# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-02 21:21:29 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 11460000 CORTE MADERA C A ROSS 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 11460000 1951-12-03 3300 5 16.65 USGS 11460000 1952-12-07 3280 5 16.59 USGS 11460000 1954-01-17 1940 5 12.82 USGS 11460000 1954-12-05 648 5 1955-01-21 7.37 USGS 11460000 1955-12-22 3620 5 17.45 USGS 11460000 1957-02-23 652 5 7.63 USGS 11460000 1958-04-02 3130 5 16.23 USGS 11460000 1959-02-16 1870 5 12.58 USGS 11460000 1960-02-08 2610 5 14.87 USGS 11460000 1960-12-01 519 5 7.33 USGS 11460000 1962-02-13 2690 5 16.01 USGS 11460000 1963-01-30 2460 5 15.24 USGS 11460000 1964-01-20 1040 5 10.07 USGS 11460000 1965-01-05 1400 5 11.57 USGS 11460000 1966-01-05 2880 5 16.62 USGS 11460000 1967-01-21 3120 5 17.44 USGS 11460000 1968-01-29 1700 5 12.69 USGS 11460000 1969-02-15 1870 5 13.43 USGS 11460000 1969-12-20 3290 5 17.97 USGS 11460000 1970-12-03 2640 5 15.11 USGS 11460000 1971-12-12 908 5 8.90 USGS 11460000 1973-01-16 2690 5 16.16 USGS 11460000 1973-11-16 1950 5 13.49 USGS 11460000 1975-03-21 2640 5 15.97 USGS 11460000 1975-10-09 330 5 8.37 USGS 11460000 1977-01-02 144 5 7.36 USGS 11460000 1978-01-14 2180 5 14.32 USGS 11460000 1979-02-13 1430 5 12.54 USGS 11460000 1980-01-11 2910 5 16.45 USGS 11460000 1981-01-27 1190 5 11.36 USGS 11460000 1982-01-04 7200 5 19.81 USGS 11460000 1983-03-13 3480 5 16.89 USGS 11460000 1983-12-25 2300 5 14.35 USGS 11460000 1985-02-08 2600 5 15.11 USGS 11460000 1986-02-17 4150 5 18.07 USGS 11460000 1987-02-13 2330 5 14.98 USGS 11460000 1987-12-08 975 5 10.35 USGS 11460000 1989-03-10 1350 5 11.78 USGS 11460000 1990-02-16 588 5 8.78 USGS 11460000 1991-03-24 1650 5 12.86 USGS 11460000 1992-02-19 1790 5 13.32 USGS 11460000 1993-01-20 3350 5 17.04 USGS 11460000 1997-01-01 2270 5,7 14.83 USGS 11460000 2010-01-20 1830 5 13.45 USGS 11460000 2011-03-24 2350 5 14.99 USGS 11460000 2012-03-16 1340 5 11.23 USGS 11460000 2012-12-02 2770 5 16.04 USGS 11460000 2014-02-09 810 5 9.24 USGS 11460000 2014-12-11 2150 5 14.21 USGS 11460000 2016-01-19 1470 5 12.16 USGS 11460000 2017-02-07 4560 5 17.66 USGS 11460000 2018-03-22 08:15 1000 5 10.21 USGS 11460000 2019-02-14 02:15 2530 5 14.62 USGS 11460000 2019-12-07 00:30 859 5 9.55 USGS 11460000 2021-01-27 00:15 419 5 7.64 USGS 11460000 2021-10-24 15:30 3330 5 16.54 USGS 11460000 2023-03-10 02:00 3080 5 15.89