# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-29 12:04:44 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 01642000 MONOCACY RIVER NEAR FREDERICK, 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 01642000 1889-06-00 46000 7,Bd 35.00 Bd 1889 USGS 01642000 1897-02-07 13400 18.50 USGS 01642000 1897-11-02 12900 18.00 USGS 01642000 1898-12-05 14000 19.00 USGS 01642000 1900-02-22 18100 22.10 USGS 01642000 1901-03-11 20000 23.40 USGS 01642000 1902-03-01 25700 27.00 USGS 01642000 1903-06-29 24800 26.50 USGS 01642000 1904-03-08 20300 23.60 USGS 01642000 1905-08-26 18000 22.00 USGS 01642000 1906-04-15 20200 23.50 USGS 01642000 1907-03-14 14500 19.50 USGS 01642000 1908-02-16 22400 25.00 USGS 01642000 1909-02-24 11800 17.00 USGS 01642000 1910-01-22 20900 24.00 USGS 01642000 1911-09-01 26600 27.50 USGS 01642000 1912-09-25 20800 23.90 USGS 01642000 1913-03-27 24000 26.00 USGS 01642000 1914-02-01 9600 15.20 USGS 01642000 1915-01-13 23400 27.20 USGS 01642000 1916-06-17 17300 23.50 USGS 01642000 1917-03-12 12700 20.40 USGS 01642000 1918-02-20 14300 22.10 USGS 01642000 1918-12-23 10500 18.00 USGS 01642000 1920-03-13 12200 19.80 USGS 01642000 1921-05-13 16600 23.00 USGS 01642000 1922-03-08 8650 16.00 USGS 01642000 1923-07-31 14000 21.00 USGS 01642000 1924-01-17 17300 23.50 USGS 01642000 1925-02-12 14600 21.50 USGS 01642000 1926-02-26 15300 22.00 USGS 01642000 1926-11-16 23000 27.00 USGS 01642000 1927-10-19 21200 26.00 USGS 01642000 1929-05-03 19500 25.00 USGS 01642000 1929-10-03 16600 23.00