# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-23 21:36:27 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 12155500 SNOHOMISH RIVER AT SNOHOMISH, 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 12155500 1906-00-00 35.00 Bm USGS 12155500 1917-00-00 31.50 Bm USGS 12155500 1921-00-00 30.80 Bm USGS 12155500 1932-02-00 29.60 Bd USGS 12155500 1933-00-00 30.00 Bm USGS 12155500 1941-12-19 33400 22.80 USGS 12155500 1942-11-24 56600 25.86 USGS 12155500 1943-12-03 64600 26.90 USGS 12155500 1945-01-07 61000 26.70 USGS 12155500 1945-10-25 55800 26.27 USGS 12155500 1946-12-15 70000 27.50 USGS 12155500 1947-10-19 58700 27.10 USGS 12155500 1948-11-24 44000 24.79 USGS 12155500 1949-11-27 67000 27.50 USGS 12155500 1951-02-10 136000 30.12 1 1933 USGS 12155500 1951-10-04 28800 21.43 1 USGS 12155500 1953-01-23 65800 28.17 1 USGS 12155500 1953-12-10 54000 27.18 1 USGS 12155500 1955-02-08 54800 27.40 USGS 12155500 1955-11-04 58600 28.10 USGS 12155500 1956-12-10 59000 28.21 USGS 12155500 1958-01-17 37500 23.75 USGS 12155500 1959-04-29 59800 28.40 USGS 12155500 1959-11-23 113000 30.89 USGS 12155500 1961-02-21 60500 28.79 USGS 12155500 1962-01-08 57200 28.17 USGS 12155500 1962-11-20 66900 29.22 USGS 12155500 1964-01-01 49000 25.33 USGS 12155500 1965-01-31 71600 30.16 USGS 12155500 1966-05-07 36200 21.75