# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-28 17:51:07 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 11266500 MERCED R A POHONO BRIDGE NR YOSEMITE 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 11266500 1917-06-10 5880 8.75 USGS 11266500 1918-06-12 4000 7.05 USGS 11266500 1919-05-29 6150 9.80 USGS 11266500 1920-05-20 5050 8.80 USGS 11266500 1921-06-11 4610 8.40 USGS 11266500 1922-06-05 6370 10.00 USGS 11266500 1923-05-16 4500 8.30 USGS 11266500 1924-05-02 2120 5.95 USGS 11266500 1925-05-06 4500 8.30 USGS 11266500 1926-05-05 3950 7.77 USGS 11266500 1927-05-17 5700 9.48 USGS 11266500 1928-03-25 4680 8.58 USGS 11266500 1929-06-16 4890 9.25 USGS 11266500 1930-05-28 2780 7.23 USGS 11266500 1931-05-07 1840 6.10 USGS 11266500 1932-05-18 4780 9.12 USGS 11266500 1933-05-31 4230 8.60 USGS 11266500 1934-06-14 1470 5.43 USGS 11266500 1935-06-05 5110 9.44 USGS 11266500 1936-05-05 4450 8.84 USGS 11266500 1937-05-15 6010 10.25 USGS 11266500 1937-12-11 22000 19.10 USGS 11266500 1939-04-22 2200 5.95 USGS 11266500 1940-05-13 4750 8.45 USGS 11266500 1941-05-24 6410 9.55 USGS 11266500 1942-05-25 5860 9.21 USGS 11266500 1943-04-28 6370 9.53 USGS 11266500 1944-05-09 3470 7.36 USGS 11266500 1945-05-05 5810 9.18 USGS 11266500 1946-05-07 4680 8.15 USGS 11266500 1947-05-03 3930 7.52 USGS 11266500 1948-05-27 5100 8.50 USGS 11266500 1949-05-14 4450 7.96 USGS 11266500 1950-05-28 4490 7.99 USGS 11266500 1950-11-19 23000 19.98 USGS 11266500 1952-05-28 6790 9.63 USGS 11266500 1953-04-27 3480 7.11 USGS 11266500 1954-05-20 3990 7.57 USGS 11266500 1955-05-22 3870 7.46 USGS 11266500 1955-12-23 23400 21.52 USGS 11266500 1957-05-18 4880 9.24 USGS 11266500 1958-05-19 6630 10.43 USGS 11266500 1959-05-13 2340 6.80 USGS 11266500 1960-05-12 3010 7.54 USGS 11266500 1961-04-05 1550 5.84 USGS 11266500 1962-05-06 4300 8.59 USGS 11266500 1963-02-01 13200 14.25 USGS 11266500 1964-05-26 2710 6.91 USGS 11266500 1964-12-23 18000 16.96 USGS 11266500 1966-05-08 2670 6.97 USGS 11266500 1967-05-23 6950 10.53 USGS 11266500 1968-04-30 2020 6.13 USGS 11266500 1969-06-02 8190 11.34 USGS 11266500 1970-05-18 4150 8.31 USGS 11266500 1971-05-16 3420 7.63 USGS 11266500 1972-06-08 3270 7.48 USGS 11266500 1973-05-31 6620 10.32 USGS 11266500 1974-05-28 5320 9.31 USGS 11266500 1975-06-02 7280 10.80 USGS 11266500 1975-10-26 2060 6.18 USGS 11266500 1977-06-09 2390 6.58 USGS 11266500 1978-06-09 6440 10.19 USGS 11266500 1979-05-22 6010 9.71 USGS 11266500 1980-01-13 11000 13.01 USGS 11266500 1981-05-01 3560 7.64 USGS 11266500 1982-04-11 11200 13.11 USGS 11266500 1983-05-30 9520 12.11 USGS 11266500 1984-05-14 5030 8.94 USGS 11266500 1985-04-14 3060 7.14 USGS 11266500 1986-03-08 6930 10.39 USGS 11266500 1987-05-16 2410 6.49 USGS 11266500 1988-05-16 2090 6.11 USGS 11266500 1989-05-10 3370 7.48 USGS 11266500 1990-04-28 1850 5.81 USGS 11266500 1991-06-04 3560 7.66 USGS 11266500 1992-04-29 2550 6.65 USGS 11266500 1993-05-31 6210 9.86 USGS 11266500 1994-05-31 2640 6.75 USGS 11266500 1995-06-05 7370 10.70 USGS 11266500 1996-05-16 12500 13.86 USGS 11266500 1997-01-03 24600 23.43 USGS 11266500 1998-06-16 7110 10.52 USGS 11266500 1999-05-26 4920 8.84 USGS 11266500 2000-05-08 5060 8.97 USGS 11266500 2001-05-09 3880 7.72 USGS 11266500 2002-05-18 3530 7.42 USGS 11266500 2003-05-29 6510 9.93 USGS 11266500 2004-05-04 3170 7.02 USGS 11266500 2005-05-16 10200 12.54 USGS 11266500 2006-05-22 7550 10.72 USGS 11266500 2007-04-30 1870 5.79 USGS 11266500 2008-05-18 4370 8.13 USGS 11266500 2009-05-02 4900 8.78 USGS 11266500 2010-06-07 7010 10.45 USGS 11266500 2011-06-16 7160 10.43 USGS 11266500 2012-04-26 4230 8.04 USGS 11266500 2013-04-30 2780 6.62 USGS 11266500 2014-04-19 1680 5.33 USGS 11266500 2015-02-09 2370 6.16 USGS 11266500 2016-05-14 4080 7.90 USGS 11266500 2017-01-09 10500 12.69 USGS 11266500 2018-04-07 18:15 12100 13.68 USGS 11266500 2019-06-06 05:00 6770 10.13 USGS 11266500 2020-04-30 02:45 3560 7.41 USGS 11266500 2021-05-06 03:45 2160 5.92 USGS 11266500 2021-10-25 10:45 4810 8.55 USGS 11266500 2023-05-22 00:45 9520 12.08