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Peak Streamflow for the Nation

USGS 50092000 RIO GRANDE DE PATILLAS NR PATILLAS, PR

Patillas Municipio, Puerto Rico
Hydrologic Unit Code 21010004
Latitude  18°02'03", Longitude  66°01'57" NAD27
Drainage area 18.3  square miles
Gage datum 235 feet above NGVD29
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
Reselect output format
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1966 1966-05-27 9.70 3,960
1967 1966-12-24 6.84 1,600
1968 1968-08-07 7.83 1,890
1969 1969-05-21 9.18 3,270
1970 1970-08-27 10.30 4,730
1971 1970-10-07 11.45 6,530
1972 1972-08-11 8.38 2,400
1973 1973-08-15 11.62 6,830
1974 1974-09-19 7.72 1,800
1975 1975-09-16 12.45 8,370
1976 1975-11-20 8.43 2,460
1977 1977-09-06 9.15 3,230
1978 1977-11-25 12.41 8,290
1979 1979-08-31 15.20 14,700
1980 1979-10-04 8.60 2,630
1981 1981-06-01 10.15 4,500
1982 1981-12-27 11.35 6,360
1983 1983-07-04 9.63 3,820
1984 1984-02-15 11.27 6,230
1985 1984-11-03 12.86 9,190
1986 1985-10-06 12.49 8,440
1987 1987-06-21 9.54 3,700
1988 1987-11-27 12.33 8,130
1989 1989-09-18 10.37 4,600
1990 1990-06-14 7.73 1,750
1991 1990-10-20 11.06 5,630
1992 1992-01-05 24.06 30,9002
1993 1993-07-11 17.49 17,400
1994 1994-09-20 7.28 987
1995 1995-08-19 7.75 1,400
1996 1996-09-10 22.55 22,4009
1997 1997-08-22 9.06 2,410
1998 1998-09-21 24.36 56,3002,9
1999 1999-09-13 9.27 2,640
2000 1999-11-13 9.46 2,850
2001 2001-08-22 9.84 3,320
2002 2002-06-21 8.70 2,050
2003 2002-11-16 6.87 667
2004 2004-09-15 11.22 5,380
2005 2004-11-14 10.96 4,950
2006 2005-10-11 10.61 4,400
2007 2006-10-18 11.32 5,550
2008 2008-09-21 21.00 19,900
2009 2009-07-21 11.35 5,600
2010 2009-12-25 11.42 5,720
2011 2011-08-23 14.27 11,400
2012 2012-03-30 10.91 4,870
2013 2013-08-20 10.85 4,770
2014 2014-08-23 11.03 5,060
2015 2014-11-07 9.37 2,750
2016 2016-07-31 12.00 6,800
2017 2017-09-20 16.38 9,9302,9,R
2018 2017-10-16 12.39 4,130R
2019 2019-04-29 11.32 2,950R
2020 2020-07-30 11.11 2,730R
2021 2020-11-08 10.66 2,300
2022 2022-09-18 22.57 18,1009
2023 2023-09-14 11.60 3,240
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  Peak Streamflow Qualification Codes.