# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-22 17:40:29 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 Illinois 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 05447000 GREEN RIVER AT AMBOY, 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 05447000 1940-03-03 2030 7.65 1 USGS 05447000 1941-02-13 2490 8.38 USGS 05447000 1941-10-03 2230 7.98 USGS 05447000 1943-03-16 2680 8.68 USGS 05447000 1944-03-15 2820 8.94 USGS 05447000 1945-06-28 2100 7.76 USGS 05447000 1946-01-05 3960 10.28 USGS 05447000 1947-04-20 2020 7.68 USGS 05447000 1948-03-19 3030 9.23 USGS 05447000 1949-02-18 2890 8.95 USGS 05447000 1950-04-25 2890 9.01 USGS 05447000 1951-02-19 2770 9.00 USGS 05447000 1952-03-11 2560 8.70 USGS 05447000 1953-06-05 615 4.13 USGS 05447000 1954-06-03 1350 6.60 USGS 05447000 1954-10-10 6120 12.26 USGS 05447000 1956-02-24 1790 7.57 USGS 05447000 1957-02-09 593 4.12 2 1957-02-09 1200 4.43 1 USGS 05447000 1958-07-03 1910 8.40 USGS 05447000 1959-04-28 3740 10.12 USGS 05447000 1960-03-31 4240 10.62 USGS 05447000 1961-09-14 480 3.64 USGS 05447000 1962-03-19 3280 9.63 USGS 05447000 1963-03-04 2220 8.12 USGS 05447000 1964-06-20 1030 5.71 USGS 05447000 1965-01-24 3290 9.61 USGS 05447000 1966-05-12 4600 10.95 USGS 05447000 1967-04-04 2530 8.66 USGS 05447000 1968-00-00 502 4,Bm USGS 05447000 1969-01-23 4110 10.47 USGS 05447000 1970-06-02 4130 10.49 USGS 05447000 1971-02-20 3600 9.95 USGS 05447000 1972-06-15 4260 10.62 USGS 05447000 1973-04-21 4460 10.82 USGS 05447000 1974-05-17 5010 11.33 USGS 05447000 1975-03-17 2740 8.95 USGS 05447000 1976-03-05 2410 8.39 USGS 05447000 1978-06-26 4740 11.08 USGS 05447000 1979-03-19 5750 10.89 USGS 05447000 1980-04-16 950 2 USGS 05447000 1981-06-13 7600 11.79 USGS 05447000 1982-07-07 3530 9.06