# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-23 03:29:50 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 15208000 TONSINA R AT TONSINA AK # # 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 15208000 1950-06-18 5260 5.97 3 USGS 15208000 1951-09-06 5170 5.93 3 USGS 15208000 1952-07-31 5300 5.99 3 USGS 15208000 1953-06-27 7240 6.60 3 USGS 15208000 1954-08-03 4880 5.34 3 USGS 15208000 1956-07-03 4360 5.34 2,3 1956-05-02 5.81 1,3 USGS 15208000 1957-06-08 7910 7.00 3 USGS 15208000 1958-06-10 7260 5.15 3 USGS 15208000 1959-06-18 5800 4.30 3 USGS 15208000 1960-09-13 5380 4.15 3 USGS 15208000 1961-08-05 6720 4.62 3 USGS 15208000 1962-06-17 8490 4.91 3 USGS 15208000 1963-07-12 5150 3.85 3 USGS 15208000 1964-06-17 5060 4.05 2,3 1964-04-20 4.74 1,3 USGS 15208000 1965-07-14 3650 3.41 3 USGS 15208000 1966-06-12 4030 3.60 3 USGS 15208000 1967-06-13 3030 3.09 3 USGS 15208000 1968-06-16 4400 3.91 3 USGS 15208000 1969-06-17 2860 2.99 3 USGS 15208000 1970-07-31 3020 3.16 3 USGS 15208000 1971-07-16 4750 4.14 3 USGS 15208000 1972-06-17 3900 3.70 3 USGS 15208000 1973-06-19 3640 3.85 3 USGS 15208000 1974-08-31 2780 20.40 USGS 15208000 1975-07-14 5030 21.49 USGS 15208000 1976-06-30 3210 20.78 USGS 15208000 1977-07-14 5680 21.75 USGS 15208000 1978-08-06 2510 20.22 USGS 15208000 1979-07-07 2850 20.45 USGS 15208000 1980-06-12 4930 21.45 USGS 15208000 1981-08-09 5520 21.69 USGS 15208000 1982-06-29 3440 20.72 USGS 15208000 1995-09-22 7000 7 22.13 1962 USGS 15208000 2006-10-09 14000 2,7 24.30