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Period of Record Monthly Statistics for 350207089511000 - Sh:L-039
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

Jan1960 100.19 1
Jan1961 100.75 1
Jan1966 111.50 1
Jan1967 116.70 1
Jan1968 123.86 1
Jan1969 124.26 1
Jan1970 126.17 1
Jan1971 129.85 1
Jan1972 131.90 1
Jan1973 133.87 1
Jan1974 135.95 1
Jan1975 136.52 1
Jan1976 137.39 1
Jan1977 139.39 32
Jan1978 139.64 33
Jan1979 141.29 19
Jan1982 143.70 33
Jan1980 144.65 18
Jan1983 144.69 33
Jan1981 144.84 33
Jan2018 145.26 1
Jan1984 145.48 32
Jan1986 145.85 32
Jan2015 146.54 1
Jan2012 147.38 2
Jan2013 147.43 2
Jan1985 147.45 27
Jan2010 148.02 1
Jan2014 148.57 2
Jan2016 148.69 2
Jan1998 148.94 1
Jan1987 149.04 32
Jan2017 149.12 1
Jan2011 149.36 1
Jan2008 149.50 1
Jan2004 149.86 1
Jan1988 150.03 31
Jan1999 150.34 1
Jan1993 151.23 1
Jan1996 151.83 1
Jan1992 152.20 1
Jan1995 152.77 2
Jan1997 152.84 1
Jan1989 153.49 32
Jan2000 154.29 1
Jan1990 155.08 1
Jan1991 155.33 1
Jan2002 156.32 2
Jan2001 156.35 1
Jan2003 156.35 1

Feb1960 100.18 1
Feb1961 100.65 1
Feb1966 111.93 1
Feb1967 118.82 1
Feb1968 121.92 1
Feb1969 126.26 1
Feb1970 128.77 1
Feb1971 129.17 1
Feb1972 131.52 1
Feb1973 134.25 1
Feb1974 135.82 1
Feb1975 136.71 1
Feb1976 137.35 1
Feb1977 139.38 30
Feb1978 140.23 30
Feb1979 143.18 30
Feb1982 143.82 30
Feb2018 144.29 2
Feb1983 144.58 30
Feb1980 144.66 19
Feb1981 144.77 30
Feb1986 145.71 29
Feb2016 145.86 1
Feb1985 146.12 26
Feb2013 146.13 1
Feb2014 146.22 1
Feb2012 146.80 1
Feb1984 147.16 11
Feb2017 148.22 1
Feb2010 148.24 1
Feb2009 148.50 1
Feb2011 148.59 2
Feb2006 148.64 1
Feb2005 148.72 1
Feb1988 148.81 29
Feb1987 149.38 28
Feb2008 149.60 1
Feb1999 150.21 1
Feb1993 150.78 1
Feb2004 150.98 1
Feb1990 151.16 1
Feb1992 151.57 1
Feb1996 151.65 1
Feb2007 151.91 2
Feb1995 152.18 1
Feb1991 152.36 1
Feb1997 152.36 1
Feb1994 152.48 2
Feb2000 152.64 2
Feb1989 152.93 28
Feb2001 153.97 1

Mar1960 100.24 1
Mar1961 100.42 1
Mar1966 114.98 1
Mar1967 119.05 1
Mar1968 123.55 1
Mar1969 126.52 1
Mar1970 128.48 1
Mar1971 129.79 1
Mar1972 131.65 1
Mar1973 134.05 1
Mar1974 135.87 1
Mar1975 136.64 1
Mar1976 137.50 1
Mar1977 139.60 33
Mar1978 140.03 33
Mar1979 141.19 33
Mar1982 142.74 33
Mar1980 142.98 33
Mar1981 143.32 33
Mar1983 143.58 33
Mar1985 145.63 32
Mar2014 145.77 1
Mar1986 145.89 32
Mar2013 146.01 1
Mar2016 146.30 1
Mar1984 146.41 32
Mar2012 146.85 1
Mar1996 147.60 1
Mar2009 147.72 2
Mar2010 148.21 1
Mar2005 148.29 2
Mar2015 148.39 2
Mar2017 148.63 1
Mar2008 148.64 1
Mar1998 148.76 1
Mar2011 148.97 1
Mar1987 149.41 33
Mar1988 149.51 33
Mar2004 149.57 1
Mar2007 149.65 1
Mar2006 149.97 2
Mar1991 150.47 1
Mar1999 151.08 2
Mar1993 151.30 1
Mar1995 152.47 1
Mar2000 152.82 1
Mar1994 153.22 1
Mar1989 153.28 33
Mar1990 153.78 1
Mar2003 155.02 1
Mar2002 156.61 1

