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Period of Record Monthly Statistics for 350508090015001 - Sh:J-171
Annual monthly statistics of approved data for all data types.
Report date: 9/8/2019 4:00:42 AM

Note: Monthly medians are calculated for months having 10 or more month/years of data

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
 1     Jan2016 16.76 2
 2     Jan2018 16.80 1
 3     Jan2017 17.60 2
 4     Jan2005 17.88 1
 5     Jan2012 18.49 2
 6     Jan2015 18.96 1
 7     Jan2014 19.05 1
 8     Jan2011 19.46 2
 9     Jan2013 19.69 2
10    Jan2004 20.53 1
11    Jan2009 20.74 2
12    Jan2007 20.87 1
13    Jan2003 21.60 1
14    Jan1998 21.76 2
15    Jan2008 21.94 1
16    Jan2002 22.10 2
17    Jan1999 22.31 1
18    Jan1992 22.42 1
19    Jan1993 22.53 1
20    Jan1997 22.59 2
21    Jan1995 22.90 1
22    Jan1987 23.00 1
23    Jan1989 23.42 1
24    Jan2000 23.48 1
25    Jan1988 23.62 1
26    Jan1996 23.86 1
27    Jan1990 24.05 1
Jan Median = 21.76      27 month-years    

 1     Feb2018 16.01 2
 2     Feb2016 16.95 1
 3     Feb2017 17.56 1
 4     Feb2010 17.97 1
 5     Feb2014 18.63 1
 6     Feb2013 19.24 1
 7     Feb2011 19.61 1
 8     Feb2004 20.19 1
 9     Feb2006 20.20 2
10    Feb1997 21.10 1
11    Feb2002 21.80 1
12    Feb1999 22.00 1
13    Feb1994 22.29 1
14    Feb1995 22.47 1
15    Feb1990 22.69 1
16    Feb1991 22.76 2
17    Feb2000 23.33 1
18    Feb1993 23.44 1
19    Feb1992 23.45 1
20    Feb1996 23.75 1
21    Feb2001 25.02 2
Feb Median = 21.8      21 month-years    

 1     Mar2018 15.37 1
 2     Mar2016 16.06 1
 3     Mar2010 17.57 1
 4     Mar2012 18.12 2
 5     Mar2014 18.22 1
 6     Mar2015 18.61 1
 7     Mar2005 19.07 2
 8     Mar2013 19.25 1
 9     Mar2004 19.59 1
10    Mar2006 19.72 1
11    Mar2002 20.52 1
12    Mar2009 20.60 1
13    Mar2007 20.64 1
14    Mar2008 20.82 1
15    Mar2003 21.13 1
16    Mar1990 21.45 1
17    Mar1998 21.62 1
18    Mar1999 21.74 1
19    Mar1991 21.85 1
20    Mar1994 21.93 1
21    Mar1995 22.48 1
22    Mar1989 22.51 1
23    Mar1987 22.81 2
24    Mar1993 23.12 1
25    Mar1988 23.21 2
26    Mar1996 23.42 1
27    Mar2000 23.76 2
Mar Median = 20.82      27 month-years    

 1     Apr2018 14.68 1
 2     Apr2010 17.14 2
 3     Apr2015 17.55 2
 4     Apr2017 17.60 1
 5     Apr2014 17.67 1
 6     Apr2005 18.63 1
 7     Apr1997 18.77 1
 8     Apr2004 19.14 1
 9     Apr2009 19.21 2
10    Apr2003 20.42 1
11    Apr1994 20.51 1
12    Apr1991 20.65 1
13    Apr1998 20.86 2
14    Apr1999 21.38 1
15    Apr1990 21.58 1
16    Apr2002 21.58 1
17    Apr1995 22.23 2
18    Apr1992 22.30 1
19    Apr1993 22.84 1
20    Apr1988 23.22 1
21    Apr1996 23.40 2
22    Apr2001 24.14 1
Apr Median = 20.58      22 month-years    

 1     May2019 13.96 1
 2     May2011 15.01 1
 3     May2018 15.57 1
 4     May2016 16.04 2
 5     May2017 17.22 2
 6     May2014 17.90 1
 7     May2013 18.06 2
 8     May1997 18.50 1
 9     May2009 18.55 1
10    May2012 18.97 1
11    May2005 19.33 1
12    May2004 19.53 1
13    May2008 19.74 1
14    May2006 20.02 1
15    May2003 20.39 2
16    May1991 20.49 1
17    May2007 21.00 1
18    May1999 21.07 2
19    May1990 21.69 1
20    May1989 21.96 2
21    May1987 22.28 1
22    May1993 22.51 1
23    May1992 22.63 1
24    May2000 23.32 2
25    May2001 23.88 2
26    May1988 24.05 1
May Median = 19.88      26 month-years    

 1     Jun2019 14.86 1
 2     Jun2016 17.03 1
 3     Jun2010 17.10 2
 4     Jun2014 17.83 1
 5     Jun2011 18.25 1
 6     Jun1997 19.06 1
 7     Jun2009 19.29 1
 8     Jun2012 19.58 1
 9     Jun2005 20.14 1
10    Jun2004 20.15 1
11    Jun1991 20.52 1
12    Jun1998 20.58 1
13    Jun2003 20.60 1
14    Jun2006 20.81 1
15    Jun1994 21.85 2
16    Jun2002 21.91 2
17    Jun1995 22.06 2
18    Jun1990 22.60 1
19    Jun1989 22.78 1
20    Jun1992 22.80 1
21    Jun1996 22.81 1
22    Jun1993 22.89 1
23    Jun1987 23.20 2
24    Jun2000 23.81 1
25    Jun1988 25.00 1
Jun Median = 20.6      25 month-years    

