS 06818750 1991-04-18 4070 18.24 USGS 06818750 1998-03-30 3170 15.95 USGS 06818750 1999-06-12 4200 17.80 USGS 06818750 2000-07-06 1230 10.24 USGS 06818750 2001-06-01 4180 18.53 USGS 06818750 2002-05-11 1360 10.69 USGS 06818750 2003-05-09 1060 9.61 USGS 06818750 2004-08-04 3400 16.57 USGS 06818750 2005-05-13 4580 19.47 USGS 06818750 2006-08-28 4020 18.12 USGS 06818750 2007-05-06 8260 22.39 USGS 06818750 2008-07-25 13400 25.97 USGS 06818750 2009-04-27 6490 20.88 USGS 06818750 2010-06-05 10700 24.26 USGS 06818750 2011-05-25 6510 18.76 USGS 06818750 2012-04-14 6130 18.39 USGS 06818750 2013-04-17 7730 20.62 USGS 06818750 2014-09-10 9250 22.24 USGS 06818750 2015-05-17 7870 20.80 USGS 06818750 2015-12-13 9410 22.40 USGS 06818750 2017-04-05 3820 14.97 USGS 06818750 2018-05-29 13:00 3750 14.83 USGS 06818750 2019-05-28 13:00 9590 22.52 USGS 06818750 2020-05-25 19:30 4230 16.66 USGS 06818750 2021-03-14 13:00 3390 14.56 USGS 06818750 2021-10-24 13:00 2320 11.68 USGS 06818750 2023-02-27 3380 14.55 USGS 06818750 2024-05-07 4500