# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-18 02:52:37 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 05421890 Silver Creek at Welton, 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 05421890 1966-05-23 2770 88.41 USGS 05421890 1967-04-21 1970 87.86 USGS 05421890 1968-00-00 392 4,Bm USGS 05421890 1969-06-29 2200 88.03 USGS 05421890 1970-09-18 3320 88.73 USGS 05421890 1971-07-13 2660 88.34 USGS 05421890 1972-03-16 854 86.60 USGS 05421890 1973-06-16 4550 2 89.49 USGS 05421890 1974-05-17 4820 2 89.77 USGS 05421890 1975-03-21 2290 88.42 USGS 05421890 1976-00-00 354 4,Bm USGS 05421890 1977-00-00 354 4,Bm USGS 05421890 1978-04-10 399 85.29 USGS 05421890 1979-00-00 341 4,Bm USGS 05421890 1980-00-00 747 Bm 86.76 Bm USGS 05421890 1981-08-14 2600 89.13 USGS 05421890 1982-03-15 1040 87.58 USGS 05421890 1982-12-02 689 86.95 USGS 05421890 1984-06-22 766 87.32 USGS 05421890 1985-02-23 1280 88.67 USGS 05421890 1986-07-08 2050 89.82 USGS 05421890 1987-05-19 371 85.91 USGS 05421890 1987-11-30 600 87.20 USGS 05421890 1989-00-00 255 4,Bm USGS 05421890 1990-08-19 1630 89.43 USGS 05421890 1991-03-03 88.70 1 USGS 05421890 1992-09-17 509 86.77 USGS 05421890 1993-06-25 1100 88.70 USGS 05421890 1994-02-20 605 87.22 USGS 05421890 1995-05-08 703 87.62 USGS 05421890 1996-05-29 1650 89.45 USGS 05421890 1997-02-22 1150 88.80 USGS 05421890 1998-03-31 973 88.43 USGS 05421890 1998-10-18 525 86.85 USGS 05421890 2000-06-14 899 88.23 USGS 05421890 2001-02-26 1420 89.22 USGS 05421890 2002-06-04 1890 90.13 USGS 05421890 2003-00-00 244 4,Bm USGS 05421890 2004-05-23 412 86.23 USGS 05421890 2005-00-00 244 4,Bm USGS 05421890 2006-06-10 990 88.74 USGS 05421890 2007-07-04 1460 89.68 USGS 05421890 2008-05-11 1250 89.29 USGS 05421890 2009-08-27 1570 89.85 USGS 05421890 2010-07-24 955 88.66 USGS 05421890 2011-07-23 714 87.89 USGS 05421890 2012-04-15 223 84.76 USGS 05421890 2013-04-18 1250 89.29 USGS 05421890 2014-06-30 850 89.82 USGS 05421890 2015-06-22 1470 89.66 USGS 05421890 2016-09-08 1020 88.79 USGS 05421890 2017-07-22 961 88.66 USGS 05421890 2018-09-01 11:30 813 88.29 USGS 05421890 2018-10-06 05:00 1480 89.67 USGS 05421890 2020-09-06 07:00 489 87.25 USGS 05421890 2021-04-11 13:00 425 86.98 USGS 05421890 2022-06-25 10:05 1100 88.96 USGS 05421890 2023-02-27 09:45 115 2 84.49 4