# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-09 04:16:41 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 01645000 SENECA CREEK AT DAWSONVILLE, MD # # 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 01645000 1931-07-01 1730 6.08 3 USGS 01645000 1932-03-28 1380 5.56 3 USGS 01645000 1933-08-24 9300 10.30 3 USGS 01645000 1934-09-17 2410 7.30 USGS 01645000 1935-05-07 1420 6.10 USGS 01645000 1936-01-03 2020 6.88 2 1936-02-14 7.42 1 USGS 01645000 1937-08-27 2610 7.45 USGS 01645000 1937-10-23 2280 7.08 USGS 01645000 1939-01-30 2150 6.93 USGS 01645000 1940-04-20 1740 6.41 USGS 01645000 1941-06-23 1300 5.50 USGS 01645000 1942-05-22 1460 5.86 USGS 01645000 1942-10-16 3620 8.31 USGS 01645000 1943-11-09 2660 7.52 USGS 01645000 1945-08-01 2110 6.90 USGS 01645000 1946-06-02 2940 7.73 USGS 01645000 1947-08-20 1990 6.75 USGS 01645000 1948-06-30 1990 6.78 USGS 01645000 1949-07-16 2240 7.03 USGS 01645000 1950-03-23 2280 7.12 USGS 01645000 1950-12-04 2420 7.26 USGS 01645000 1952-09-01 2810 7.77 USGS 01645000 1952-11-22 7330 9.78 USGS 01645000 1953-12-14 1240 5.45 USGS 01645000 1955-08-13 2620 7.60 USGS 01645000 1956-07-21 15000 12.17 USGS 01645000 1957-04-05 959 4.54 USGS 01645000 1957-12-21 3640 8.35 USGS 01645000 1959-08-08 1970 6.90 USGS 01645000 1960-02-19 1600 6.30 USGS 01645000 1961-06-10 3070 7.98 USGS 01645000 1962-03-12 1920 6.83 USGS 01645000 1963-08-20 1480 6.10 USGS 01645000 1964-01-09 2520 7.51 USGS 01645000 1965-08-26 2640 7.62 USGS 01645000 1966-09-14 3270 8.12 USGS 01645000 1967-08-27 2660 7.64 USGS 01645000 1968-01-14 1640 6.37 USGS 01645000 1969-09-04 3490 8.26 USGS 01645000 1970-07-10 2200 7.18 USGS 01645000 1971-09-12 25900 16.32 USGS 01645000 1972-06-22 26100 16.40 USGS 01645000 1973-09-14 3020 7.94 USGS 01645000 1973-12-26 3160 7.95 USGS 01645000 1975-09-26 16000 12.67 USGS 01645000 1976-01-01 4900 8.94 USGS 01645000 1976-10-09 3770 8.42 USGS 01645000 1978-01-26 7850 9.96 USGS 01645000 1979-09-06 16000 12.69 USGS 01645000 1979-10-01 10800 10.95 USGS 01645000 1981-02-11 1340 5.65 USGS 01645000 1982-06-13 3160 8.02 USGS 01645000 1983-04-10 3260 8.09 USGS 01645000 1984-03-29 3010 7.92 USGS 01645000 1985-02-12 3620 8.33 USGS 01645000 1986-04-16 1070 4.93 USGS 01645000 1987-09-09 4950 8.96 USGS 01645000 1988-05-19 7410 9.81 USGS 01645000 1989-05-06 8250 10.09 USGS 01645000 1990-04-02 2270 7.24 USGS 01645000 1990-10-23 5120 9.03 USGS 01645000 1992-03-27 1750 6.55 USGS 01645000 1993-04-16 3350 8.15 USGS 01645000 1993-11-28 9160 10.37 USGS 01645000 1995-08-06 2080 7.03 USGS 01645000 1996-06-18 11000 11.01 USGS 01645000 1996-10-19 3880 8.49 USGS 01645000 1998-03-21 03:30 5280 9.09 USGS 01645000 1999-09-16 15:45 3060 7.95 USGS 01645000 2000-03-22 05:45 1910 6.79 USGS 01645000 2001-08-12 03:15 3140 8.01 USGS 01645000 2002-05-27 22:45 4310 9.26 USGS 01645000 2003-09-23 07:00 7130 10.52 USGS 01645000 2003-12-11 12:30 6810 10.40 USGS 01645000 2005-07-08 09:30 3750 8.83 USGS 01645000 2006-06-26 05:45 6530 10.29 USGS 01645000 2006-11-17 00:45 5790 9.99 USGS 01645000 2008-05-12 02:00 3660 8.74 USGS 01645000 2009-05-26 10:45 2650 7.65 USGS 01645000 2009-12-26 11:30 2930 7.98 USGS 01645000 2011-09-08 22:00 24400 15.78 USGS 01645000 2011-10-14 00:30 2890 8.30 USGS 01645000 2013-01-31 09:30 8280 11.35 USGS 01645000 2014-05-16 08:15 7040 10.94 USGS 01645000 2015-06-28 03:15 4950 9.92 USGS 01645000 2016-07-31 09:10 3350 8.75 USGS 01645000 2017-07-29 01:50 3490 8.87 USGS 01645000 2018-07-22 02:15 6710 10.82 USGS 01645000 2019-07-08 10:30 9630 11.73 USGS 01645000 2019-11-01 00:45 3630 9.00 USGS 01645000 2021-09-23 09:40 2460 7.68 USGS 01645000 2022-05-23 05:45 2010 6.57 USGS 01645000 2022-12-23 01:50 2210 6.92