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Period of Record Monthly Statistics for 310835081294501 - 34H495
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
Jan2022 -28.38 31
Jan2021 -27.38 31
Jan2020 -24.65 31
Jan2019 -22.85 31
Jan2018 -22.72 15
Jan2015 -22.02 32
Jan2016 -21.57 32
Jan2014 -20.34 31
Jan2017 -20.21 27
Jan2013 -20.04 32
Jan2010 -19.99 31
Jan2006 -19.89 31
Jan2009 -19.52 32
Jan2005 -19.07 31
Jan2012 -18.77 32
Jan2011 -18.09 31
Jan2004 -17.64 32
Jan2008 -17.21 1
Jan2007 -16.52 1
Jan2003 -14.55 32
Jan2002 -9.21 31
Feb2022 -28.31 29
Feb2021 -27.42 29
Feb2020 -25.41 30
Feb2019 -23.46 29
Feb2018 -22.94 28
Feb2015 -22.25 28
Feb2016 -22.00 30
Feb2014 -21.34 18
Feb2010 -20.60 29
Feb2017 -20.22 21
Feb2013 -19.85 28
Feb2006 -19.73 28
Feb2009 -19.45 28
Feb2005 -19.25 29
Feb2011 -18.80 28
Feb2012 -18.68 29
Feb2004 -18.20 29
Feb2008 -17.54 22
Feb2003 -14.85 29
Feb2002 -9.85 28
Feb2001 -7.04 26
Mar2022 -28.02 15
Mar2021 -27.44 32
Mar2020 -25.41 31
Mar2019 -23.43 31
Mar2018 -22.64 31
Mar2015 -22.31 32
Mar2016 -22.06 31
Mar2014 -21.70 9
Mar2010 -21.50 31
Mar2006 -19.69 32
Mar2017 -19.60 30
Mar2013 -19.36 32
Mar2005 -19.12 31
Mar2009 -19.05 32
Mar2011 -18.80 32
Mar2004 -18.40 31
Mar2012 -18.14 32
Mar2008 -17.92 31
Mar2007 -17.36 1
Mar2003 -15.62 31
Mar2002 -10.02 31
Mar2001 -7.67 31
Apr2021 -26.66 30
Apr2020 -24.64 30
Apr2019 -22.84 28
Apr2018 -21.79 31
Apr2015 -21.78 30
Apr2014 -21.67 24
Apr2016 -21.46 30
Apr2010 -21.12 31
Apr2005 -19.38 31
Apr2017 -19.02 30
Apr2013 -18.99 30
Apr2009 -18.47 30
Apr2011 -18.36 30
Apr2006 -18.06 31
Apr2012 -17.76 30
Apr2008 -17.75 31
Apr2004 -17.20 31
Apr2003 -15.50 31
Apr2002 -9.34 31
Apr2001 -7.89 16
May2021 -26.21 32
May2020 -24.34 31
May2019 -22.01 18
May2018 -21.39 31
May2014 -21.28 31
May2015 -21.16 32
May2016 -20.58 31
May2010 -20.31 32
May2005 -19.11 31
May2013 -19.10 32
May2017 -17.97 31
May2009 -17.88 32
May2011 -17.68 31
May2012 -16.94 32
May2006 -16.81 31
May2008 -16.62 31
May2004 -16.21 31
May2007 -15.34 1
May2003 -14.53 32
May2002 -8.31 32
May2001 -5.80 9
Jun2021 -25.32 30
Jun2020 -24.25 31
Jun2019 -21.86 30
Jun2018 -21.66 31
Jun2014 -20.74 30
Jun2016 -20.51 30
Jun2015 -20.05 30
Jun2010 -19.81 31
Jun2013 -19.19 30
Jun2009 -18.72 30
Jun2005 -18.68 31
Jun2017 -17.98 30
Jun2012 -17.31 30
Jun2011 -16.62 30
Jun2006 -15.82 31
Jun2008 -15.47 31
Jun2004 -15.31 31
Jun2003 -14.27 32
Jun2002 -8.04 30
Jun2001 -6.20 30
