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Period of Record Monthly Statistics for 405223072523402 - S 6455. 1
Annual monthly statistics of approved data for all data types.

Tip: Click the median value to view its component water-levels.

This table is sorted by 1) Month and 2) Median Value (ascending)
MonthYearMedian# of values

Jan1967 33.91 1
Jan2017 33.91 17
Jan2018 34.36 32
Jan1996 35.08 1
Jan2016 35.61 31
Jan2003 35.89 1
Jan1989 35.95 1
Jan1988 36.04 1
Jan1951 36.06 2
Jan1969 36.23 2
Jan1968 36.49 1
Jan2014 36.67 1
Jan1965 36.69 1
Jan2021 36.72 21
Jan2013 36.87 1
Jan1964 36.90 1
Jan1971 36.90 1
Jan1952 36.98 5
Jan1995 37.01 1
Jan1950 37.22 6
Jan2009 37.22 1
Jan2002 37.23 1
Jan1998 37.28 1
Jan2015 37.29 1
Jan1981 37.31 1
Jan2001 37.37 1
Jan2010 37.56 1
Jan1983 37.67 1
Jan2012 37.72 1
Jan1978 37.90 1
Jan1963 38.11 1
Jan1958 38.12 1
Jan1954 38.16 2
Jan2008 38.17 1
Jan2020 38.19 32
Jan1961 38.21 1
Jan2011 38.24 1
Jan1993 38.25 1
Jan1992 38.50 1
Jan2019 38.63 30
Jan1957 38.76 1
Jan1980 38.76 2
Jan1997 38.86 1
Jan1962 38.92 1
Jan1976 39.12 1
Jan1984 39.26 1
Jan1999 39.26 1
Jan1977 39.34 1
Jan2004 39.47 1
Jan1955 39.83 7
Jan1956 39.98 6
Jan1985 40.08 1
Jan1959 40.34 2
Jan1991 40.44 1
Jan1990 41.22 1

Feb2018 34.74 29
Feb1966 35.04 1
Feb2016 35.52 30
Feb1989 35.93 1
Feb1951 36.08 6
Feb1968 36.50 1
Feb2014 36.62 1
Feb1988 36.78 1
Feb2003 36.79 2
Feb2002 36.88 1
Feb2000 36.93 1
Feb1971 37.03 1
Feb2013 37.14 1
Feb1950 37.17 6
Feb1964 37.23 1
Feb2010 37.45 1
Feb2012 37.56 1
Feb2015 37.60 1
Feb2001 37.74 1
Feb1994 37.82 2
Feb1970 37.84 1
Feb1952 37.85 2
Feb2020 38.06 27
Feb1954 38.07 7
Feb2009 38.17 1
Feb1961 38.19 2
Feb2008 38.35 1
Feb1992 38.44 1
Feb1958 38.76 1
Feb1957 38.90 1
Feb1960 39.07 1
Feb2019 39.15 29
Feb1962 39.43 1
Feb1999 39.45 1
Feb1955 39.83 7
Feb1959 39.99 1
Feb1956 40.23 6
Feb2007 40.36 1
Feb1991 40.38 1
Feb1990 41.29 1

Mar1967 33.82 1
Mar2017 34.41 10
Mar1966 35.41 2
Mar1986 35.53 1
Mar2016 35.85 31
Mar2018 35.94 32
Mar1969 36.05 1
Mar1996 36.14 1
Mar1989 36.21 1
Mar2002 36.46 1
Mar2014 36.73 1
Mar1972 36.77 1
Mar1988 36.85 1
Mar1951 36.86 6
Mar1995 37.00 1
Mar1982 37.10 1
Mar2000 37.19 1
Mar1950 37.21 6
Mar1965 37.24 2
Mar1971 37.28 1
Mar1981 37.31 1
Mar1987 37.39 1
Mar2003 37.56 1
Mar2012 37.56 1
Mar1964 37.63 1
Mar2015 37.76 1
Mar1970 37.81 1
Mar1983 37.84 1
Mar2001 37.97 1
Mar1954 37.98 7
Mar2020 38.05 32
Mar2005 38.09 1
Mar1992 38.13 1
Mar1952 38.23 6
Mar2010 38.25 1
Mar2011 38.25 2
Mar2013 38.28 1
Mar2009 38.37 1
Mar1993 38.49 2
Mar1957 38.69 1
Mar1963 38.74 2
Mar2008 38.81 1
Mar1998 38.84 1
Mar1975 38.91 1
Mar1980 39.36 1
Mar1997 39.39 1
Mar1999 39.45 1
Mar2004 39.47 2
Mar2019 39.49 32
Mar1958 39.54 1
Mar1985 39.56 1
Mar1962 39.64 1
Mar1974 39.75 2
Mar1955 39.86 6
Mar1973 40.00 1
Mar1976 40.03 1
Mar1959 40.36 1
Mar1956 40.48 6
Mar1991 40.50 1
Mar1990 41.19 1
Mar1978 41.45 1

