# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-01 01:40:54 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 11179000 ALAMEDA C NR NILES 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 11179000 1892-03-30 4080 1 USGS 11179000 1892-11-30 16200 1 USGS 11179000 1894-02-19 9630 1 USGS 11179000 1895-01-18 10900 1 USGS 11179000 1896-01-18 6360 1 USGS 11179000 1897-03-28 8400 1 USGS 11179000 1898-02-25 497 1 USGS 11179000 1899-03-24 8400 1 USGS 11179000 1900-01-03 8400 1 USGS 11179000 1900-11-21 8260 1 USGS 11179000 1902-03-02 4130 1 USGS 11179000 1903-03-31 6680 1 USGS 11179000 1904-03-20 2340 1 USGS 11179000 1905-03-19 1880 1 USGS 11179000 1906-01-19 7030 1 USGS 11179000 1907-03-19 10900 1 USGS 11179000 1908-02-03 1170 1 USGS 11179000 1909-01-21 10600 1 USGS 11179000 1910-01-24 2340 1 USGS 11179000 1911-03-07 14700 1 USGS 11179000 1912-01-26 808 1 USGS 11179000 1913-01-18 918 1 USGS 11179000 1914-01-25 8200 1 USGS 11179000 1915-02-02 6680 1 USGS 11179000 1916-01-03 6720 1,6 USGS 11179000 1917-02-25 10200 6 10.45 USGS 11179000 1918-03-12 575 1,6 USGS 11179000 1919-02-10 13600 6 USGS 11179000 1920-04-15 1070 6 USGS 11179000 1921-01-19 3860 6 USGS 11179000 1922-02-10 13900 6 12.44 USGS 11179000 1922-12-13 3190 6 5.88 USGS 11179000 1923-10-10 40.0 6 1.00 USGS 11179000 1925-02-06 2900 6 7.10 6 USGS 11179000 1926-02-13 6630 6 9.65 USGS 11179000 1927-02-18 3650 6 7.40 USGS 11179000 1928-03-27 4850 6 8.50 USGS 11179000 1929-02-04 288 6 4.02 USGS 11179000 1930-03-05 4720 6 8.45 USGS 11179000 1931-05-01 107 6 3.52 USGS 11179000 1931-12-28 6300 6 9.87 USGS 11179000 1933-01-27 905 6 5.05 USGS 11179000 1934-01-01 2100 6 6.51 USGS 11179000 1935-04-08 1800 6 5.95 USGS 11179000 1936-02-14 5450 6 8.80 USGS 11179000 1937-03-22 7350 6 10.30 USGS 11179000 1938-02-11 10500 6 11.46 USGS 11179000 1939-02-08 783 6 4.79 USGS 11179000 1940-02-27 8600 6 10.60 USGS 11179000 1941-04-05 6720 6 9.62 USGS 11179000 1942-01-25 5510 6 8.90 USGS 11179000 1943-01-23 7290 6 9.94 USGS 11179000 1944-03-05 2820 6 6.97 USGS 11179000 1945-02-02 10700 6 10.54 USGS 11179000 1945-12-25 713 6 4.69 USGS 11179000 1947-03-10 167 6 3.61 USGS 11179000 1948-03-24 104 6 3.36 USGS 11179000 1949-03-12 755 6 4.76 USGS 11179000 1950-01-17 1380 6 5.55 USGS 11179000 1950-11-19 18400 6 12.50 USGS 11179000 1952-01-12 24300 6 13.92 USGS 11179000 1952-12-07 1470 6 5.62 USGS 11179000 1954-02-14 592 6 4.56 USGS 11179000 1955-01-18 690 6 4.70 USGS 11179000 1955-12-23 29000 6 14.90 USGS 11179000 1957-02-25 970 6 5.05 