# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-28 02:20:34 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 11270900 MERCED R BL MERCED FALLS DAM NR SNELL 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 11270900 1911-01-31 47700 7 23.30 USGS 11270900 1918-03-07 17700 2 18.50 USGS 11270900 1919-05-29 9580 14.80 USGS 11270900 1920-04-15 8950 15.00 USGS 11270900 1921-01-18 19400 18.70 USGS 11270900 1922-02-11 17200 17.90 USGS 11270900 1923-04-06 11500 10.50 USGS 11270900 1924-05-03 2970 5.41 USGS 11270900 1925-02-06 15400 12.35 USGS 11270900 1926-02-14 11100 6 10.34 USGS 11270900 1928-05-08 5120 6 7.08 USGS 11270900 1929-05-16 1820 6 4.10 USGS 11270900 1930-06-19 1980 6 4.30 USGS 11270900 1931-04-03 1500 6 3.71 USGS 11270900 1932-05-27 6360 6 8.30 USGS 11270900 1933-08-03 1770 6 4.08 USGS 11270900 1934-04-15 1770 6 4.08 USGS 11270900 1935-05-24 7840 6 9.31 USGS 11270900 1936-02-23 14000 6 12.96 USGS 11270900 1937-05-16 7690 6 9.23 USGS 11270900 1938-02-11 13200 6 12.83 USGS 11270900 1939-04-25 1690 6 4.00 USGS 11270900 1940-05-12 5480 6 7.86 USGS 11270900 1941-06-05 6720 6 8.77 USGS 11270900 1942-05-26 6400 6 8.54 USGS 11270900 1943-06-02 7520 6 9.32 USGS 11270900 1944-05-29 5000 6 7.48 USGS 11270900 1945-05-05 7640 6 9.40 USGS 11270900 1946-05-08 6310 6 8.48 USGS 11270900 1947-05-21 3280 6 5.96 USGS 11270900 1948-06-09 6310 6 8.48 USGS 11270900 1949-05-28 4910 6 7.41 USGS 11270900 1950-05-28 6200 6 8.40 USGS 11270900 1950-12-04 46200 6 22.60 USGS 11270900 1952-06-04 12000 6 12.00 USGS 11270900 1953-07-15 1930 6 4.42 USGS 11270900 1954-05-11 5520 6 7.89 USGS 11270900 1955-06-13 1910 6 4.35 USGS 11270900 1956-06-02 5890 6 8.02 USGS 11270900 1958-04-03 11600 6 11.65 USGS 11270900 1959-08-21 1930 6 4.31 USGS 11270900 1960-07-26 2020 6 4.42 USGS 11270900 1965-01-07 17100 6 15.54 USGS 11270900 1965-12-03 6970 6 10.92 USGS 11270900 1967-06-28 9980 6 12.54 USGS 11270900 1968-01-31 3240 6 8.28 USGS 11270900 1969-06-01 9360 6 12.40 USGS 11270900 1970-09-11 5590 6 10.15 USGS 11270900 1971-06-08 2200 6 7.24 USGS 11270900 1972-09-05 2850 6 7.91 USGS 11270900 1973-06-20 3890 6 8.84 USGS 11270900 1974-06-07 5270 6 9.92 USGS 11270900 1975-06-10 7020 6 11.10 USGS 11270900 1975-10-10 2220 6 7.27 USGS 11270900 1977-07-03 1100 6 5.84 USGS 11270900 1978-05-29 4490 6 9.34 USGS 11270900 1979-06-05 3860 6 8.83 USGS 11270900 1980-01-17 8990 6 12.22 USGS 11270900 1981-09-10 3500 6 8.52 USGS 11270900 1982-05-01 7160 6 11.22 USGS 11270900 1983-07-07 8100 6 11.78 USGS 11270900 1984-01-12 5060 6 9.85 USGS 11270900 1985-05-28 4200 6 9.20 USGS 11270900 1986-04-13 5030 6 9.83 USGS 11270900 1987-05-15 2690 6 7.85 USGS 11270900 1988-06-24 1940 6 7.03 USGS 11270900 1989-06-20 1640 6 6.64 USGS 11270900 1990-03-29 2220 6 7.35 USGS 11270900 1991-08-02 1990 6 7.08 USGS 11270900 1992-06-06 1920 6 7.00 USGS 11270900 1993-05-09 2920 6 8.08 USGS 11270900 1994-07-19 3210 6 8.44 USGS 11270900 1995-07-11 7680 6 11.56 USGS 11270900 1995-10-01 4190 6 9.19 USGS 11270900 1997-01-03 8080 6 11.75 USGS 11270900 1998-07-09 5720 6 10.18 USGS 11270900 1999-04-22 4800 6 9.51 USGS 11270900 2000-04-18 4130 6 8.97 USGS 11270900 2001-05-11 3070 6 8.06 USGS 11270900 2002-05-07 2460 6 7.47 USGS 11270900 2003-05-10 2180 6 7.07 USGS 11270900 2003-10-18 3480 6 8.32 USGS 11270900 2005-03-27 6010 6 10.40 USGS 11270900 2006-05-22 5850 6 10.28 USGS 11270900 2007-06-18 2730 6 7.60 USGS 11270900 2008-05-14 2510 6 7.41 USGS 11270900 2009-05-10 2270 6 7.14 USGS 11270900 2010-05-25 3470 6 8.38 USGS 11270900 2011-06-30 6480 6 10.59 USGS 11270900 2012-05-06 2290 6 7.18 USGS 11270900 2013-05-06 2860 6 7.73 USGS 11270900 2013-10-25 1810 6 6.66 USGS 11270900 2014-10-26 1190 6 5.86 USGS 11270900 2016-06-30 1990 6 6.90 USGS 11270900 2017-03-09 7900 6 11.60 USGS 11270900 2018-04-10 5050 6 9.47 USGS 11270900 2019-05-23 21:00 6820 6 10.84 USGS 11270900 2020-07-13 05:00 4020 6 8.70 USGS 11270900 2020-10-16 17:30 1620 6 6.35 USGS 11270900 2022-07-14 09:15 1670 2,6 6.38 5 USGS 11270900 2023-06-05 20:45 8440 6 11.83