# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-04 13:49:36 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 01648000 ROCK CREEK AT SHERRILL DRIVE WASHINGTON, DC # # 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 01648000 1930-04-07 1170 5.10 USGS 01648000 1931-07-21 590 3.47 USGS 01648000 1932-03-28 818 4.10 USGS 01648000 1933-08-24 4460 11.60 USGS 01648000 1934-03-04 1820 7.00 USGS 01648000 1935-05-07 1540 6.25 USGS 01648000 1936-01-04 1600 6.38 USGS 01648000 1937-04-26 2300 8.15 USGS 01648000 1937-10-23 2220 8.00 USGS 01648000 1939-01-31 852 4.23 USGS 01648000 1940-04-20 1080 4.93 USGS 01648000 1940-11-27 644 3.65 USGS 01648000 1942-08-09 748 3.95 USGS 01648000 1942-10-16 3100 9.71 USGS 01648000 1944-01-04 1360 5.71 USGS 01648000 1945-08-01 2020 7.46 USGS 01648000 1946-05-28 1120 4.98 USGS 01648000 1947-04-30 476 3.13 USGS 01648000 1948-06-20 1120 4.95 USGS 01648000 1949-05-23 1260 5.45 USGS 01648000 1950-03-23 1180 5.17 USGS 01648000 1951-06-13 1460 5.99 USGS 01648000 1952-09-01 3220 9.90 USGS 01648000 1952-11-22 5420 11.15 USGS 01648000 1954-04-28 933 4.51 USGS 01648000 1955-08-13 2320 8.57 USGS 01648000 1956-07-21 7220 13.19 USGS 01648000 1957-04-05 1210 5.46 USGS 01648000 1958-07-09 1810 7.32 USGS 01648000 1959-08-08 1680 6.93 USGS 01648000 1960-08-04 1790 7.29 USGS 01648000 1961-04-13 1750 7.19 USGS 01648000 1962-03-12 1200 5.68 USGS 01648000 1963-08-21 1430 6.38 USGS 01648000 1963-11-07 1280 5.93 USGS 01648000 1965-03-05 1800 7.32 USGS 01648000 1966-09-14 5060 6 11.92 USGS 01648000 1967-08-25 3440 6 10.30 USGS 01648000 1968-01-14 1450 6 6.43 USGS 01648000 1969-08-10 3020 6 9.75 USGS 01648000 1970-04-14 1780 6 7.27 USGS 01648000 1971-08-27 1950 6 7.71 USGS 01648000 1972-06-22 12500 6 16.20 USGS 01648000 1973-08-20 1910 6 7.59 USGS 01648000 1974-03-30 1930 6 7.66 USGS 01648000 1975-09-26 7050 6 13.16 USGS 01648000 1976-01-01 2100 6 8.06 USGS 01648000 1977-08-08 1380 6 6.23 USGS 01648000 1978-01-26 2700 6 9.25 USGS 01648000 1979-09-06 8940 6 14.28 USGS 01648000 1979-10-01 2000 6 7.81 USGS 01648000 1981-06-14 1420 6 6.47 USGS 01648000 1982-06-13 1320 6 6.21 2 1982-02-01 6.50 1 USGS 01648000 1983-04-15 1940 6 7.68 USGS 01648000 1984-08-13 1690 6 7.12 USGS 01648000 1985-02-12 1750 6 7.25 USGS 01648000 1986-04-16 1070 6 5.44 USGS 01648000 1987-09-12 1800 6 7.36 USGS 01648000 1988-05-24 1830 6 7.42 USGS 01648000 1989-05-06 5500 6 12.13 USGS 01648000 1990-08-10 1500 6 6.63 USGS 01648000 1990-10-23 2900 6 9.55 USGS 01648000 1992-07-25 1280 6 5.95 USGS 01648000 1993-03-04 1540 6 6.76 USGS 01648000 1993-11-28 4050 6 10.99 USGS 01648000 1995-08-06 1500 6 6.65 USGS 01648000 1996-09-07 2570 6 9.02 USGS 01648000 1996-11-09 2130 6 8.13 USGS 01648000 1998-03-21 1900 6 7.58 USGS 01648000 1999-09-16 14:30 2000 6 7.83 USGS 01648000 2000-03-21 18:45 1280 6 5.95 USGS 01648000 2001-06-23 07:15 1910 6 7.64 USGS 01648000 2002-04-28 13:45 1100 6 5.38 USGS 01648000 2003-09-23 08:45 2130 6 8.14 USGS 01648000 2004-07-28 2600 6 9.07 USGS 01648000 2005-01-14 13:15 1900 6 7.57 USGS 01648000 2006-06-26 03:30 7460 6 13.42 USGS 01648000 2006-11-16 18:15 1800 6 7.36 USGS 01648000 2008-05-12 04:15 1970 6 7.74 USGS 01648000 2009-05-26 07:15 2060 6 7.98 USGS 01648000 2010-08-18 12:00 2170 6 8.24 USGS 01648000 2011-09-08 09:30 1990 6 7.80 USGS 01648000 2011-12-07 23:30 1510 6 6.72 USGS 01648000 2012-10-30 03:00 2610 6 9.10 USGS 01648000 2014-04-30 5580 6 12.19 USGS 01648000 2015-06-27 16:45 1930 2,6 7.66 2 2015-06-27 8.15 1 USGS 01648000 2016-05-03 04:15 2410 6 8.73 USGS 01648000 2017-07-28 2270 6 8.46 USGS 01648000 2018-06-03 17:45 2330 6 8.58 USGS 01648000 2018-12-16 03:45 2090 6 8.02 USGS 01648000 2020-09-10 19:38 3990 6 10.92 USGS 01648000 2021-09-01 12:52 2120 6 8.10 USGS 01648000 2022-07-03 01:15 2630 6 9.12