USGS 11179000 1958-04-03 25500 6 14.17 USGS 11179000 1959-02-16 4260 6 7.46 USGS 11179000 1960-02-08 2120 6 6.12 USGS 11179000 1960-12-31 22.0 6 2.88 USGS 11179000 1962-02-15 3340 6 6.96 USGS 11179000 1963-02-01 11500 6 10.48 USGS 11179000 1964-01-22 1850 6 5.89 USGS 11179000 1964-12-23 5320 6 8.01 USGS 11179000 1965-12-29 756 6 4.72 USGS 11179000 1967-01-22 13600 6 11.15 USGS 11179000 1968-01-30 2260 6 6.23 USGS 11179000 1969-01-26 6300 6 8.44 USGS 11179000 1970-01-21 6940 6 8.71 USGS 11179000 1970-12-02 2300 6 6.26 USGS 11179000 1971-12-25 331 6 4.11 USGS 11179000 1973-01-18 8350 6 9.28 USGS 11179000 1974-04-01 6660 6 8.59 USGS 11179000 1975-03-22 4120 6 7.41 USGS 11179000 1976-02-29 340 6 4.13 USGS 11179000 1977-01-03 430 6 4.30 USGS 11179000 1978-01-16 3970 6 7.33 USGS 11179000 1979-02-21 2060 6 6.07 USGS 11179000 1980-02-19 10300 6 12.08 USGS 11179000 1981-01-29 1040 6 5.12 USGS 11179000 1982-01-05 12700 6 12.96 USGS 11179000 1983-01-27 12500 6 12.86 USGS 11179000 1983-11-24 5280 6 8.64 USGS 11179000 1985-02-08 3530 6 7.38 USGS 11179000 1986-02-19 16400 6 14.77 USGS 11179000 1987-02-13 4170 6 7.85 USGS 11179000 1988-01-16 1470 6 5.62 USGS 11179000 1988-11-23 919 6 4.87 USGS 11179000 1990-02-16 2390 6 6.28 USGS 11179000 1991-03-24 3430 6 7.15 USGS 11179000 1992-02-15 3330 6 7.07 USGS 11179000 1993-01-13 10100 6 11.25 USGS 11179000 1994-02-20 1320 6 5.29 USGS 11179000 1995-03-22 15000 6 13.55 USGS 11179000 1996-02-21 8840 6 10.56 USGS 11179000 1997-01-26 10700 6 11.53 USGS 11179000 1998-02-03 17900 6 14.83 USGS 11179000 1999-02-09 4570 6 7.98 USGS 11179000 2000-02-14 6290 6 9.09 USGS 11179000 2001-01-25 1590 6 5.54 USGS 11179000 2001-12-02 2530 6 6.40 USGS 11179000 2002-12-16 10400 6 11.40 USGS 11179000 2004-01-01 6020 6 8.92 USGS 11179000 2005-03-23 3580 6 7.27 USGS 11179000 2005-12-31 10100 6 11.25 USGS 11179000 2007-02-26 2830 6 6.66 USGS 11179000 2008-01-04 7530 6 9.82 USGS 11179000 2009-03-04 3450 6 7.17 USGS 11179000 2009-10-13 7370 6 9.73 USGS 11179000 2011-03-24 11400 6 11.23 USGS 11179000 2012-01-21 2940 6 6.72 USGS 11179000 2012-12-02 6880 6 9.18 USGS 11179000 2014-02-28 1500 6 5.60 USGS 11179000 2014-12-12 8810 6 10.11 USGS 11179000 2016-01-19 4500 6 7.86 USGS 11179000 2017-02-20 17700 6 14.81 USGS 11179000 2018-01-09 06:45 1990 6 6.12 USGS 11179000 2019-02-13 13:30 6680 6 9.49 USGS 11179000 2020-04-05 22:30 1480 6 5.62 USGS 11179000 2021-01-28 15:15 2200 6 6.31 USGS 11179000 2021-10-24 22:30 5580 6 9.12 USGS 11179000 2022-12-31 17:45 22200 6 17.17