# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-11 20:51:36 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 Washington 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 12150800 SNOHOMISH RIVER NEAR MONROE, 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 12150800 1964-01-01 47400 13.24 USGS 12150800 1965-01-30 67800 17.53 USGS 12150800 1966-05-07 34100 10.19 USGS 12150800 1966-12-13 54900 14.94 USGS 12150800 1967-12-26 73100 17.68 USGS 12150800 1969-01-05 72100 17.52 USGS 12150800 1970-01-23 32700 9.96 USGS 12150800 1971-01-19 60300 15.55 USGS 12150800 1972-02-28 68300 16.88 USGS 12150800 1972-12-26 61300 15.71 USGS 12150800 1974-01-17 72500 17.59 USGS 12150800 1975-01-18 67700 16.79 USGS 12150800 1975-12-04 115000 22.92 USGS 12150800 1977-01-18 58200 15.23 USGS 12150800 1977-12-03 83200 19.74 USGS 12150800 1979-03-07 44400 12.47 USGS 12150800 1979-12-18 74900 18.48 USGS 12150800 1980-12-26 82200 19.60 USGS 12150800 1982-02-16 72000 18.00 USGS 12150800 1982-12-04 68900 17.38 USGS 12150800 1984-01-25 66800 16.96 USGS 12150800 1985-06-08 47100 13.01 USGS 12150800 1985-11-03 64300 16.46 USGS 12150800 1986-11-24 90600 20.68 USGS 12150800 1987-12-10 42400 12.08 USGS 12150800 1988-10-16 65500 16.70 USGS 12150800 1989-12-05 70400 17.68 USGS 12150800 1990-11-25 150000 25.30 USGS 12150800 1992-01-24 42200 12.08 USGS 12150800 1993-01-25 52700 14.27 USGS 12150800 1994-03-03 26300 1,2 USGS 12150800 1995-02-19 59700 15.66 USGS 12150800 1995-11-30 132000 24.10 USGS 12150800 1997-03-20 65800 16.84 USGS 12150800 1997-10-30 52500 14.23 USGS 12150800 1998-12-30 64300 16.56 USGS 12150800 1999-12-16 61300 15.98 USGS 12150800 2000-10-01 31700 9.74 USGS 12150800 2002-01-08 59300 15.33 USGS 12150800 2003-01-26 53100 14.07 USGS 12150800 2003-10-21 67900 17.06 USGS 12150800 2005-01-19 69900 17.44 USGS 12150800 2006-01-10 45400 12.45 USGS 12150800 2006-11-07 124000 23.54 USGS 12150800 2007-12-04 64200 16.32 USGS 12150800 2009-01-08 132000 24.12 USGS 12150800 2009-11-17 40600 11.42 USGS 12150800 2011-01-17 79800 19.24 USGS 12150800 2012-02-22 49500 13.32 USGS 12150800 2013-04-06 36700 10.59 USGS 12150800 2014-03-09 53500 14.15 USGS 12150800 2014-11-28 65500 16.58 USGS 12150800 2015-11-18 79500 18.94 USGS 12150800 2017-03-15 47200 12.79 USGS 12150800 2017-11-23 23:15 66700 16.59 USGS 12150800 2018-11-02 19:00 50100 13.38 USGS 12150800 2020-02-01 22:15 76700 18.44 USGS 12150800 2021-01-13 13:00 54300 14.38 USGS 12150800 2021-11-15 06:30 66100 16.60 USGS 12150800 2022-11-05 07:45 58000 15.00 USGS 12150800 2023-12-06 02:45 64700 16.38