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Period of Record Monthly Statistics for 414831072173002 - CT- MS 80 MANSFIELD, CT
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

Jan2006 11.07 32
Jan2019 11.98 32
Jan2021 12.34 31
Jan2007 12.44 32
Jan2009 12.60 32
Jan2020 12.64 32
Jan2005 12.87 32
Jan2004 12.96 32
Jan2003 12.99 32
Jan2012 13.08 32
Jan2010 13.59 32
Jan2014 13.61 31
Jan2018 14.03 31
Jan2015 14.20 32
Jan2013 15.00 32
Jan2011 15.53 31
Jan2016 17.45 32
Jan2008 17.61 33
Jan2017 18.95 16

Feb2008 11.43 30
Feb2006 11.48 30
Feb2018 11.97 30
Feb2019 12.93 29
Feb2020 12.96 30
Feb2005 12.98 29
Feb2009 13.27 29
Feb2010 13.63 29
Feb2021 13.89 23
Feb2012 14.18 30
Feb2014 14.23 28
Feb2003 14.32 29
Feb2013 14.33 28
Feb2004 14.52 30
Feb2015 14.83 28
Feb2016 14.89 29
Feb2007 14.91 29
Feb2011 15.22 29
Feb2017 16.63 18

Mar2008 10.82 32
Mar2011 11.09 32
Mar2013 11.56 32
Mar2010 11.64 32
Mar2018 11.95 32
Mar2016 12.64 32
Mar2003 12.76 32
Mar2009 13.10 32
Mar2019 13.19 32
Mar2014 13.39 32
Mar2020 13.50 31
Mar2005 13.59 32
Mar2004 13.62 32
Mar2006 13.62 34
Mar2007 13.92 33
Mar2015 14.05 32
Mar2017 14.46 27
Mar2012 14.54 32
Mar2002 17.20 20

Apr2015 10.82 31
Apr2007 11.01 31
Apr2014 11.08 31
Apr2005 11.31 31
Apr2004 11.38 31
Apr2003 11.61 31
Apr2019 11.75 31
Apr2010 11.87 31
Apr2011 12.06 31
Apr2017 12.06 21
Apr2008 12.13 31
Apr2020 12.22 31
Apr2016 12.26 31
Apr2018 12.75 31
Apr2009 12.82 31
Apr2013 13.01 31
Apr2002 13.91 29
Apr2006 14.32 31
Apr2012 15.43 31

May2014 11.92 32
May2019 12.24 32
May2007 12.26 19
May2006 12.27 32
May2011 12.34 32
May2004 12.69 32
May2020 12.74 31
May2008 12.83 32
May2002 12.89 31
May2017 13.02 32
May2003 13.05 32
May2005 13.18 27
May2018 13.49 33
May2015 13.50 32
May2016 13.53 32
May2009 13.62 33
May2013 14.31 31
May2012 14.47 32
May2010 14.63 32

Jun2013 11.88 30
Jun2003 11.96 31
Jun2006 11.96 27
Jun2002 13.16 19
Jun2011 13.69 31
Jun2009 14.45 31
Jun2014 14.70 31
Jun2017 14.73 31
Jun2007 15.00 30
Jun2008 15.10 31
Jun2015 15.10 30
Jun2019 15.23 31
Jun2004 15.25 31
Jun2016 15.60 31
Jun2020 15.84 31
Jun2012 15.88 32
Jun2018 15.90 31
Jun2010 15.95 32
Jun2005 16.00 13

Jul2006 13.61 32
Jul2009 14.14 32
Jul2013 14.77 33
Jul2003 15.44 32
Jul2011 15.72 32
Jul2002 15.76 17
Jul2015 15.91 33
Jul2017 16.10 32
Jul2008 16.98 32
Jul2020 17.17 31
Jul2014 17.18 32
Jul2004 17.42 32
Jul2019 17.44 32
Jul2007 17.75 32
Jul2012 17.77 32
Jul2018 17.81 33
Jul2016 17.82 31
Jul2005 18.13 12
Jul2010 18.14 32

Aug2009 15.03 32
Aug2003 16.15 32
Aug2017 16.37 32
Aug2006 16.52 32
Aug2011 16.64 31
Aug2013 17.22 32
Aug2004 17.36 32
Aug2008 17.43 32
Aug2018 17.51 32
Aug2015 18.58 32
Aug2002 18.64 26
Aug2014 18.80 32
Aug2019 18.87 32
Aug2020 19.07 32
Aug2012 19.51 32
Aug2016 19.73 21
Aug2005 19.98 32
Aug2007 20.14 32
Aug2010 20.35 32

Sep2011 13.20 29
Sep2008 16.39 31
Sep2006 17.34 31
Sep2003 17.39 31
Sep2004 17.65 31
Sep2018 17.69 31
Sep2009 17.70 31
Sep2017 18.29 31
Sep2013 18.60 31
Sep2019 18.84 30
Sep2002 19.83 30
Sep2012 20.13 31
Sep2014 20.58 31
Sep2015 20.80 31
Sep2020 21.20 30
Sep2005 21.88 31
Sep2016 22.01 25
Sep2010 22.09 31
Sep2007 22.21 31

Oct2011 13.38 32
Oct2018 13.49 32
Oct2008 14.84 32
Oct2004 16.20 32
Oct2003 16.82 32
Oct2005 17.48 32
Oct2006 18.41 32
Oct2009 18.62 32
Oct2013 19.62 31
Oct2019 19.71 32
Oct2012 19.81 31
Oct2017 19.87 33
Oct2002 20.28 31
Oct2014 21.53 33
Oct2015 21.72 33
Oct2010 22.14 32
Oct2020 22.69 32
Oct2016 23.17 30
Oct2007 23.57 32

Nov2018 11.79 27
Nov2011 12.62 31
Nov2005 12.78 31
Nov2003 13.56 31
Nov2008 14.24 31
Nov2006 14.88 31
Nov2004 15.89 31
Nov2017 16.50 31
Nov2009 17.58 31
Nov2019 17.93 30
Nov2012 19.15 32
Nov2002 19.51 31
Nov2013 20.37 30
Nov2014 21.23 31
Nov2010 21.26 31
Nov2020 21.64 30
Nov2015 22.00 31
Nov2016 23.40 21
Nov2007 23.58 31

Dec2008 11.29 32
Dec2005 12.09 33
Dec2011 12.09 32
Dec2019 12.44 32
Dec2018 12.45 27
Dec2003 12.76 32
Dec2004 12.93 32
Dec2006 12.99 32
Dec2009 13.57 32
Dec2020 14.77 32
Dec2017 15.30 32
Dec2014 15.60 32
Dec2002 15.90 32
Dec2010 16.11 32
Dec2013 18.72 31
Dec2012 18.85 32
Dec2015 21.43 32
Dec2016 22.89 23
Dec2007 23.17 32


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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