# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-16 03:38:03 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 05560000 ILLINOIS RIVER AT PEORIA, IL # # 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 05560000 1903-03-12 45100 6 18.50 USGS 05560000 1904-03-28 57600 2,6 USGS 05560000 1905-05-19 39100 6 17.40 USGS 05560000 1906-03-07 29100 6 15.67 USGS 05560000 1910-03-12 31200 6 17.60 USGS 05560000 1911-02-21 20200 6 14.80 USGS 05560000 1912-04-01 42800 6 20.00 USGS 05560000 1913-03-30 55000 6 22.45 USGS 05560000 1914-04-07 22900 6 15.55 USGS 05560000 1915-08-08 35800 6 18.60 USGS 05560000 1916-01-25 48000 2,6 USGS 05560000 1917-06-15 34800 6 18.35 USGS 05560000 1918-02-20 41800 6 19.85 USGS 05560000 1919-03-23 54000 6 25.35 USGS 05560000 1920-04-25 53000 6 23.15 USGS 05560000 1921-05-02 25100 6 16.45 USGS 05560000 1922-04-16 56700 6 24.80 USGS 05560000 1923-03-26 26700 6 17.40 USGS 05560000 1924-08-24 39000 6 21.00 USGS 05560000 1925-03-26 24000 6 16.50 USGS 05560000 1926-04-15 36600 6 20.40 USGS 05560000 1926-10-09 58300 6 25.05 USGS 05560000 1927-12-18 38200 1,2,6 21.10 1 USGS 05560000 1929-03-22 46900 6 22.75 1 USGS 05560000 1930-04-25 40700 6 19.75 2 1930-04-26 20.00 USGS 05560000 1931-06-12 18600 6 13.75 USGS 05560000 1932-01-22 30300 6 17.73 USGS 05560000 1933-05-18 52900 6 25.60 USGS 05560000 1934-04-15 14600 6 11.87 USGS 05560000 1935-05-16 40100 6 21.60 USGS 05560000 1936-03-06 37500 6 19.95 2 1936-03-05 20.00 USGS 05560000 1937-05-05 36100 6 19.50 2 1937-05-06 19.65 USGS 05560000 1938-04-15 39200 6 20.50