# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-06 00:02:04 EDT # # ---------------------------------- 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 01301000 MAMARONECK RIVER AT MAMARONECK NY # # 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 01301000 1938-09-21 11.50 1 USGS 01301000 1944-09-15 1760 5 7.82 3,6 USGS 01301000 1945-08-07 738 5 4.56 3 USGS 01301000 1946-05-27 1200 5 6.45 3 USGS 01301000 1947-04-05 795 5 4.80 3 USGS 01301000 1948-04-01 660 5 4.36 3 USGS 01301000 1949-01-06 723 5 4.60 3 USGS 01301000 1950-03-23 232 5 2.54 3 USGS 01301000 1951-03-31 1550 5 7.27 3 USGS 01301000 1952-06-01 1270 5 6.63 3 USGS 01301000 1953-03-13 1620 5 7.68 3 USGS 01301000 1954-09-11 900 5 3.45 6 USGS 01301000 1955-08-13 1370 5,9 4.57 USGS 01301000 1955-10-15 1940 5 5.93 USGS 01301000 1956-11-01 711 5 2.99 USGS 01301000 1958-02-28 1260 5 4.31 USGS 01301000 1959-01-02 723 5 3.02 USGS 01301000 1960-08-19 1490 5 4.86 USGS 01301000 1961-04-16 1500 5 4.88 USGS 01301000 1962-03-12 1500 5 4.89 USGS 01301000 1962-11-10 975 5 3.63 USGS 01301000 1963-11-29 1150 5 4.05 USGS 01301000 1965-02-08 1310 5 4.42 USGS 01301000 1966-02-13 1170 5 4.10 USGS 01301000 1967-03-07 1260 5 4.32 USGS 01301000 1968-05-29 1840 5 5.69 USGS 01301000 1969-03-25 1600 5 5.13 USGS 01301000 1970-02-10 1990 5 6.04 USGS 01301000 1971-08-28 2260 5 6.68 USGS 01301000 1972-06-19 3550 5 9.71 USGS 01301000 1973-02-02 2150 5 6.44 USGS 01301000 1974-09-03 2840 5 7.98 USGS 01301000 1975-09-26 3700 5 10.15 USGS 01301000 1976-08-10 1570 5 5.20 USGS 01301000 1977-02-25 2000 5 6.12 USGS 01301000 1977-11-08 3240 5 8.86 USGS 01301000 1979-01-21 3410 5 9.31 USGS 01301000 1980-04-10 2790 5 7.90 USGS 01301000 1981-09-09 653 5 2.93 USGS 01301000 1982-01-04 2000 5 6.12 USGS 01301000 1983-04-10 1810 5 5.63 USGS 01301000 1984-07-07 2720 5 7.71 USGS 01301000 1985-09-27 961 5 3.91 USGS 01301000 1986-01-26 1020 5 4.06 USGS 01301000 1986-12-03 1580 5 5.23 USGS 01301000 1988-05-18 572 5 2.88 USGS 01301000 1989-05-17 1470 5 5.01 USGS 01301000 1999-09-16 2230 5,7,9 6.62 USGS 01301000 2008-12-12 1290 5 4.99 USGS 01301000 2010-03-30 1810 5 5.95 USGS 01301000 2011-08-28 3970 5,9 10.92 USGS 01301000 2011-12-08 1110 5 3.68 USGS 01301000 2013-06-08 1480 5 4.47 USGS 01301000 2014-05-01 2520 5 6.92 USGS 01301000 2014-12-09 1870 5 5.39 USGS 01301000 2016-02-03 705 5 2.85 USGS 01301000 2021-09-02 12.92 1