# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-24 08:14:29 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 01619500 ANTIETAM CREEK NEAR SHARPSBURG, 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 01619500 1928-07-11 6300 11.90 USGS 01619500 1929-05-03 4330 9.80 USGS 01619500 1929-10-23 2860 7.90 USGS 01619500 1931-07-09 3140 8.30 USGS 01619500 1932-09-02 2360 7.14 USGS 01619500 1933-08-24 5690 10.40 USGS 01619500 1934-09-30 1390 5.40 USGS 01619500 1934-12-01 5730 10.80 USGS 01619500 1936-03-18 3930 8.88 USGS 01619500 1937-04-27 6040 10.67 USGS 01619500 1937-10-28 2330 6.74 USGS 01619500 1939-06-22 2050 6.26 USGS 01619500 1940-07-23 2710 7.21 USGS 01619500 1940-11-15 1190 4.87 USGS 01619500 1942-05-22 2550 7.03 USGS 01619500 1942-10-16 2050 6.32 USGS 01619500 1944-01-04 3910 8.53 USGS 01619500 1944-12-12 1320 5.08 USGS 01619500 1946-06-03 2050 6.27 USGS 01619500 1947-06-08 745 3.98 USGS 01619500 1948-02-14 1160 4.82 USGS 01619500 1949-07-18 6470 11.23 USGS 01619500 1949-12-27 1220 4.88 USGS 01619500 1950-11-26 4720 9.22 USGS 01619500 1952-05-25 5480 10.32 USGS 01619500 1952-11-22 4680 9.17 USGS 01619500 1954-03-02 880 4.20 USGS 01619500 1954-10-15 4180 8.75 USGS 01619500 1956-07-20 12600 16.73 USGS 01619500 1956-11-01 2440 7.17 USGS 01619500 1958-05-06 2220 6.54 USGS 01619500 1959-01-22 1080 4.58 USGS 01619500 1960-06-18 2660 7.14 USGS 01619500 1961-04-13 1790 5.86 USGS 01619500 1962-03-22 1320 5.02 USGS 01619500 1963-03-06 2330 6.64 USGS 01619500 1964-04-30 1380 5.13 USGS 01619500 1965-03-06 2650 7.12 USGS 01619500 1966-09-15 1480 5.31 USGS 01619500 1967-03-07 2110 6.39 USGS 01619500 1968-03-18 1290 4.97 USGS 01619500 1969-08-18 2070 6.33 USGS 01619500 1970-07-10 2510 6.95 USGS 01619500 1971-02-13 2670 7.15 USGS 01619500 1972-06-23 9880 14.30 USGS 01619500 1973-06-04 2870 7.40 USGS 01619500 1973-12-27 1940 6.10 USGS 01619500 1975-09-26 10100 14.71 USGS 01619500 1975-10-18 2080 6.31 USGS 01619500 1976-10-09 6920 11.88 USGS 01619500 1978-03-15 2560 6.98 USGS 01619500 1979-01-25 5470 10.39 USGS 01619500 1979-10-03 1410 5.27 USGS 01619500 1981-06-14 1450 5.33 USGS 01619500 1982-06-17 1870 5.99 USGS 01619500 1983-06-19 2830 7.34 USGS 01619500 1984-02-15 5400 10.31 USGS 01619500 1985-02-13 6390 11.32 USGS 01619500 1986-03-15 1870 5.99 USGS 01619500 1987-04-05 2810 7.31 USGS 01619500 1988-05-19 3060 7.63 USGS 01619500 1989-05-17 2970 7.52 USGS 01619500 1990-01-30 955 4.39 USGS 01619500 1990-10-13 2670 7.12 USGS 01619500 1992-04-22 3730 8.46 USGS 01619500 1993-03-24 2800 7.29 USGS 01619500 1994-03-29 2620 7.03 USGS 01619500 1995-01-20 1100 4.55 USGS 01619500 1996-01-19 8960 13.71 USGS 01619500 1996-10-19 3080 7.57 USGS 01619500 1998-03-21 20:30 4870 9.39 USGS 01619500 1999-01-19 02:30 1740 5.42 USGS 01619500 2000-03-22 13:15 1930 5.70 USGS 01619500 2001-03-30 18:00 1130 4.48 USGS 01619500 2002-03-20 21:00 339 3.12 USGS 01619500 2003-09-04 08:45 2430 6.41 USGS 01619500 2003-12-12 00:15 4800 9.31 USGS 01619500 2005-03-28 21:45 4840 9.36 USGS 01619500 2006-06-28 17:00 6240 10.85 USGS 01619500 2007-04-16 1660 5.31 USGS 01619500 2008-05-12 20:00 3590 7.90 USGS 01619500 2008-12-12 13:30 1140 4.49 USGS 01619500 2010-03-14 09:30 4340 9.08 USGS 01619500 2011-04-16 23:30 5130 9.68 USGS 01619500 2011-11-23 18:00 2410 6.39 USGS 01619500 2012-10-30 21:15 5130 9.89 USGS 01619500 2014-05-16 09:45 5140 10.21 USGS 01619500 2015-03-15 03:30 1010 4.24 USGS 01619500 2016-02-04 04:15 2140 5.86 USGS 01619500 2017-05-06 03:30 924 4.13 USGS 01619500 2018-09-10 00:30 3270 7.45 USGS 01619500 2019-03-22 14:00 3120 7.22 USGS 01619500 2020-05-01 06:00 1830 5.44 USGS 01619500 2021-09-23 18:30 2330 6.12 USGS 01619500 2022-05-07 13:00 1990 5.66 USGS 01619500 2022-12-23 01:45 1530 5.01