# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-28 10:38:30 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 01583000 SLADE RUN NEAR GLYNDON, 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 01583000 1948-06-19 124 2.80 USGS 01583000 1949-03-23 142 2.94 USGS 01583000 1950-09-10 145 2.96 USGS 01583000 1951-06-13 158 3.06 USGS 01583000 1952-09-01 448 4.53 USGS 01583000 1953-03-15 167 3.12 USGS 01583000 1954-07-05 113 2.71 USGS 01583000 1955-08-13 214 3.42 USGS 01583000 1956-07-21 485 4.68 USGS 01583000 1957-09-13 108 2.67 USGS 01583000 1958-01-25 132 2.86 USGS 01583000 1959-09-02 201 3.34 USGS 01583000 1960-07-13 141 2.93 USGS 01583000 1961-07-17 102 2.62 USGS 01583000 1962-02-26 107 2.66 USGS 01583000 1962-10-04 178 3.19 USGS 01583000 1964-06-24 192 3.28 USGS 01583000 1965-07-11 150 3.00 USGS 01583000 1966-02-13 119 2.76 USGS 01583000 1967-08-27 222 3.96 USGS 01583000 1968-09-10 252 4.11 USGS 01583000 1969-07-27 51.0 2.92 USGS 01583000 1970-06-27 80.0 3.20 USGS 01583000 1971-02-13 192 3.81 USGS 01583000 1972-06-22 515 4.80 USGS 01583000 1973-04-01 125 3.59 USGS 01583000 1974-05-17 172 3.85 USGS 01583000 1975-09-26 367 4.63 USGS 01583000 1976-01-01 115 3.45 USGS 01583000 1976-10-03 49.0 3.08 USGS 01583000 1978-01-26 125 3.59 USGS 01583000 1979-09-06 297 4.39 USGS 01583000 1979-10-01 249 4.20 USGS 01583000 1981-05-28 90.0 3.36 USGS 01583000 2009-10-24 17:00 114 3.50 USGS 01583000 2011-03-10 18:00 84.0 3.25