Apr1960 100.07 1
Apr1964 102.86 1
Apr1966 115.04 1
Apr1967 117.43 1
Apr1968 123.24 1
Apr1969 125.02 1
Apr1970 128.93 1
Apr1971 130.08 1
Apr1972 131.97 1
Apr1973 134.02 1
Apr1976 136.02 1
Apr1974 136.09 1
Apr1975 136.83 1
Apr1978 138.94 32
Apr1977 139.70 31
Apr1979 141.56 32
Apr1980 142.09 32
Apr1981 142.83 32
Apr1982 143.86 32
Apr1983 144.02 32
Apr2018 144.15 2
Apr2017 145.06 1
Apr1985 145.08 31
Apr1984 145.09 31
Apr2013 145.88 1
Apr1986 146.01 31
Apr1998 147.15 2
Apr2015 147.78 1
Apr2010 147.81 2
Apr2009 148.37 1
Apr1990 148.82 1
Apr1987 149.20 30
Apr1996 149.39 2
Apr1988 149.54 31
Apr1997 150.39 2
Apr2007 150.65 1
Apr1999 150.88 1
Apr1993 150.94 1
Apr1992 151.64 1
Apr2003 151.86 1
Apr1994 152.10 1
Apr1989 152.53 30
Apr1995 153.07 1
Apr2002 154.82 2
Apr2001 155.74 1

May1960 100.04 1
May1965 105.42 1
May1966 115.74 1
May1967 119.80 1
May1968 122.43 1
May1969 126.97 1
May1971 128.58 1
May1970 128.93 1
May1972 132.23 1
May1973 134.65 1
May1974 135.90 1
May1975 136.85 1
May1976 137.96 1
May1978 139.57 33
May1977 139.90 33
May1979 141.92 33
May1983 142.06 33
May1980 142.23 32
May1981 142.32 33
May1982 142.37 33
May1985 145.33 20
May1984 145.46 32
May2017 145.51 2
May2016 146.77 2
May2013 146.78 1
May1986 146.81 32
May2014 147.58 2
May2012 147.71 1
May2009 148.01 1
May2008 149.88 2
May1999 150.01 1
May1988 150.03 32
May1987 150.10 32
May2005 150.20 2
May2003 150.39 2
May2011 150.56 1
May2004 150.72 2
May2007 151.14 1
May1993 151.20 1
May1991 151.78 2
May1994 152.39 1
May1992 152.89 1
May2006 152.92 1
May1989 152.95 33
May1996 152.97 1
May1995 153.34 1
May1990 153.45 1
May2000 153.46 2
May2001 154.50 1
May2002 154.64 1

Jun1960 100.12 1
Jun1965 110.08 1
Jun1966 116.57 1
Jun1967 121.14 1
Jun1968 124.00 1
Jun1969 127.38 1
Jun1970 129.25 1
Jun1971 130.57 1
Jun1972 132.71 1
Jun1974 134.31 1
Jun1973 134.82 1
Jun1975 137.45 1
Jun1976 138.50 3
Jun1977 140.54 29
Jun1978 141.11 32
Jun1979 142.64 32
Jun1980 143.24 32
Jun1981 143.58 32
Jun1982 144.09 31
Jun1983 144.34 32
Jun2018 146.30 1
Jun1985 147.26 31
Jun2016 147.33 1
Jun1984 147.34 32
Jun1986 148.60 30
Jun2014 148.93 1
Jun2010 149.44 2
Jun2012 149.53 1
Jun2009 149.79 1
Jun2000 150.00 1
Jun2013 150.12 1
Jun1998 150.38 2
Jun2008 150.38 1
Jun1999 150.40 1
Jun2004 150.46 1
Jun1987 150.50 31
Jun2015 150.53 1
Jun1997 151.14 1
Jun1995 151.16 1
Jun2007 151.34 1
Jun1988 151.87 27
Jun2006 152.13 1
Jun2003 152.16 1
Jun1991 152.29 1
Jun2005 152.42 1
Jun1989 152.45 26
Jun1992 152.66 2
Jun2011 152.66 1
Jun1994 153.17 1
Jun2002 154.72 1
Jun2001 156.24 2

