# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-13 19:01:40 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 01609500 SAWPIT RUN NEAR OLDTOWN, 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 01609500 1948-01-01 164 2.95 USGS 01609500 1949-07-12 319 3.59 USGS 01609500 1950-05-28 272 3.41 USGS 01609500 1951-03-30 366 3.76 USGS 01609500 1952-05-11 202 3.12 USGS 01609500 1953-05-31 392 3.85 USGS 01609500 1954-03-01 590 4.30 USGS 01609500 1954-10-15 770 4.72 USGS 01609500 1956-06-18 164 2.95 USGS 01609500 1957-02-10 198 3.10 USGS 01609500 1958-05-05 275 3.40 USGS 01609500 1963-03-04 275 3.15 USGS 01609500 1964-04-29 170 2.67 USGS 01609500 1965-03-05 245 3.02 USGS 01609500 1966-02-13 195 2.79 USGS 01609500 1967-03-07 425 3.69 USGS 01609500 1967-12-11 187 2.76 USGS 01609500 1969-03-25 46.0 2.05 USGS 01609500 1970-04-02 235 2.68 USGS 01609500 1971-05-20 350 3.03 USGS 01609500 1972-06-22 680 4.33 USGS 01609500 1973-04-04 207 2.83 USGS 01609500 1973-12-26 230 2.93 USGS 01609500 1975-09-26 280 3.16 USGS 01609500 1975-10-18 370 3.51