Apr2017 34.84 32
Apr1967 34.94 2
Apr1966 34.95 1
Apr2016 35.97 32
Apr2002 36.30 1
Apr1971 36.55 1
Apr1969 36.62 1
Apr1989 36.74 1
Apr2018 36.86 31
Apr2012 37.04 1
Apr1965 37.18 1
Apr1988 37.21 1
Apr1951 37.27 6
Apr1968 37.31 2
Apr1950 37.34 6
Apr2014 37.53 1
Apr2000 37.75 1
Apr1954 38.07 2
Apr1977 38.09 1
Apr2020 38.23 30
Apr1992 38.28 1
Apr1964 38.36 1
Apr1970 38.37 1
Apr2009 38.37 1
Apr2011 38.37 1
Apr2013 38.38 1
Apr2008 38.51 2
Apr2015 38.58 1
Apr1963 38.78 1
Apr1952 38.81 5
Apr1999 38.98 1
Apr1957 39.06 1
Apr1994 39.10 3
Apr1961 39.15 1
Apr1975 39.24 1
Apr1960 39.38 1
Apr2001 39.46 1
Apr2019 39.68 30
Apr1993 39.69 1
Apr1976 39.91 1
Apr2004 39.91 1
Apr1962 39.94 1
Apr1955 40.10 2
Apr2006 40.13 1
Apr1998 40.21 1
Apr1973 40.43 1
Apr1991 40.53 1
Apr1984 40.60 1
Apr1958 40.90 1
Apr1956 40.94 6
Apr1978 41.19 1
Apr2010 42.35 1
Apr1979 42.50 1

May2017 35.22 32
May1967 35.96 1
May2016 36.01 32
May2002 36.41 1
May1995 36.77 1
May2018 37.03 32
May2012 37.17 1
May1988 37.25 1
May1968 37.27 1
May1965 37.28 1
May1950 37.31 6
May1951 37.58 6
May2015 37.74 1
May2014 37.96 1
May1992 38.01 1
May1989 38.05 1
May2000 38.05 1
May2013 38.23 1
May2020 38.29 31
May2011 38.32 1
May2008 38.53 1
May1964 38.57 1
May1954 38.58 7
May2003 38.60 1
May1970 38.65 1
May1963 38.67 1
May2009 38.68 1
May1999 38.85 1
May1957 39.11 1
May1994 39.17 1
May1952 39.19 5
May1960 39.48 1
May1993 39.50 1
May1961 39.58 2
May1997 39.61 1
May2001 39.61 1
May1955 39.95 7
May2004 39.95 1
May2019 40.03 32
May2010 40.05 1
May1962 40.07 2
May1959 40.52 2
May1956 41.07 6
May1998 41.07 1
May2007 41.12 2
May1958 41.67 1

Jun1966 34.93 2
Jun2017 35.22 31
Jun2016 35.68 30
Jun1967 36.19 1
Jun2002 36.27 1
Jun1981 36.71 1
Jun1986 36.80 1
Jun2018 36.91 31
Jun1965 36.92 1
Jun1988 36.98 1
Jun2012 36.98 1
Jun1971 37.39 2
Jun1996 37.49 2
Jun1950 37.51 6
Jun2015 37.64 1
Jun1951 37.65 6
Jun2020 37.79 30
Jun2014 37.91 1
Jun1987 37.92 1
Jun2011 37.93 1
Jun1999 38.20 1
Jun2000 38.42 1
Jun1970 38.45 1
Jun2013 38.51 1
Jun1954 38.64 7
Jun1994 38.71 1
Jun2009 38.81 1
Jun2003 39.05 1
Jun1982 39.06 1
Jun1993 39.15 1
Jun1997 39.15 1
Jun1976 39.23 1
Jun1960 39.26 2
Jun2010 39.45 1
Jun1975 39.47 1
Jun1952 39.55 6
Jun2001 39.56 1
Jun1989 39.59 1
Jun1955 39.76 7
Jun2004 39.79 1
Jun1961 39.81 1
Jun1974 40.06 1
Jun2019 40.11 30
Jun1991 40.36 2
Jun1983 40.39 1
Jun1956 40.98 2
Jun1978 41.04 1
Jun1998 41.64 1
Jun1958 41.78 1
Jun1984 41.94 1