Jul1960 100.27 1
Jul1965 109.64 1
Jul1967 121.49 1
Jul1968 122.74 1
Jul1969 127.29 1
Jul1970 129.83 1
Jul1971 130.90 1
Jul1972 132.88 1
Jul1973 134.68 1
Jul1974 136.11 1
Jul1976 136.40 32
Jul1975 137.45 1
Jul1977 140.26 33
Jul1978 141.23 33
Jul1979 143.98 33
Jul1981 144.33 33
Jul1982 144.74 6
Jul1983 144.83 33
Jul1980 144.89 33
Jul2017 145.63 1
Jul1985 147.45 32
Jul1984 147.74 32
Jul2018 147.96 1
Jul2015 148.30 1
Jul2009 149.05 1
Jul2013 149.22 1
Jul1986 149.23 32
Jul2012 150.20 2
Jul1987 151.15 33
Jul1995 151.68 1
Jul2010 151.71 1
Jul1997 151.74 1
Jul1988 152.04 3
Jul1998 152.12 1
Jul2004 152.18 1
Jul2011 152.30 1
Jul1992 152.33 1
Jul1990 152.47 1
Jul1996 152.50 2
Jul1993 152.75 2
Jul1994 152.90 1
Jul1989 153.03 1
Jul1991 153.55 1
Jul2003 154.27 1
Jul1999 154.49 1
Jul2002 157.50 1

Aug1960 100.43 1
Aug1961 101.37 1
Aug1965 114.55 1
Aug1966 118.92 1
Aug1967 120.47 1
Aug1968 124.25 1
Aug1969 127.50 1
Aug1970 129.80 1
Aug1971 131.20 1
Aug1973 132.57 1
Aug1972 133.20 1
Aug1976 136.60 33
Aug1974 136.64 1
Aug1975 136.92 1
Aug1979 140.19 33
Aug1978 140.59 25
Aug1977 140.94 33
Aug1983 143.62 33
Aug1982 144.75 11
Aug1980 145.54 32
Aug1985 146.06 33
Aug1981 146.56 33
Aug1984 147.38 32
Aug2014 147.72 1
Aug2016 147.93 1
Aug2018 148.10 1
Aug1986 149.36 32
Aug1997 150.64 1
Aug2008 151.01 1
Aug2004 151.48 1
Aug1987 151.70 31
Aug1995 152.08 1
Aug2006 152.14 1
Aug2007 152.14 2
Aug2011 152.36 1
Aug1989 152.41 1
Aug1988 152.45 32
Aug2005 152.84 2
Aug2010 153.23 1
Aug1994 153.40 1
Aug1996 153.71 1
Aug1991 153.84 1
Aug1992 153.90 1
Aug1993 154.14 1
Aug2003 155.43 1
Aug2000 155.56 1
Aug1990 155.87 2
Aug2002 157.37 1
Aug2001 159.44 2

Sep1959 100.04 1
Sep1960 100.44 1
Sep1965 114.30 1
Sep1966 118.93 1
Sep1967 122.60 1
Sep1968 124.96 1
Sep1969 126.00 1
Sep1970 129.90 1
Sep1971 131.48 1
Sep1972 133.75 1
Sep1973 134.67 1
Sep1974 135.13 1
Sep1976 136.80 31
Sep1975 137.94 1
Sep1977 141.24 32
Sep1978 141.54 6
Sep1979 142.26 31
Sep1982 144.48 32
Sep1981 145.35 32
Sep1980 145.76 32
Sep1985 146.33 30
Sep1983 146.84 32
Sep2017 147.00 1
Sep1984 147.74 30
Sep1986 148.04 32
Sep2015 148.14 2
Sep2013 148.38 2
Sep2016 148.84 2
Sep2014 149.01 1
Sep2009 149.74 2
Sep2011 150.03 1
Sep1990 150.37 1
Sep2012 150.51 1
Sep2005 150.65 1
Sep2008 151.06 1
Sep1993 151.32 1
Sep1988 151.33 30
Sep1987 151.50 31
Sep2006 151.51 1
Sep2007 151.59 1
Sep1998 152.38 2
Sep2004 152.90 1
Sep1995 153.34 1
Sep2003 153.92 1
Sep1989 154.25 1
Sep1999 155.44 2
Sep2000 156.49 1

