# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-30 04:11:57 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 11098000 ARROYO SECO NR PASADENA 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 11098000 1914-02-20 5800 12.50 USGS 11098000 1915-02-03 634 5.60 USGS 11098000 1916-01-17 3150 9.30 USGS 11098000 1916-12-24 760 4.79 6 USGS 11098000 1918-03-10 570 4.10 USGS 11098000 1919-02-11 92.0 2.72 USGS 11098000 1920-03-02 450 3.74 USGS 11098000 1921-03-13 650 4.30 USGS 11098000 1921-12-19 2800 7.75 USGS 11098000 1922-12-13 370 3.50 USGS 11098000 1924-03-26 81.0 2.35 USGS 11098000 1925-04-04 210 2.95 USGS 11098000 1926-04-07 1450 5.95 USGS 11098000 1927-02-16 1400 5.90 USGS 11098000 1928-02-04 298 3.45 USGS 11098000 1929-04-04 155 2.78 USGS 11098000 1930-05-03 143 2.65 USGS 11098000 1931-02-03 151 2.70 USGS 11098000 1931-12-28 480 4.80 USGS 11098000 1933-01-19 4.85 USGS 11098000 1934-01-01 950 6.38 USGS 11098000 1934-10-17 2000 2 8.60 USGS 11098000 1936-02-12 706 5.20 USGS 11098000 1937-02-06 640 4.20 USGS 11098000 1938-03-02 8620 USGS 11098000 1938-12-18 375 7.70 USGS 11098000 1940-01-08 452 7.92 USGS 11098000 1941-02-20 1340 8.57 USGS 11098000 1941-12-10 146 6.57 USGS 11098000 1943-01-23 5660 11.86 USGS 11098000 1944-02-22 1800 9.00 USGS 11098000 1944-11-11 1210 8.38 USGS 11098000 1946-03-30 680 4.17 6 USGS 11098000 1946-12-25 600 4.05 2 1946-11-20 4.07 USGS 11098000 1948-04-29 45.0 1.84 USGS 11098000 1949-01-20 35.0 1.60 USGS 11098000 1949-11-10 150 2.76 USGS 11098000 1951-04-29 12.0 1.70 USGS 11098000 1952-01-16 1090 4.75 USGS 11098000 1952-12-02 49.0 1.80 USGS 11098000 1954-01-24 571 4.00 USGS 11098000 1955-04-30 107 2.39 USGS 11098000 1956-01-26 815 4.30 USGS 11098000 1957-02-23 158 2.84 USGS 11098000 1958-04-03 715 4.23 USGS 11098000 1959-02-16 351 3.54 USGS 11098000 1960-01-12 170 2.88 USGS 11098000 1960-11-06 769 4.30 USGS 11098000 1962-02-11 1500 5.06 USGS 11098000 1963-02-09 464 3.75 USGS 11098000 1964-01-21 182 2.94 USGS 11098000 1965-04-09 194 3.00 USGS 11098000 1965-11-22 3160 6.33 USGS 11098000 1966-12-06 1530 4.80 USGS 11098000 1967-11-19 1720 4.99 USGS 11098000 1969-01-25 8540 9.37 USGS 11098000 1970-02-28 668 3.78 USGS 11098000 1970-11-29 1330 4.60 USGS 11098000 1971-12-24 222 2.84 USGS 11098000 1973-02-11 3740 6.43 USGS 11098000 1974-03-08 390 3.22 USGS 11098000 1975-03-06 535 3.58 USGS 11098000 1976-02-09 590 3.64 USGS 11098000 1977-05-09 230 2.88 USGS 11098000 1978-03-04 5360 7.57 USGS 11098000 1979-02-21 193 2.82 USGS 11098000 1980-02-16 3080 6.06 USGS 11098000 1981-01-29 627 3.76 USGS 11098000 1982-03-17 615 3.74 USGS 11098000 1983-03-02 2640 6.09 USGS 11098000 1983-12-25 217 3.06 USGS 11098000 1984-12-16 139 2.79 USGS 11098000 1986-01-30 213 3.05 USGS 11098000 1987-01-05 13.0 1.58 USGS 11098000 1988-02-29 457 3.57 USGS 11098000 1988-12-16 155 2.83 USGS 11098000 1990-02-17 163 2.86 USGS 11098000 1991-03-01 921 4.30 USGS 11098000 1992-02-11 1710 5.25 USGS 11098000 1993-01-17 1710 5.25 USGS 11098000 1994-02-07 129 2.69 USGS 11098000 1995-01-10 1730 5.27 USGS 11098000 1996-02-21 584 3.83 USGS 11098000 1996-12-22 569 3.81 USGS 11098000 1998-02-23 4380 7.34 USGS 11098000 1999-02-09 62.0 2.34 USGS 11098000 2000-02-20 509 3.66 USGS 11098000 2001-02-13 348 3.37 USGS 11098000 2002-01-28 41.0 2.13 USGS 11098000 2003-02-12 433 3.53 USGS 11098000 2004-02-26 705 4.07 USGS 11098000 2005-01-09 3540 6.76 USGS 11098000 2006-01-02 1120 4.58 USGS 11098000 2007-02-27 12.0 1.64 USGS 11098000 2008-01-28 892 4.26 USGS 11098000 2009-02-06 270 3.19 USGS 11098000 2010-02-06 4620 7.45 USGS 11098000 2010-12-22 2260 5.77 USGS 11098000 2012-03-17 227 3.07 USGS 11098000 2012-10-11 30.0 1.82 USGS 11098000 2014-02-28 835 4.31 USGS 11098000 2015-07-19 1360 4.86 USGS 11098000 2016-01-31 212 3.11 USGS 11098000 2017-02-17 917 4.34 USGS 11098000 2018-03-15 05:15 149 2.84 USGS 11098000 2019-01-17 09:07 997 4.41 USGS 11098000 2020-04-06 08:52 506 3.68 USGS 11098000 2021-01-29 06:07 60.4 2.17 USGS 11098000 2021-12-14 11:15 515 3.77 USGS 11098000 2023-02-25 01:45 1170 4.65