# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-03 12:00:01 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 15211900 O'BRIEN C NR CHITINA 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 15211900 1970-00-00 310 Bm 4.02 Bm USGS 15211900 1971-07-00 1670 Bd 7.32 Bd USGS 15211900 1972-08-00 830 Bd 5.16 Bd USGS 15211900 1973-07-00 492 Bd 4.34 Bd USGS 15211900 1974-06-00 317 Bd 3.66 Bd USGS 15211900 1975-07-01 530 4.47 USGS 15211900 1976-08-00 440 Bd 3.87 Bd USGS 15211900 1977-07-00 770 Bd 4.12 Bd USGS 15211900 1979-06-00 360 Bd 4.03 Bd USGS 15211900 1980-06-06 700 4.78 USGS 15211900 1981-08-07 1940 3.40 USGS 15211900 1982-07-00 570 Bd 2.39 Bd USGS 15211900 1984-06-00 990 Bd 2.78 Bd USGS 15211900 1985-06-00 1060 Bd 2.83 Bd USGS 15211900 1986-05-27 1260 2.98 USGS 15211900 1987-06-13 1410 3.08 USGS 15211900 1988-06-15 1150 2.90 USGS 15211900 1989-04-25 390 2.18 USGS 15211900 1990-06-06 1950 2.70 USGS 15211900 1992-06-16 980 1.21 USGS 15211900 1993-05-27 1020 1.11 USGS 15211900 1994-06-22 960 2.16 USGS 15211900 1995-09-22 750 3.90 USGS 15211900 1996-06-03 390 2.98 USGS 15211900 2006-10-09 8.03