Oct1959 100.13 1
Oct1960 100.52 1
Oct1965 108.45 1
Oct1966 115.10 1
Oct1967 123.18 1
Oct1968 125.64 1
Oct1969 125.80 1
Oct1971 129.90 1
Oct1970 130.00 1
Oct1973 133.00 1
Oct1972 133.95 1
Oct1974 137.00 1
Oct1975 137.73 1
Oct1976 138.89 34
Oct1977 139.76 33
Oct1978 141.28 33
Oct1979 142.22 33
Oct1981 142.56 33
Oct1982 144.64 33
Oct1980 145.50 33
Oct1983 145.90 33
Oct2017 146.92 1
Oct2014 147.16 1
Oct1984 147.50 33
Oct2009 147.53 1
Oct1985 147.59 33
Oct1986 147.69 32
Oct2015 148.91 1
Oct2016 149.73 1
Oct2012 149.90 2
Oct2008 150.61 2
Oct1998 151.56 1
Oct1987 151.73 32
Oct1992 151.88 2
Oct2003 151.95 1
Oct1991 152.57 1
Oct1994 152.65 2
Oct2002 152.98 1
Oct1993 153.05 1
Oct2010 153.07 1
Oct1996 153.16 2
Oct1997 153.28 1
Oct1995 153.87 1
Oct1989 154.86 1
Oct2006 154.89 1
Oct1988 155.00 31
Oct1999 155.08 1
Oct2000 157.79 2
Oct2001 158.20 2

Nov1959 100.25 1
Nov1960 100.64 1
Nov1965 111.30 1
Nov1966 115.63 1
Nov1967 123.34 1
Nov1968 125.82 1
Nov1969 126.00 1
Nov1971 128.95 1
Nov1970 129.80 1
Nov1972 131.53 1
Nov1973 135.60 1
Nov1974 137.11 1
Nov1975 137.62 1
Nov1976 139.19 32
Nov1977 139.64 32
Nov1978 140.21 21
Nov1979 142.21 32
Nov1983 143.68 31
Nov1981 144.04 32
Nov1982 144.48 32
Nov1985 145.14 30
Nov1980 145.95 22
Nov1984 146.16 31
Nov2017 146.22 1
Nov1986 147.72 30
Nov2012 148.08 1
Nov2011 149.52 2
Nov1997 149.57 1
Nov1993 149.80 1
Nov2008 149.95 1
Nov1987 150.32 31
Nov2007 150.48 2
Nov2004 150.67 2
Nov2016 150.80 1
Nov1992 150.86 1
Nov2010 151.15 1
Nov1995 151.37 1
Nov2006 151.81 2
Nov2005 152.36 1
Nov1996 152.40 1
Nov1991 152.45 1
Nov1994 152.65 1
Nov1988 153.41 31
Nov2002 153.55 2
Nov1999 153.81 1
Nov1989 154.68 1
Nov1990 155.26 2

Dec1959 100.01 1
Dec1960 100.71 1
Dec1965 111.58 1
Dec1966 115.68 1
Dec1967 123.25 1
Dec1968 126.04 1
Dec1969 126.50 1
Dec1970 129.90 1
Dec1971 131.17 1
Dec1972 131.67 1
Dec1973 135.91 1
Dec1974 136.78 1
Dec1975 137.15 1
Dec1976 139.29 33
Dec1977 139.64 33
Dec1978 141.20 7
Dec1979 142.23 33
Dec1983 143.84 32
Dec1982 144.34 33
Dec1981 144.71 33
Dec1980 145.39 33
Dec2017 145.86 1
Dec1985 145.88 33
Dec1997 146.31 1
Dec2013 146.57 1
Dec2014 146.82 2
Dec1984 147.40 32
Dec1986 147.64 32
Dec2015 147.97 1
Dec2009 148.15 1
Dec1993 148.33 1
Dec2008 149.14 1
Dec2003 149.34 2
Dec2004 149.39 1
Dec2007 149.86 1
Dec2006 149.97 1
Dec1987 150.19 31
Dec1998 150.99 1
Dec1991 152.07 1
Dec2005 152.08 1
Dec1992 152.27 1
Dec1988 153.50 32
Dec1989 155.10 1
Dec2002 155.33 1
Dec2001 155.85 1
Dec2000 156.20 2


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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