# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-27 19:43:10 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 03309000 GREEN RIVER AT MAMMOTH CAVE, KY # # 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 03309000 1913-00-00 50.50 Bm USGS 03309000 1935-00-00 51600 Bm 42.60 Bm USGS 03309000 1936-03-28 23400 26.50 USGS 03309000 1937-01-24 75000 52.00 USGS 03309000 1938-03-07 15300 19.80 USGS 03309000 1939-02-06 29800 31.70 USGS 03309000 1940-04-02 20000 23.57 USGS 03309000 1941-07-21 15200 19.20 USGS 03309000 1942-04-12 21300 24.30 USGS 03309000 1943-01-02 41700 38.10 USGS 03309000 1944-04-14 21600 24.50 USGS 03309000 1945-01-04 35700 34.60 USGS 03309000 1946-02-16 20200 23.40 USGS 03309000 1947-05-23 20100 23.30 USGS 03309000 1948-04-16 45200 40.10 USGS 03309000 1949-02-18 51400 43.00 USGS 03309000 1950-01-09 49200 42.00 USGS 03309000 2018-02-12 17:45 22000 34.60 USGS 03309000 2019-02-25 23:30 37600 6 42.62 USGS 03309000 2019-12-18 21:15 27700 6 38.04 USGS 03309000 2021-03-03 04:00 42900 6 50.94