# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-24 23:31:18 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 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 03099500 Mahoning River at Lowellville OH # # 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 03099500 1944-04-13 8150 6 8.00 USGS 03099500 1945-03-21 8580 6 8.44 USGS 03099500 1946-05-27 20000 6 13.73 USGS 03099500 1947-06-03 9770 6 8.96 USGS 03099500 1948-05-05 7050 6 7.54 USGS 03099500 1949-01-28 6330 6 7.10 USGS 03099500 1950-02-15 11400 6 9.67 USGS 03099500 1951-02-21 9210 6 8.71 USGS 03099500 1952-01-27 16200 6 11.95 USGS 03099500 1953-05-22 7230 6 7.65 USGS 03099500 1954-04-27 7050 6 7.53 USGS 03099500 1954-10-16 13300 6 10.97 USGS 03099500 1956-05-13 14200 6 11.45 USGS 03099500 1957-04-05 12200 6 10.24 USGS 03099500 1958-07-17 7940 6 8.27 USGS 03099500 1959-01-21 21000 6 14.43 USGS 03099500 1960-03-31 11600 6 10.20 USGS 03099500 1961-02-27 5610 6 7.55 USGS 03099500 1962-03-13 6010 6 6.92 USGS 03099500 1963-03-06 5830 6 6.79 USGS 03099500 1964-03-10 12600 6 10.80 USGS 03099500 1965-01-25 6700 6 7.27 USGS 03099500 1966-02-13 8320 6 8.64 USGS 03099500 1967-05-08 6830 6 7.46 USGS 03099500 1968-01-31 7690 6 7.94 USGS 03099500 1968-12-29 9200 2,6 USGS 03099500 1970-04-03 5310 6 6.80 USGS 03099500 1971-02-20 7330 6 7.96 USGS 03099500 1972-04-15 13500 6 10.98 USGS 03099500 1973-03-15 8320 6 8.51 USGS 03099500 1974-05-12 11700 6 10.25 USGS 03099500 1975-02-24 8890 6 8.87 USGS 03099500 1976-02-18 12600 6 10.67 USGS 03099500 1977-04-03 8740 6 8.41 USGS 03099500 1977-12-15 12600 6 10.64 USGS 03099500 1979-09-16 9150 6 8.87 USGS 03099500 1979-12-25 8880 6 8.70 USGS 03099500 1981-02-20 10200 6 9.48 USGS 03099500 1982-01-31 11000 6 9.93 USGS 03099500 1983-05-02 7420 6 7.74 USGS 03099500 1984-03-29 7720 6 7.93 USGS 03099500 1985-03-29 13900 6 11.35 USGS 03099500 1986-06-12 9850 6 9.31 USGS 03099500 1987-04-07 9170 6 8.88 USGS 03099500 1988-02-04 4440 6 5.93 USGS 03099500 1989-06-15 11800 6 9.84 USGS 03099500 1990-07-15 16300 6 11.91 USGS 03099500 1990-12-30 14000 6 10.75 USGS 03099500 2012-09-04 2010 6 4.37 USGS 03099500 2013-07-12 13900 6 10.67 USGS 03099500 2013-12-22 9660 6 8.71 USGS 03099500 2015-06-16 12700 6 10.34 USGS 03099500 2016-02-25 7940 6 7.81 USGS 03099500 2017-01-12 13700 6 10.88 USGS 03099500 2018-04-16 16:30 13000 6 10.47 USGS 03099500 2019-06-18 07:45 13400 6 10.71 USGS 03099500 2020-03-29 10:45 11400 6 9.59 USGS 03099500 2021-05-10 8910 6 8.38 USGS 03099500 2022-02-18 02:45 17900 6 12.88 USGS 03099500 2023-03-25 11:30 7450 6 7.56