# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-23 10:03:17 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 01590000 NORTH RIVER NEAR ANNAPOLIS, 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 01590000 1932-05-13 104 2.35 USGS 01590000 1933-08-23 120 2.40 USGS 01590000 1934-09-08 171 2.51 USGS 01590000 1935-04-09 147 2.46 USGS 01590000 1936-01-03 111 8 USGS 01590000 1937-04-26 342 2.78 USGS 01590000 1937-11-13 329 2.76 USGS 01590000 1939-06-14 120 2.40 USGS 01590000 1940-04-20 139 2.45 USGS 01590000 1941-04-05 59.0 1.96 USGS 01590000 1942-08-09 329 2.76 USGS 01590000 1942-10-16 213 2.58 USGS 01590000 1944-08-02 5000 6.22 USGS 01590000 1945-07-29 207 2.57 USGS 01590000 1945-12-06 111 2.37 USGS 01590000 1947-06-14 129 2.42 USGS 01590000 1947-11-03 244 2.64 USGS 01590000 1948-12-04 181 2.52 USGS 01590000 1950-06-21 101 2.23 USGS 01590000 1951-06-14 118 2.33 USGS 01590000 1952-09-01 404 2.87 USGS 01590000 1953-08-09 192 2.54 USGS 01590000 1954-05-04 110 2.29 USGS 01590000 1955-08-13 678 3.22 USGS 01590000 1956-07-21 163 2.58 USGS 01590000 1956-11-02 50.0 1.86 USGS 01590000 1958-08-25 196 2.64 USGS 01590000 1959-08-08 202 2.65 USGS 01590000 1960-09-12 170 2.60 USGS 01590000 1961-04-13 160 2.57 USGS 01590000 1962-03-12 75.0 2.13 USGS 01590000 1963-08-21 131 2.48 USGS 01590000 1964-01-09 125 2.45 USGS 01590000 1965-03-05 73.0 2.11 USGS 01590000 1966-02-13 84.0 2.09 USGS 01590000 1966-10-19 88.0 2.13 USGS 01590000 1968-01-14 107 2.28 USGS 01590000 1969-08-10 124 2.37 USGS 01590000 1970-04-02 99.0 2.22 USGS 01590000 1971-08-27 112 2.31 USGS 01590000 1972-06-22 122 2.36 USGS 01590000 1973-07-04 100 2.23 USGS 01590000 1973-10-02 127 2.38