# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-27 19:50:03 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 Iowa 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 06898000 Thompson River at Davis 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 06898000 1885-08-08 30000 7 22.80 USGS 06898000 1897-04-24 21.70 USGS 06898000 1903-08-27 21.00 USGS 06898000 1909-07-06 20.30 USGS 06898000 1914-08-16 20.20 USGS 06898000 1915-03-28 19.60 USGS 06898000 1918-06-06 5660 14.70 USGS 06898000 1919-06-04 12500 18.80 USGS 06898000 1920-03-24 8350 16.90 USGS 06898000 1921-05-11 5500 14.50 2 1921-06-02 15.10 USGS 06898000 1922-07-18 13200 19.90 USGS 06898000 1922-11-13 7760 17.40 USGS 06898000 1924-06-26 10200 19.00 USGS 06898000 1925-06-03 3860 13.10 USGS 06898000 1926-09-09 10800 19.10 USGS 06898000 1941-09-17 4440 9.40 USGS 06898000 1942-06-20 8380 13.50 USGS 06898000 1943-06-13 6910 12.10 USGS 06898000 1944-04-23 8810 14.20 USGS 06898000 1945-04-17 8700 13.90 USGS 06898000 1946-01-06 11500 15.20 USGS 06898000 1947-06-14 21300 20.10 USGS 06898000 1948-03-20 4860 8.60 USGS 06898000 1949-06-26 4190 7.80 USGS 06898000 1950-05-10 12000 11.80 USGS 06898000 1951-05-02 15200 13.75 USGS 06898000 1952-03-13 6140 7.79 USGS 06898000 1953-03-30 3890 5.86 USGS 06898000 1954-06-15 2520 4.56 USGS 06898000 1955-03-03 2760 4.81 USGS 06898000 1956-08-09 2670 4.70 USGS 06898000 1957-04-03 5250 7.54 USGS 06898000 1958-07-15 7400 9.22 USGS 06898000 1959-08-06 17500 18.42 USGS 06898000 1960-03-30 15200 16.63 USGS 06898000 1961-09-13 6820 8.22 USGS 06898000 1961-11-16 7200 8.86 USGS 06898000 1963-03-04 4510 6.00 USGS 06898000 1964-09-08 7400 9.14 USGS 06898000 1965-04-08 9520 9.35 USGS 06898000 1966-07-28 6820 7.80 USGS 06898000 1967-06-14 10400 11.96 6 USGS 06898000 1968-04-23 5650 8.58 USGS 06898000 1969-07-09 10500 12.01 USGS 06898000 1970-05-14 4940 7.99 USGS 06898000 1971-02-20 5200 2 8.40 1 USGS 06898000 1972-09-16 10600 12.45 USGS 06898000 1973-02-03 9420 11.28 USGS 06898000 1974-06-10 24300 19.43 USGS 06898000 1975-03-18 4420 7.38 USGS 06898000 1976-04-26 12500 13.26 USGS 06898000 1977-09-03 3120 6.12 USGS 06898000 1978-09-20 10200 11.68 USGS 06898000 1979-03-23 8220 10.34 USGS 06898000 1980-06-02 12400 12.94 USGS 06898000 1981-04-14 5420 8.06 USGS 06898000 1982-03-19 10600 11.84 USGS 06898000 1982-12-28 6710 9.06 USGS 06898000 1984-06-09 6950 9.23 USGS 06898000 1985-02-23 4020 6.66 2 1985-02-21 7.43 1 USGS 06898000 1986-05-17 8990 10.55 USGS 06898000 1987-08-28 14600 13.81 USGS 06898000 1987-11-29 2640 5.37 2 1988-02-20 5.45 1 USGS 06898000 1989-09-09 8720 9.76 USGS 06898000 1990-07-20 13800 13.30 USGS 06898000 1991-04-19 11800 11.95 USGS 06898000 1992-09-16 57000 24.29 USGS 06898000 1993-07-05 30300 20.53 USGS 06898000 1994-06-02 5960 7.64 USGS 06898000 1995-05-23 11600 11.83 USGS 06898000 1996-05-10 18300 12.99 USGS 06898000 1997-02-21 6450 7.56 USGS 06898000 1998-03-31 14500 11.80 USGS 06898000 1999-04-16 6080 7.36 USGS 06898000 2000-06-26 1200 3.21 USGS 06898000 2001-04-09 7250 8.25 USGS 06898000 2002-05-11 7000 8.07 USGS 06898000 2003-05-09 2260 4.24 USGS 06898000 2004-08-27 11100 10.92 USGS 06898000 2005-05-14 4490 6.04 USGS 06898000 2006-05-01 04:30 3220 5.05 USGS 06898000 2007-05-08 25300 18.90 USGS 06898000 2008-07-24 21500 16.77 USGS 06898000 2009-04-27 9570 9.89 USGS 06898000 2010-06-05 19400 15.71 USGS 06898000 2011-06-27 10200 10.31 USGS 06898000 2012-04-16 9260 9.68 USGS 06898000 2013-04-18 21300 16.68 USGS 06898000 2014-09-10 17200 14.51 USGS 06898000 2015-07-29 9740 10.01 USGS 06898000 2015-12-14 9100 9.57 USGS 06898000 2017-04-05 7190 8.16 USGS 06898000 2018-09-01 15:30 10400 10.44 USGS 06898000 2019-05-29 09:00 14900 13.15 USGS 06898000 2020-05-27 05:00 6970 8.07 USGS 06898000 2021-07-10 20:30 7870 8.72 USGS 06898000 2022-06-08 16:30 5530 6.99 USGS 06898000 2023-02-27 14:15 4840 6.39 USGS 06898000 2024-05-08 00:15 5120 6.63