# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-07-27 12:41:37 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 12502500 AHTANUM CREEK AT UNION GAP, WA # # 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 12502500 1908-03-16 419 USGS 12502500 1910-03-03 1530 1 USGS 12502500 1912-05-17 258 1 USGS 12502500 1913-06-04 447 3.30 USGS 12502500 1914-05-25 369 1.85 USGS 12502500 1952-05-20 255 2.10 USGS 12502500 1960-09-30 25.0 1 USGS 12502500 1961-06-06 397 2.69 USGS 12502500 1962-04-08 303 2.37 USGS 12502500 1963-02-05 1340 3.84 USGS 12502500 1964-06-10 408 2.65 USGS 12502500 1965-01-31 798 3.74 USGS 12502500 1966-04-10 260 2.41 USGS 12502500 1967-05-22 386 2.79 USGS 12502500 1968-02-24 449 2.96 USGS 12502500 1969-05-12 460 2.84 USGS 12502500 1970-06-05 316 2.47 USGS 12502500 1971-01-16 448 2.87 USGS 12502500 1972-06-11 660 3.09 USGS 12502500 1972-12-22 235 4.84 USGS 12502500 1974-01-16 3100 10.36 1908 USGS 12502500 1975-03-03 452 4.75 USGS 12502500 1975-12-04 596 5.13 USGS 12502500 1976-12-08 50.0 3.08 USGS 12502500 1977-12-03 882 6.05 USGS 12502500 1979-02-07 217 3.97 USGS 12502500 1980-02-29 1020 6.38 USGS 12502500 1980-12-27 763 6.44 USGS 12502500 1982-02-21 1110 7.18 USGS 12502500 1983-03-13 1240 7.32 USGS 12502500 1984-01-25 297 5.18 USGS 12502500 1985-06-08 212 4.68 USGS 12502500 1986-02-25 993 7.34 USGS 12502500 1987-04-30 263 5.05 USGS 12502500 1987-12-10 419 5.80 USGS 12502500 1989-04-21 347 5.51 USGS 12502500 1990-04-17 219 5.12 USGS 12502500 1991-05-21 139 4.52 2 1990-11-26 5.44 1 USGS 12502500 1992-04-20 105 4.19 USGS 12502500 1993-05-14 243 5.12 USGS 12502500 1994-04-22 144 4.47 USGS 12502500 1995-02-02 1700 9.00 USGS 12502500 1996-02-09 2660 13.50 USGS 12502500 1997-05-15 733 6.80 USGS 12502500 1998-05-04 633 6.65 USGS 12502500 1999-06-17 454 6.09 USGS 12502500 2000-04-14 309 5.41 USGS 12502500 2001-04-28 55.0 3.68 USGS 12502500 2002-04-15 380 5.78 USGS 12502500 2003-02-01 1010 7.63 USGS 12502500 2004-03-19 170 4.35 USGS 12502500 2005-05-16 103 4.04 USGS 12502500 2006-05-21 592 6.41 USGS 12502500 2007-03-13 473 5.95 USGS 12502500 2008-05-19 669 6.59 USGS 12502500 2009-01-08 579 6.25 USGS 12502500 2010-05-20 454 5.74 USGS 12502500 2011-05-16 939 7.52 USGS 12502500 2012-04-26 594 6.31 USGS 12502500 2013-05-13 375 5.39 USGS 12502500 2014-03-10 323 5.14 USGS 12502500 2015-02-08 468 5.80 USGS 12502500 2016-03-07 697 7.03 USGS 12502500 2017-03-16 892 8.35 USGS 12502500 2017-11-24 06:00 445 2018-05-10 0915 6.77 USGS 12502500 2019-05-22 03:15 305 USGS 12502500 2020-02-08 11:30 136 4.17 USGS 12502500 2021-01-13 21:45 139 4.32 USGS 12502500 2022-06-06 13:15 234 5.05 USGS 12502500 2023-05-17 16:00 450 5.89