# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-27 11:30:58 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 15300000 NEWHALEN R NR ILIAMNA 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 15300000 1951-09-06 26300 7.33 USGS 15300000 1952-07-30 26600 7.40 USGS 15300000 1953-07-01 29600 8.03 USGS 15300000 1954-08-26 23200 6.66 USGS 15300000 1955-07-28 27200 7.52 USGS 15300000 1956-08-19 25500 7.16 USGS 15300000 1957-09-15 25100 7.05 USGS 15300000 1958-06-24 25200 7.07 USGS 15300000 1959-08-30 36000 9.19 USGS 15300000 1960-08-09 22900 6.58 USGS 15300000 1961-09-00 01:00 29900 Bd 7.91 Bd USGS 15300000 1962-07-12 24900 7.00 USGS 15300000 1963-08-28 32600 8.54 USGS 15300000 1964-06-30 27200 7.47 USGS 15300000 1965-09-29 27600 7.66 USGS 15300000 1966-07-12 24900 7.00 USGS 15300000 1967-08-19 34600 8.93 USGS 15300000 1969-09-15 21300 6.24 USGS 15300000 1970-09-00 20700 Bd 6.12 Bd USGS 15300000 1971-08-16 44200 10.68 USGS 15300000 1972-09-00 02:00 26900 Bd 7.42 Bd USGS 15300000 1973-00-00 01:00 19800 Bm 5.92 Bm USGS 15300000 1974-00-00 01:00 16600 Bm 5.20 Bm USGS 15300000 1975-09-09 25000 7.02 USGS 15300000 1976-09-00 19000 Bd 5.77 Bd USGS 15300000 1977-08-00 34400 Bd 8.88 Bd USGS 15300000 1982-09-23 25600 7.16 USGS 15300000 1983-08-13 18400 5.61 USGS 15300000 1984-08-29 20200 6.00 USGS 15300000 1985-07-11 28600 7.75 USGS 15300000 1985-10-02 23100 6.63