# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-23 07:33:11 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 11181000 SAN LORENZO C A HAYWARD 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 11181000 1940-02-27 2990 13.13 USGS 11181000 1942-01-24 4200 7 15.70 USGS 11181000 1947-03-10 390 5.30 USGS 11181000 1948-03-23 98.0 3.48 USGS 11181000 1949-03-11 461 5.64 USGS 11181000 1950-01-17 921 7.64 USGS 11181000 1950-12-03 2610 12.70 USGS 11181000 1952-01-12 1990 11.10 USGS 11181000 1952-12-07 1330 9.01 USGS 11181000 1954-02-14 491 6.16 USGS 11181000 1955-01-18 348 5.51 USGS 11181000 1955-12-22 4790 20.82 USGS 11181000 1957-05-18 332 5.97 USGS 11181000 1958-04-02 5100 17.45 USGS 11181000 1959-02-16 312 5.79 USGS 11181000 1960-02-08 1270 8.43 USGS 11181000 1960-11-26 147 5.23 USGS 11181000 1962-02-15 1030 8.17 USGS 11181000 1962-10-13 7460 5 19.73 USGS 11181000 1964-01-20 768 5 8.58 USGS 11181000 1965-01-05 1420 5 10.35 USGS 11181000 1966-01-29 252 5 7.01 USGS 11181000 1967-01-21 2880 5 13.14 USGS 11181000 1968-01-30 315 5 7.19 USGS 11181000 1969-01-26 1410 5 10.33 USGS 11181000 1970-01-21 3040 5 13.40 USGS 11181000 1970-12-04 1260 5 10.01 USGS 11181000 1972-02-05 47.0 5 5.53 USGS 11181000 1973-02-27 3600 5 14.33 USGS 11181000 1974-04-01 3500 5 14.16 USGS 11181000 1975-03-21 2460 5 12.39 USGS 11181000 1975-10-29 179 5 6.50 USGS 11181000 1977-03-15 24.0 5 5.36 USGS 11181000 1978-01-16 2410 5 12.32 USGS 11181000 1979-01-15 1100 5 8.57 USGS 11181000 1980-01-13 3620 5 13.86 USGS 11181000 1981-01-27 230 5 5.99 USGS 11181000 1982-01-05 7740 5 20.15 USGS 11181000 1983-03-13 5420 5 16.80 USGS 11181000 1998-02-03 8140 5 21.85 USGS 11181000 1999-02-07 2690 5 13.42 USGS 11181000 2000-02-13 2890 5 13.82 USGS 11181000 2001-01-25 137 5 5.06 USGS 11181000 2001-12-29 309 5 6.24 USGS 11181000 2002-12-16 3380 5 14.93 USGS 11181000 2004-01-01 2140 5 12.35 USGS 11181000 2005-03-23 711 5 8.14 USGS 11181000 2005-12-31 4070 5 16.06 USGS 11181000 2007-02-26 498 5 6.73 USGS 11181000 2008-01-04 957 5 8.66 USGS 11181000 2009-03-03 424 5 6.35 USGS 11181000 2010-01-20 1930 5 11.65 USGS 11181000 2011-03-24 3050 5 14.34 USGS 11181000 2012-04-13 1300 5 9.72 USGS 11181000 2012-12-02 2130 5 12.18 USGS 11181000 2014-04-01 197 5 4.73 USGS 11181000 2014-12-12 1100 5 9.01 USGS 11181000 2016-01-19 1480 5 10.29 USGS 11181000 2017-02-20 4040 5 16.33 USGS 11181000 2018-04-07 07:30 660 5 7.24 USGS 11181000 2019-01-16 23:15 1610 5 10.69 USGS 11181000 2019-11-26 21:00 119 5 4.05 2 2019-12-22 1300 4.11 USGS 11181000 2021-01-28 08:45 164 5 4.47 USGS 11181000 2021-12-23 09:15 1550 5 10.52 USGS 11181000 2022-12-31 14:45 5930 5 22.38