# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-02 02:38:53 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 10336660 BLACKWOOD C NR TAHOE CITY CA # # 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 10336660 1961-05-10 200 5.98 USGS 10336660 1962-05-08 238 6.13 USGS 10336660 1963-01-31 2000 8.90 USGS 10336660 1963-11-15 322 4.27 USGS 10336660 1964-12-00 2100 Bd 1964-12-22 9.90 USGS 10336660 1966-05-10 198 5.21 USGS 10336660 1967-03-16 1670 7.84 USGS 10336660 1968-02-20 334 6.11 USGS 10336660 1969-05-24 605 6.35 USGS 10336660 1970-01-21 1910 8.48 USGS 10336660 1971-06-26 585 3.38 6 USGS 10336660 1972-05-13 287 2.41 USGS 10336660 1973-05-13 393 2.78 USGS 10336660 1973-11-12 704 3.64 USGS 10336660 1975-06-06 449 2.87 USGS 10336660 1975-10-26 274 2.28 USGS 10336660 1977-06-01 88.0 1.42 USGS 10336660 1978-05-14 301 2.39 USGS 10336660 1979-05-21 336 2.51 USGS 10336660 1980-01-13 1100 8.65 1 USGS 10336660 1981-05-01 208 2.46 USGS 10336660 1981-12-20 1840 8.02 USGS 10336660 1983-05-29 687 3.79 USGS 10336660 1983-11-17 548 3.45 USGS 10336660 1985-05-02 202 2.36 USGS 10336660 1986-03-08 1640 6.14 USGS 10336660 1987-04-27 170 2.26 USGS 10336660 1988-05-15 87.0 1.74 USGS 10336660 1989-05-07 291 2.87 USGS 10336660 1990-04-28 125 1.98 2 1990-02-18 2.01 1 USGS 10336660 1991-05-25 177 2.37 2 1991-03-04 3.35 1 USGS 10336660 1992-04-17 159 2.26 USGS 10336660 1993-05-31 534 3.59 2 1993-01-23 4.15 1 USGS 10336660 1994-05-11 143 2.12 USGS 10336660 1995-05-01 636 3.85 2 1995-01-14 3.87 USGS 10336660 1996-05-16 963 4.74 USGS 10336660 1997-01-01 2940 9.82 USGS 10336660 1998-06-07 432 3.20 USGS 10336660 1999-05-26 429 3.24 USGS 10336660 2000-05-08 435 3.31 USGS 10336660 2001-05-15 163 2.20 USGS 10336660 2002-04-14 249 2 3.01 USGS 10336660 2003-05-28 372 3.01 USGS 10336660 2004-05-04 242 2.62 USGS 10336660 2005-05-19 765 4.17 USGS 10336660 2005-12-31 2260 7.43 USGS 10336660 2007-05-09 178 2.57 USGS 10336660 2008-05-17 343 3.01 USGS 10336660 2009-05-05 599 3.48 USGS 10336660 2010-06-06 462 3.09 USGS 10336660 2011-06-22 571 3.25 USGS 10336660 2012-04-26 483 3.20 USGS 10336660 2012-12-02 1230 3.53 USGS 10336660 2014-02-09 120 1.74 2,6 2014-05-15 9.18 6 USGS 10336660 2015-02-08 577 11.13 USGS 10336660 2016-01-30 534 11.02 USGS 10336660 2017-01-08 14.31 USGS 10336660 2018-04-07 09:45 13.05 USGS 10336660 2019-06-05 19:15 452 10.96 2 2019-02-14 1345 13.20 1 USGS 10336660 2020-05-17 23:45 297 10.34 USGS 10336660 2021-05-06 19:45 127 9.51 USGS 10336660 2021-10-24 23:30 644 11.57 USGS 10336660 2023-05-21 21:15 622 11.60 2 2022-12-31 0415 12.00