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Peak Streamflow for the Nation

USGS 50124200 RIO GUAYANILLA NEAR GUAYANILLA, PR

Penuelas Municipio, Puerto Rico
Hydrologic Unit Code 21010004
Latitude  18°02'39.26", Longitude  66°47'53.39" NAD27
Drainage area 18.9  square miles
Gage datum 80 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)
1981 1981-09-25 17.08 8,130
1982 1982-09-12 20.40 14,700
1983 1983-04-21 11.55 2,010
1984 1984-09-20 9.21 753
1985 1985-05-15 10.98 1,640
1986 1985-10-07 19.13 11,900
1987 1986-10-02 10.17 1,210
1988 1988-08-24 14.12 4,300
1989 1989-08-31 10.00 1,120
1990 1990-09-26 9.70 978
1991 1990-10-09 12.42 2,700
1992 1992-01-06 11.74 2,170
1993 1993-09-26 10.13 1,190
1994 1994-09-30 10.54 1,400
1995 1994-11-27 10.38 1,320
1996 1996-09-10 14.08 4,2609
1997 1996-10-27 10.71 1,500
1998 1998-09-22 21.88 18,7009
1999 1999-04-03 10.85 1,800
2000 2000-08-22 12.71 3,440
2001 2001-05-06 21.89 18,700
2002 2002-04-26 10.63 1,450
2003 2002-10-10 11.22 1,810
2004 2003-11-13 14.67 4,890
2005 2005-09-26 13.58 3,720
2006 2005-10-11 15.46 5,860
2007 2007-08-23 11.03 1,690
2008 2008-09-22 20.32 14,500
2009 2008-10-31 11.17 1,780
2010 2009-11-28 12.57 2,800
2011 2010-10-08 15.69 6,150
2012 2012-08-04 12.19 2,500
2013 2012-10-26 22.97R 23,800R
2014 2014-08-24 16.19 6,810
2015 2014-12-04 12.09 2,420
2016 2016-04-25 11.74 2,170
2017 2017-09-20 21.40 18,0009,R
2018 2017-10-07 9.74 1,390R
2019 2018-10-22 10.70 2,050
2020 2020-07-30 9.44 1,210
2021 2021-09-21 7.97 517
2022 2022-09-19 17.33 8,910
2023 2022-11-05 12.80  
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.