Jul2021 -25.46 20
Jul2020 -24.74 31
Jul2019 -22.67 32
Jul2018 -22.18 31
Jul2014 -20.77 32
Jul2016 -20.37 16
Jul2015 -19.93 31
Jul2013 -19.53 32
Jul2010 -19.48 31
Jul2009 -19.18 32
Jul2005 -19.12 32
Jul2017 -18.57 32
Jul2012 -17.85 31
Jul2011 -16.49 32
Jul2003 -16.41 32
Jul2008 -15.88 31
Jul2004 -15.87 32
Jul2006 -15.74 31
Jul2007 -11.01 1
Jul2002 -8.70 32
Jul2001 -6.79 31
Aug2020 -25.12 31
Aug2019 -23.21 31
Aug2018 -22.38 32
Aug2014 -21.04 32
Aug2015 -20.15 31
Aug2013 -20.04 31
Aug2016 -19.79 30
Aug2010 -19.74 31
Aug2009 -19.72 31
Aug2017 -19.33 31
Aug2005 -19.28 31
Aug2012 -18.11 32
Aug2003 -17.22 32
Aug2011 -17.08 31
Aug2008 -17.04 31
Aug2004 -16.31 32
Aug2006 -15.73 32
Aug2002 -7.74 32
Aug2001 -7.47 31
Sep2020 -25.69 31
Sep2019 -24.07 31
Sep2018 -22.67 30
Sep2014 -21.02 30
Sep2017 -20.73 30
Sep2015 -20.64 31
Sep2013 -20.38 30
Sep2009 -20.04 30
Sep2016 -19.80 30
Sep2010 -19.67 31
Sep2005 -19.42 31
Sep2012 -19.10 30
Sep2008 -17.95 30
Sep2003 -17.66 31
Sep2004 -17.65 30
Sep2011 -17.35 31
Sep2006 -16.36 4
Sep2007 -15.32 1
Sep2002 -8.69 30
Sep2001 -8.05 11
Oct2021 -27.77 29
Oct2020 -26.23 33
Oct2019 -24.00 32
Oct2018 -22.34 32
Oct2017 -21.78 25
Oct2015 -21.58 31
Oct2014 -21.42 31
Oct2016 -20.75 31
Oct2013 -20.59 31
Oct2012 -19.75 32
Oct2005 -19.55 32
Oct2009 -19.40 32
Oct2008 -19.30 31
Oct2010 -19.02 31
Oct2004 -18.88 31
Oct2011 -17.78 31
Oct2003 -17.73 32
Oct2006 -15.62 1
Oct2002 -11.85 32
Nov2021 -28.15 30
Nov2020 -27.08 30
Nov2019 -24.14 30
Nov2018 -22.23 30
Nov2017 -22.08 11
Nov2014 -21.40 31
Nov2015 -21.36 31
Nov2016 -20.75 30
Nov2013 -20.32 30
Nov2012 -19.96 30
Nov2009 -19.60 30
Nov2005 -19.50 30
Nov2008 -19.48 31
Nov2004 -18.91 31
Nov2010 -18.49 31
Nov2011 -18.30 31
Nov2003 -17.73 31
Nov2002 -12.47 31
Nov2001 -7.73 15
Dec2021 -28.25 32
Dec2020 -27.34 32
Dec2019 -24.23 32
Dec2018 -22.32 32
Dec2014 -21.64 31
Dec2015 -21.45 31
Dec2013 -20.24 31
Dec2016 -20.20 32
Dec2012 -19.83 31
Dec2009 -19.70 31
Dec2005 -19.62 31
Dec2008 -19.46 31
Dec2004 -18.79 31
Dec2011 -18.66 31
Dec2010 -18.08 31
Dec2003 -17.65 31
Dec2007 -16.85 1
Dec2002 -13.62 31
Dec2001 -8.69 31

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.



*References to non-Department of the Interior (DOI) products do not constitute an endorsement by the DOI.

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Last update: Monday, March 8, 2021 at 12:26
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