# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-28 05:49:44 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 05460100 Willow Creek near Mason City, 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 05460100 1966-02-09 530 89.14 USGS 05460100 1967-00-00 325 4,Bm USGS 05460100 1968-00-00 325 4,Bm USGS 05460100 1969-07-08 1100 2 91.30 USGS 05460100 1970-05-14 325 88.11 USGS 05460100 1971-03-17 880 90.75 USGS 05460100 1972-00-00 340 4,Bm USGS 05460100 1973-04-17 520 89.00 USGS 05460100 1974-00-00 340 4,Bm USGS 05460100 1975-04-28 770 90.23 USGS 05460100 1976-00-00 340 4,Bm USGS 05460100 1977-00-00 340 4,Bm USGS 05460100 1978-06-15 790 90.75 USGS 05460100 1979-08-21 1080 91.83 USGS 05460100 1980-05-30 950 91.17 USGS 05460100 1981-06-24 720 90.62 USGS 05460100 1982-03-16 635 89.94 2 1982-02-23 91.01 1 USGS 05460100 1983-09-20 630 90.19 USGS 05460100 1984-06-16 1150 91.97 USGS 05460100 1985-03-11 595 90.01 USGS 05460100 1986-03-18 700 90.42 USGS 05460100 1987-00-00 145 4,Bm USGS 05460100 1988-00-00 145 4,Bm USGS 05460100 1989-03-14 415 89.01 USGS 05460100 1991-05-18 980 91.40 USGS 05460100 1992-05-17 715 90.59 USGS 05460100 1993-04-01 1090 91.75 USGS 05460100 1994-04-12 820 90.85 USGS 05460100 1995-05-28 590 89.86 USGS 05460100 1996-03-24 90.63 1 USGS 05460100 1997-03-21 90.89 1 USGS 05460100 1998-06-21 840 90.96 USGS 05460100 1999-07-21 1150 91.92 USGS 05460100 2000-07-02 390 88.71 USGS 05460100 2001-04-11 789 90.75 USGS 05460100 2002-08-05 561 89.68 USGS 05460100 2003-05-06 448 89.07 USGS 05460100 2004-05-22 1270 92.21 USGS 05460100 2005-04-19 555 89.65 USGS 05460100 2006-03-30 666 90.19 USGS 05460100 2007-03-15 894 91.13 USGS 05460100 2008-06-08 2380 93.28 USGS 05460100 2009-02-10 680 2 90.26 1 USGS 05460100 2010-03-12 1070 2 90.76 1 USGS 05460100 2011-03-23 917 90.27 USGS 05460100 2012-00-00 357 4,Bm USGS 05460100 2013-06-13 577 89.97 USGS 05460100 2014-06-19 828 90.95 USGS 05460100 2015-07-24 800 90.87 USGS 05460100 2016-09-22 1830 92.25 USGS 05460100 2017-02-21 388 89.23 USGS 05460100 2018-06-09 19:15 1790 92.25 USGS 05460100 2019-03-14 12:00 628 2 90.16 USGS 05460100 2020-05-26 21:45 503 89.70 USGS 05460100 2021-08-28 04:30 175 87.96 USGS 05460100 2022-06-16 06:45 496 89.67 USGS 05460100 2023-05-14 20:00 338 88.97