Jul1966 34.69 1
Jul2017 34.99 32
Jul2016 35.13 31
Jul2002 35.43 1
Jul1995 35.76 1
Jul1988 36.41 1
Jul2018 36.41 32
Jul1969 36.44 1
Jul2012 36.53 1
Jul1967 36.54 1
Jul1965 36.58 1
Jul1968 36.89 2
Jul1971 37.06 1
Jul2014 37.22 1
Jul2020 37.28 31
Jul2011 37.32 1
Jul1950 37.41 5
Jul1951 37.45 6
Jul1987 37.63 1
Jul1999 37.76 1
Jul2008 37.78 2
Jul1964 37.97 2
Jul1992 37.97 1
Jul1970 38.06 1
Jul2013 38.08 1
Jul1994 38.13 1
Jul1977 38.21 1
Jul2000 38.26 1
Jul1963 38.33 2
Jul1972 38.35 1
Jul1954 38.40 7
Jul1957 38.44 2
Jul2010 38.45 1
Jul1985 38.67 1
Jul2009 38.67 1
Jul1993 38.78 1
Jul1997 38.78 1
Jul2004 39.05 1
Jul1955 39.16 2
Jul2001 39.28 1
Jul1949 39.43 2
Jul2019 39.46 31
Jul1962 39.47 2
Jul1991 39.69 1
Jul1961 39.72 1
Jul1980 39.74 1
Jul1989 40.05 1
Jul2007 40.12 1
Jul1959 40.15 1
Jul1956 40.55 1
Jul1973 41.03 1
Jul1998 41.44 1
Jul1958 41.65 1
Jul1979 41.85 1

Aug1966 34.35 1
Aug2016 34.62 32
Aug2017 34.73 32
Aug2002 35.22 1
Aug1995 35.36 1
Aug1988 36.02 1
Aug1965 36.36 1
Aug1969 36.41 1
Aug1968 36.44 1
Aug2018 36.56 32
Aug1967 36.59 1
Aug2012 36.85 1
Aug2020 36.94 31
Aug2014 37.02 1
Aug1996 37.14 1
Aug1951 37.15 6
Aug1950 37.23 6
Aug2011 37.33 1
Aug1999 37.40 1
Aug1987 37.51 1
Aug1994 37.71 1
Aug2013 37.78 1
Aug1957 37.84 1
Aug1992 38.08 1
Aug1954 38.16 6
Aug1993 38.25 1
Aug2000 38.26 1
Aug1997 38.45 2
Aug2010 38.50 1
Aug2004 38.76 1
Aug1960 38.85 1
Aug2009 38.86 1
Aug1962 38.87 1
Aug1955 39.00 7
Aug2019 39.06 31
Aug2001 39.13 1
Aug1949 39.15 5
Aug1991 39.56 1
Aug2007 40.06 1
Aug1959 40.23 1
Aug2003 40.24 1
Aug1956 40.25 3
Aug1989 40.81 1
Aug1998 40.99 1
Aug1958 41.25 1

Sep1966 34.35 1
Sep2016 34.47 30
Sep2017 34.61 31
Sep1995 35.12 1
Sep2002 35.21 1
Sep1988 35.85 1
Sep1986 35.89 1
Sep1965 36.20 1
Sep2015 36.20 28
Sep1987 36.24 1
Sep1968 36.26 1
Sep1969 36.38 1
Sep2018 36.43 31
Sep1971 36.55 2
Sep2020 36.62 30
Sep2014 36.79 1
Sep1951 36.85 6
Sep1950 36.90 6
Sep2012 36.91 1
Sep1996 36.95 1
Sep1964 37.22 1
Sep2008 37.23 1
Sep2013 37.28 1
Sep2010 37.29 1
Sep2011 37.34 1
Sep1999 37.54 1
Sep1957 37.57 1
Sep1970 37.64 1
Sep1994 37.64 1
Sep1963 37.79 2
Sep1993 37.90 1
Sep1992 37.91 1
Sep1997 38.01 1
Sep2000 38.13 1
Sep2004 38.22 1
Sep1960 38.52 1
Sep1955 38.60 5
Sep1982 38.64 1
Sep1974 38.70 1
Sep1976 38.70 1
Sep2019 38.70 30
Sep1949 38.73 5
Sep1954 38.95 4
Sep1991 39.23 1
Sep1983 39.26 1
Sep2001 39.26 1
Sep1961 39.36 1
Sep2003 40.02 1
Sep1959 40.03 1
Sep1956 40.04 1
Sep1973 40.05 1
Sep1989 40.63 1
Sep1958 40.77 1
Sep1984 41.35 1

