# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-24 01:11:20 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 Alaska 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 15261000 COOPER C AT MOUTH NR COOPER LANDING 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 15261000 1958-06-22 608 2.91 2,3 1957-12-21 3.41 1,3 USGS 15261000 1959-06-20 455 5 3.00 2,3 1958-12-09 3.75 1,3 USGS 15261000 1960-05-23 259 5 1.69 3 USGS 15261000 1961-09-21 841 6,9 2.11 2,3 1961-01-01 4.70 1,3 USGS 15261000 1961-10-02 540 6 0.36 2,3 1962-06-22 3.02 1,3 USGS 15261000 1963-06-22 126 6 1.67 2 1962-11-23 1.83 1,3 USGS 15261000 1964-06-02 260 6 2.01 2 1963-11-20 2.40 1 USGS 15261000 1999-09-18 240 6 11.04 USGS 15261000 2000-06-07 203 6 10.91 USGS 15261000 2001-06-23 288 6 11.19 USGS 15261000 2002-05-23 213 6 10.92 USGS 15261000 2002-10-23 1230 6 12.45 2 2003-01-08 13.60 1 USGS 15261000 2004-05-24 260 6 10.94 USGS 15261000 2004-10-03 246 6 10.98 USGS 15261000 2006-05-28 227 6 10.98 2 2005-12-17 5.94 1 USGS 15261000 2006-10-10 397 6 11.38 USGS 15261000 2007-11-22 195 6 10.93 USGS 15261000 2008-10-10 277 6 11.13 USGS 15261000 2010-05-30 196 6 10.86 USGS 15261000 2010-10-02 392 6 11.38 2 2010-11-22 12.47 1 USGS 15261000 2012-09-23 351 6 11.28 2 2011-11-17 13.32 1 USGS 15261000 2013-05-29 251 6 10.99 2 2012-11-08 14.45 1 USGS 15261000 2013-10-28 271 6 11.06 2 2013-12-04 13.76 1 USGS 15261000 2015-04-19 132 6 10.54 2 2015-02-01 12.96 1 USGS 15261000 2016-06-20 151 6 10.70 2 2015-11-19 12.90 1 USGS 15261000 2016-11-10 69.0 6 10.28 2 2017-01-26 12.07 1 USGS 15261000 2018-06-18 17:30 594 6 11.60 2 2018-01-31 1115 14.46 1 USGS 15261000 2018-10-16 07:00 629 6 11.79 2 2019-01-12 1900 14.06 1 USGS 15261000 2019-12-09 18:30 305 6 11.12 2 2020-01-08 1300 14.28 1 USGS 15261000 2020-10-03 01:45 300 6 11.08 2 2020-11-07 2330 13.09 1 USGS 15261000 2021-10-31 10:00 413 6 11.32 2 2021-11-21 1445 13.29 1 USGS 15261000 2023-05-16 19:00 102 6,9 10.43 2 2022-12-12 1700 13.20 1