# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-22 08:50:28 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 12118500 ROCK CREEK NEAR MAPLE VALLEY, 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 12118500 1946-01-07 72.0 2.32 USGS 12118500 1946-12-14 105 2.82 USGS 12118500 1948-02-27 87.0 2.12 USGS 12118500 1948-12-12 72.0 1.86 USGS 12118500 1950-03-05 138 3.84 USGS 12118500 1951-02-11 165 4.26 USGS 12118500 1952-02-09 24.0 1.00 USGS 12118500 1953-01-30 70.0 1.77 USGS 12118500 1954-01-09 75.0 2.26 USGS 12118500 1955-04-21 39.0 1.92 USGS 12118500 1955-12-12 146 2.72 USGS 12118500 1957-03-12 59.0 2.15 USGS 12118500 1958-02-17 45.0 2.12 USGS 12118500 1959-01-26 111 2.51 USGS 12118500 1959-12-17 117 2.64 USGS 12118500 1961-02-26 114 2.58 USGS 12118500 1962-03-30 19.0 1.68 2 1962-04-03 1.78 1 USGS 12118500 1963-01-05 44.0 1.94 USGS 12118500 1964-01-26 113 2.55 USGS 12118500 1965-01-30 187 3.57 2 1965-01-30 1200 3.74 1 USGS 12118500 1966-01-06 30.0 1.87 2 1966-04-04 1.97 1 USGS 12118500 1967-01-21 79.0 2.25 USGS 12118500 1968-02-24 47.0 1.98 USGS 12118500 1969-01-08 104 2.49 USGS 12118500 1970-01-27 54.0 2.13 USGS 12118500 1971-01-26 66.0 2.20 USGS 12118500 1972-03-06 221 4.06 USGS 12118500 1972-12-29 61.0 2.14 USGS 12118500 1974-02-01 133 2.81 USGS 12118500 1975-01-20 137 2.86 USGS 12118500 1975-12-03 135 2.84 USGS 12118500 2001-05-08 14.0 5 10.92 6 USGS 12118500 2001-12-18 60.0 5 11.57 USGS 12118500 2003-03-24 46.0 5 11.46 USGS 12118500 2004-02-01 44.0 5 21.10 USGS 12118500 2004-12-16 27.0 5 20.37 USGS 12118500 2006-01-12 135 5 21.93 USGS 12118500 2007-01-09 74.0 5 21.29 USGS 12118500 2008-02-13 32.0 5 20.57 USGS 12118500 2009-01-08 230 5 22.60 USGS 12118500 2010-06-12 46.0 5 20.74 USGS 12118500 2011-01-23 140 5 21.98 USGS 12118500 2012-02-01 87.0 5 21.43 USGS 12118500 2013-04-21 70.0 5 21.21 USGS 12118500 2014-03-11 143 5 21.95 USGS 12118500 2015-02-10 47.0 5 20.91 USGS 12118500 2015-12-10 131 5 21.89 USGS 12118500 2017-03-19 109 5 21.90 USGS 12118500 2018-02-05 12:45 80.2 5 21.56 USGS 12118500 2019-04-14 14:00 36.2 5 20.85 USGS 12118500 2020-02-07 02:45 267 5 23.19 USGS 12118500 2021-01-14 00:30 99.5 5