Oct1966 34.24 1
Oct2017 34.37 32
Oct2016 34.42 31
Oct1988 35.30 1
Oct1968 35.88 1
Oct2015 36.01 32
Oct1969 36.21 1
Oct2020 36.28 31
Oct1967 36.47 1
Oct1950 36.56 6
Oct1951 36.56 6
Oct2014 36.59 1
Oct2018 36.63 32
Oct1987 36.70 1
Oct2012 36.74 1
Oct2013 36.85 1
Oct1964 36.87 1
Oct2010 37.12 1
Oct1970 37.17 2
Oct1994 37.23 1
Oct1963 37.28 1
Oct2011 37.38 1
Oct1957 37.42 1
Oct1977 37.44 2
Oct1992 37.47 1
Oct1993 37.47 1
Oct1999 37.51 1
Oct1997 37.64 1
Oct1972 37.77 1
Oct2000 38.00 1
Oct2019 38.25 32
Oct1949 38.36 6
Oct1960 38.39 1
Oct2009 38.52 1
Oct1980 38.54 1
Oct1975 38.64 1
Oct1955 38.74 6
Oct1962 38.87 2
Oct1998 38.98 1
Oct1991 39.02 1
Oct1954 39.09 7
Oct1961 39.21 1
Oct1959 39.45 2
Oct1956 39.67 1
Oct2003 39.68 1
Oct1989 40.71 1
Oct1958 40.78 1
Oct1979 40.81 1
Oct1990 41.14 1

Nov2016 34.22 31
Nov1966 34.26 1
Nov2017 34.55 31
Nov1995 35.06 1
Nov2002 35.23 1
Nov1965 35.44 2
Nov1988 35.52 1
Nov2015 35.78 30
Nov1968 35.89 1
Nov2020 36.18 30
Nov1969 36.25 1
Nov1967 36.26 2
Nov1950 36.31 3
Nov1951 36.44 6
Nov1964 36.59 1
Nov2012 36.70 1
Nov2013 36.73 1
Nov1987 36.93 1
Nov1957 37.03 1
Nov2018 37.10 31
Nov1993 37.17 1
Nov1999 37.20 1
Nov1970 37.28 1
Nov1992 37.43 1
Nov1997 37.62 1
Nov2011 37.62 1
Nov2000 37.75 1
Nov1960 37.93 1
Nov2001 37.95 1
Nov1949 38.02 6
Nov2019 38.03 32
Nov2009 38.46 1
Nov1991 38.63 1
Nov1961 39.01 2
Nov2010 39.10 1
Nov1959 39.14 1
Nov1954 39.16 7
Nov1956 39.34 2
Nov2003 39.42 1
Nov1998 39.56 1
Nov1990 39.96 1
Nov1955 39.98 5
Nov1989 41.24 1

Dec1966 33.82 1
Dec2016 33.95 28
Dec2017 34.40 32
Dec2002 35.28 1
Dec1965 35.30 1
Dec2015 35.62 31
Dec1981 35.76 1
Dec1988 35.83 1
Dec1967 36.01 1
Dec1971 36.25 1
Dec2020 36.29 31
Dec1987 36.46 1
Dec1951 36.52 6
Dec1964 36.66 1
Dec2012 36.69 1
Dec2013 36.70 1
Dec1994 37.00 1
Dec1963 37.05 2
Dec1957 37.06 1
Dec2014 37.08 1
Dec1999 37.20 1
Dec1985 37.29 1
Dec1997 37.31 2
Dec1949 37.36 2
Dec2008 37.57 1
Dec2001 37.62 1
Dec2000 37.64 1
Dec2011 37.66 1
Dec1993 37.74 1
Dec1992 37.85 1
Dec2018 37.99 31
Dec1960 38.03 1
Dec1974 38.04 1
Dec2019 38.07 31
Dec1996 38.44 1
Dec2010 38.57 1
Dec1962 38.63 1
Dec1991 38.67 1
Dec1972 38.87 1
Dec1959 38.92 1
Dec2009 38.97 1
Dec1956 39.09 1
Dec2003 39.29 1
Dec1954 39.41 7
Dec1973 39.59 1
Dec1990 39.67 1
Dec1958 40.62 1
Dec1989 41.27 1


Source: (dbo.sp_MonthYearStats20100317a)
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  • The data you have obtained are from an automated U.S. Geological Survey database and may be subject to revision. The 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.
  • Real time data are considered Provisional and have not been reviewed or edited unless otherwise indicated.
  • These data may be subject to significant change and are not citeable until reviewed and approved by the U.S. Geological Survey.
  • Data users are cautioned to consider carefully the provisional nature of the information before using it for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences.
  • Information concerning the accuracy and appropriate uses of these data may be obtained from the state contact for the office collecting the data.



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