 1     Jul2018 16.62 1
 2     Jul2017 17.30 1
 3     Jul2015 17.70 2
 4     Jul2013 18.27 1
 5     Jul2010 18.44 1
 6     Jul2011 18.80 1
 7     Jul2012 20.39 2
 8     Jul1997 20.40 2
 9     Jul2003 21.21 1
10    Jul1994 21.88 1
11    Jul1998 22.01 2
12    Jul1999 22.49 2
13    Jul1991 22.83 1
14    Jul1995 23.06 1
15    Jul2002 23.10 1
16    Jul1990 23.19 1
17    Jul1992 23.35 1
18    Jul1993 23.49 1
19    Jul1996 23.58 2
20    Jul1987 23.97 1
21    Jul2001 24.04 1
22    Jul1988 24.42 1
Jul Median = 22.25      22 month-years    

 1     Aug2019 15.13 1
 2     Aug2018 17.06 2
 3     Aug2016 17.33 1
 4     Aug2017 17.73 2
 5     Aug2015 18.13 1
 6     Aug2014 18.50 1
 7     Aug2013 18.70 1
 8     Aug2011 19.37 1
 9     Aug2009 19.80 1
10    Aug2005 20.57 2
11    Aug2004 20.81 2
12    Aug2008 21.43 1
13    Aug2006 21.73 1
14    Aug2007 21.93 1
15    Aug1997 22.18 1
16    Aug1994 22.82 1
17    Aug1989 22.96 1
18    Aug1992 23.50 1
19    Aug1991 23.64 1
20    Aug1999 23.65 1
21    Aug1990 23.68 1
22    Aug1995 23.68 1
23    Aug1993 23.94 1
24    Aug1996 24.37 1
25    Aug2001 24.40 2
26    Aug2000 24.66 1
27    Aug1987 24.90 1
28    Aug1988 25.07 1
Aug Median = 22.06      28 month-years    

 1     Sep2016 17.86 2
 2     Sep2014 18.67 1
 3     Sep2013 19.30 1
 4     Sep2015 19.44 1
 5     Sep2009 20.14 1
 6     Sep2012 20.35 1
 7     Sep2005 21.06 1
 8     Sep2004 21.31 1
 9     Sep2006 21.47 1
10    Sep2003 21.86 2
11    Sep1998 22.56 2
12    Sep1989 22.84 1
13    Sep1997 23.00 1
14    Sep1990 23.28 1
15    Sep2002 23.45 1
16    Sep1993 23.87 1
17    Sep1995 24.21 1
18    Sep2001 24.40 1
19    Sep2000 25.96 1
Sep Median = 21.86      19 month-years    

 1     Oct2017 17.75 1
 2     Oct2016 18.43 1
 3     Oct2015 18.44 1
 4     Oct2014 19.03 1
 5     Oct2009 19.53 2
 6     Oct2013 19.69 1
 7     Oct2011 19.77 1
 8     Oct2010 19.80 1
 9     Oct2012 20.44 1
10    Oct2004 21.39 1
11    Oct2008 21.75 2
12    Oct2003 21.76 1
13    Oct2006 21.90 1
14    Oct2007 22.57 1
15    Oct1989 22.78 1
16    Oct1997 22.78 1
17    Oct2002 23.09 2
18    Oct1994 23.20 2
19    Oct1993 23.43 1
20    Oct1992 23.52 2
21    Oct1990 23.62 1
22    Oct1991 23.89 2
23    Oct1999 23.90 1
24    Oct2001 24.17 1
25    Oct1995 24.40 1
26    Oct1996 24.49 2
27    Oct1988 24.94 2
28    Oct1987 25.30 1
29    Oct2000 25.98 1
Oct Median = 22.78      29 month-years    

 1     Nov2018 16.79 1
 2     Nov2017 17.67 1
 3     Nov2016 18.41 1
 4     Nov2011 19.63 2
 5     Nov2012 20.35 2
 6     Nov2005 21.04 1
 7     Nov2006 21.46 2
 8     Nov2007 22.31 1
 9     Nov1998 22.36 1
10    Nov1992 22.65 1
11    Nov2002 22.66 1
12    Nov1989 23.08 1
13    Nov1993 23.49 1
14    Nov1990 23.63 1
15    Nov1999 23.82 1
16    Nov1995 24.06 1
17    Nov1996 24.09 1
18    Nov1991 24.15 1
19    Nov1988 24.40 1
20    Nov1987 25.72 1
21    Nov2000 25.84 1
Nov Median = 22.66      21 month-years    

 1     Dec2017 17.56 1
 2     Dec2015 17.99 1
 3     Dec2009 18.95 1
 4     Dec2014 19.14 2
 5     Dec2013 19.33 1
 6     Dec2004 19.97 2
 7     Dec2003 21.05 2
 8     Dec2005 21.22 1
 9     Dec2008 21.66 1
10    Dec2002 22.15 1
11    Dec1998 22.18 1
12    Dec1992 22.30 1
13    Dec1997 22.52 1
14    Dec1990 23.09 1
15    Dec1994 23.18 1
16    Dec1991 23.25 1
17    Dec1993 23.27 1
18    Dec2001 23.60 1
19    Dec1999 23.68 1
20    Dec1989 23.83 1
21    Dec1988 24.08 1
22    Dec1987 25.00 2
23    Dec2000 25.66 1
Dec Median = 22.3      23 month-years    

Source: (dbo.sp_MonthYearStats20100317a) - SPC - 1 - lev_va - Comp date: 9/8/2019 4:00:56 AM - Ver: 05-47-0009
  • 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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