# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-20 04:01:10 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 01485000 POCOMOKE RIVER NEAR WILLARDS, 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 01485000 1950-03-23 502 7.95 USGS 01485000 1951-06-11 391 8.85 USGS 01485000 1952-06-01 830 10.37 2 1952-01-29 10.45 USGS 01485000 1953-03-13 816 10.94 2 1953-08-15 11.20 USGS 01485000 1954-04-28 679 11.33 USGS 01485000 1955-06-12 645 10.54 USGS 01485000 1955-10-15 670 10.71 USGS 01485000 1956-10-31 559 10.15 USGS 01485000 1958-03-21 882 12.03 USGS 01485000 1959-07-16 562 9.65 USGS 01485000 1960-03-18 565 9.68 USGS 01485000 1961-02-09 709 10.99 USGS 01485000 1962-01-08 884 11.87 USGS 01485000 1963-03-13 690 10.82 USGS 01485000 1964-04-09 796 11.22 USGS 01485000 1965-08-02 503 9.53 USGS 01485000 1966-02-14 445 9.05 USGS 01485000 1967-08-26 586 10.38 USGS 01485000 1968-03-18 560 10.09 USGS 01485000 1969-08-06 541 11.12 USGS 01485000 1970-07-11 492 10.52 USGS 01485000 1971-05-16 452 10.03 USGS 01485000 1972-06-30 924 13.67 USGS 01485000 1973-02-03 710 11.60 USGS 01485000 1973-12-21 522 9.72 USGS 01485000 1975-07-26 1000 12.00 USGS 01485000 1976-01-01 567 9.98 USGS 01485000 1976-10-21 640 10.27 USGS 01485000 1977-12-20 1230 12.82 USGS 01485000 1979-02-26 1870 13.88 USGS 01485000 1979-11-12 1190 11.48 USGS 01485000 1981-02-21 190 5.98 USGS 01485000 1982-03-08 553 8.89 USGS 01485000 1983-04-16 1050 11.55 USGS 01485000 1984-03-29 1070 11.61 USGS 01485000 1985-09-27 722 10.11 USGS 01485000 1985-12-01 754 10.27 USGS 01485000 1987-02-23 662 9.79 USGS 01485000 1988-04-08 534 9.74 USGS 01485000 1989-08-20 2820 15.41 USGS 01485000 1990-05-29 609 10.04 USGS 01485000 1991-01-12 767 10.67 USGS 01485000 1992-08-18 672 10.30 USGS 01485000 1993-03-14 1300 12.40 USGS 01485000 1994-03-03 1470 12.87 USGS 01485000 1994-11-22 431 8.65 USGS 01485000 1996-08-14 928 11.42 USGS 01485000 1996-12-15 1050 11.67 USGS 01485000 1998-01-29 14:00 1970 13.90 USGS 01485000 1999-03-15 18:00 589 10.01 USGS 01485000 2000-03-23 02:00 1480 12.83 USGS 01485000 2001-03-22 01:00 659 10.31 USGS 01485000 2002-09-02 10:00 707 10.50 USGS 01485000 2003-04-12 19:30 905 11.21 USGS 01485000 2003-12-15 14:15 803 11.21 USGS 01485000 2006-11-24 13:45 702 11.57 USGS 01485000 2008-05-13 09:45 526 10.06 USGS 01485000 2008-12-13 05:45 747 11.57 USGS 01485000 2009-11-14 03:45 1730 14.04 USGS 01485000 2011-08-29 07:30 417 10.20 USGS 01485000 2012-03-01 10:45 254 8.53 USGS 01485000 2012-10-31 02:15 1400 13.15 USGS 01485000 2014-03-31 05:30 431 9.92 USGS 01485000 2015-01-24 17:45 390 9.72 USGS 01485000 2016-09-30 20:00 2440 14.93 USGS 01485000 2017-08-13 13:30 1520 13.58 2 2016-10-01 14.88 USGS 01485000 2018-05-19 17:30 1670 13.51 USGS 01485000 2018-10-13 10:45 1170 12.30 USGS 01485000 2020-02-07 14:00 340 9.73 USGS 01485000 2020-11-13 15:15 1080 12.51 USGS 01485000 2022-01-17 10:45 229 9.28 USGS 01485000 2022-12-16 12:00 340 9.88