# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-01 13:22:23 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 03049500 Allegheny River at Natrona, PA # # 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 03049500 1936-03-18 365000 6,7 32.06 USGS 03049500 1939-02-21 103000 6 17.60 USGS 03049500 1940-03-31 187000 6 23.60 USGS 03049500 1940-12-14 89000 6 16.67 USGS 03049500 1942-03-17 128000 6 19.30 USGS 03049500 1942-12-30 238000 6 27.46 USGS 03049500 1944-03-18 108000 6 17.91 USGS 03049500 1945-03-07 203000 6 24.77 USGS 03049500 1946-05-28 160000 6 21.63 USGS 03049500 1947-04-06 142000 6 20.29 USGS 03049500 1948-03-23 152000 6 21.05 USGS 03049500 1949-01-28 77400 6 16.01 USGS 03049500 1950-03-29 130000 6 19.54 USGS 03049500 1950-12-04 152000 6 21.02 USGS 03049500 1952-01-27 183000 6 23.28 USGS 03049500 1953-05-31 139000 6 20.06 USGS 03049500 1954-03-04 100000 6 17.44 USGS 03049500 1954-10-16 143000 6 20.38 USGS 03049500 1956-03-09 178000 6 22.97 USGS 03049500 1957-01-24 118000 6 18.58 USGS 03049500 1958-07-15 98500 6 17.27 USGS 03049500 1959-01-22 215000 6 25.67 USGS 03049500 1960-04-01 157000 6 21.41 USGS 03049500 1961-04-26 116000 6 18.54 USGS 03049500 1962-03-24 69400 6 15.50 USGS 03049500 1963-03-18 115000 6 18.37 USGS 03049500 1964-03-10 216000 6 25.78 USGS 03049500 1965-02-14 78700 6 15.98 USGS 03049500 1966-02-14 154000 6 21.21 USGS 03049500 1966-12-08 79400 6 16.03 USGS 03049500 1968-01-31 112000 6 18.18 USGS 03049500 1968-12-29 104000 6 17.68 USGS 03049500 1970-04-03 115000 6 18.40 USGS 03049500 1971-02-21 87000 6 16.58 USGS 03049500 1972-06-23 205000 6 24.96 USGS 03049500 1973-03-18 79600 6 16.04 USGS 03049500 1974-03-10 95400 6 17.09 USGS 03049500 1975-02-25 122000 6 18.88 USGS 03049500 1976-02-17 147000 6 20.71 USGS 03049500 1977-04-03 90600 6 16.77 USGS 03049500 1977-12-15 120000 6 18.74 USGS 03049500 1979-03-05 109000 6 17.98 USGS 03049500 1980-04-01 73200 6 15.61 USGS 03049500 1981-02-21 136000 6 19.91 USGS 03049500 1982-02-01 88000 6 16.60 USGS 03049500 1983-06-29 69400 6 15.36 USGS 03049500 1984-02-15 113000 6 18.29 USGS 03049500 1985-02-25 102000 6 17.55 USGS 03049500 1985-11-17 100000 1,6 USGS 03049500 1987-07-03 76000 6 15.80 USGS 03049500 1988-02-04 61700 6 14.82 USGS 03049500 1989-06-21 125000 6 19.16 USGS 03049500 1990-02-16 111000 6 18.19 USGS 03049500 1990-12-31 133000 6 20.61 6 USGS 03049500 1992-09-23 72900 6 16.50 USGS 03049500 1993-03-29 88900 6 17.46 USGS 03049500 1994-03-25 107000 6 18.74 USGS 03049500 1994-12-11 57100 6 15.40 USGS 03049500 1996-01-20 182000 6 24.18 USGS 03049500 1997-02-28 72800 6 16.49 USGS 03049500 1998-01-09 124000 6 19.94 USGS 03049500 1999-01-25 106000 6 18.71 USGS 03049500 2000-04-09 73500 6 16.54 USGS 03049500 2001-02-11 58500 6 15.50 USGS 03049500 2002-05-14 90500 6 17.68 USGS 03049500 2003-07-22 87200 6 17.46 USGS 03049500 2004-09-18 185000 6 24.39 USGS 03049500 2005-01-06 122000 6 19.84 USGS 03049500 2005-12-01 66100 6 16.03 USGS 03049500 2007-03-16 145000 6 21.42 USGS 03049500 2008-02-07 116000 6 19.41 USGS 03049500 2009-02-13 98100 6 18.18 USGS 03049500 2010-01-26 96400 6 18.03 USGS 03049500 2011-03-07 146000 6 20.58 USGS 03049500 2012-01-28 82500 6 16.84 USGS 03049500 2013-04-13 80300 6 16.69 USGS 03049500 2013-12-22 23:45 108000 6 18.42 USGS 03049500 2015-04-10 20:00 77200 6 16.47 2 2015-03-18 0930 16.74 1 USGS 03049500 2015-12-28 84700 6 16.99 USGS 03049500 2017-01-13 138000 6 20.16 USGS 03049500 2018-01-13 18:15 142000 6 20.36 USGS 03049500 2019-02-08 21:15 111000 6 18.63 USGS 03049500 2020-03-30 06:30 84600 6 16.99 USGS 03049500 2021-07-18 16:30 70300 6 15.98 USGS 03049500 2022-02-19 00:15 129000 2,6