# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-07 17:08:17 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 04116000 GRAND RIVER AT IONIA, MI # # 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 04116000 1949-02-16 13100 19.50 USGS 04116000 1950-03-29 20700 21.78 USGS 04116000 1951-02-21 13000 19.93 1 USGS 04116000 1952-04-15 14000 19.78 USGS 04116000 1953-03-17 4360 13.18 USGS 04116000 1954-03-28 7700 17.01 USGS 04116000 1955-03-05 7700 2 1955-02-23 17.20 1 USGS 04116000 1956-05-11 19000 21.87 USGS 04116000 1957-05-22 9840 18.53 USGS 04116000 1958-03-02 6100 16.89 1 USGS 04116000 1959-04-04 11200 19.64 USGS 04116000 1960-04-01 21500 23.43 USGS 04116000 1961-04-28 6840 16.77 USGS 04116000 1962-03-21 14600 20.67 USGS 04116000 1963-03-20 5530 14.79 USGS 04116000 1964-05-15 2980 11.58 USGS 04116000 1965-04-09 12800 19.96 2 1965-02-13 20.16 USGS 04116000 1966-03-24 5250 14.92 2 1966-02-13 16.33 1 USGS 04116000 1967-04-23 11000 2 19.53 USGS 04116000 1968-02-04 13600 20.48 USGS 04116000 1969-02-01 8200 19.54 1 USGS 04116000 1970-04-10 9540 18.24 USGS 04116000 1971-02-23 13000 1 1971-02-28 19.53 USGS 04116000 1972-04-18 11800 19.58 USGS 04116000 1973-01-02 15600 21.38 USGS 04116000 1974-03-06 14800 21.00 USGS 04116000 1975-04-22 16600 21.03 USGS 04116000 1976-03-06 20700 23.19 USGS 04116000 1977-04-01 4540 13.85 2 1977-03-06 15.09 1 USGS 04116000 1978-04-02 13000 20.45 USGS 04116000 1979-03-08 11900 19.99 USGS 04116000 1980-04-10 5170 14.79 USGS 04116000 1981-02-22 12200 20.14 USGS 04116000 1982-03-16 18200 22.45 2 1981-10-03 23.18 1 USGS 04116000 1983-05-04 10500 19.26 USGS 04116000 1984-02-14 7080 16.85 USGS 04116000 1985-02-27 20500 23.15 USGS 04116000 1986-03-15 15700 21.63 2 1986-09-30 21.92 USGS 04116000 1986-10-03 17700 23.01 USGS 04116000 1988-04-08 9340 18.56 USGS 04116000 1989-06-02 11000 19.54 USGS 04116000 1990-03-14 13600 20.79 USGS 04116000 1990-11-30 12100 20.09 USGS 04116000 1992-04-27 9140 18.43 USGS 04116000 1993-04-22 14200 20.60 USGS 04116000 1994-02-22 11200 2 20.75 1 USGS 04116000 1995-03-15 8840 18.06 USGS 04116000 1996-06-20 12700 20.47 USGS 04116000 1997-02-23 17500 22.04 USGS 04116000 1998-03-21 10200 18.83 USGS 04116000 1999-04-25 13200 20.29 USGS 04116000 2000-05-20 15500 21.24 USGS 04116000 2001-02-12 13900 20.59 USGS 04116000 2002-03-11 8510 17.87 USGS 04116000 2003-04-06 5050 14.57 USGS 04116000 2004-05-25 21300 23.41 USGS 04116000 2005-01-15 13600 20.46 USGS 04116000 2006-03-15 10200 18.80 USGS 04116000 2007-03-14 8940 18.12 USGS 04116000 2008-09-17 9900 18.65 USGS 04116000 2008-12-29 22:30 17700 22.10 USGS 04116000 2010-03-15 00:30 9900 18.25 USGS 04116000 2011-04-30 04:15 14400 20.71 USGS 04116000 2012-03-04 09:00 8310 17.22 USGS 04116000 2013-04-20 08:45 25100 24.69 USGS 04116000 2014-03-24 00:15 10500 18.88 USGS 04116000 2015-06-25 22:30 7840 17.37 USGS 04116000 2016-04-02 08:30 8400 17.74 USGS 04116000 2017-04-08 13:45 18000 22.12 USGS 04116000 2018-02-23 02:15 24200 24.40 USGS 04116000 2019-03-16 09:30 12600 19.89 USGS 04116000 2020-05-20 07:45 20300 23.20 USGS 04116000 2021-06-29 01:45 12300 19.93 USGS 04116000 2022-02-24 03:30 12300 19.94 USGS 04116000 2023-04-07 00:45 19100 23.02