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Period of Record Monthly Statistics for 373429105554001 - NA03901031CCC RG50A
Annual monthly statistics of approved data for all data types.
Report date: 1/28/2018 11:14:16 PM

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     Jan1976 7.58 1
 2     Jan1975 7.59 1
 3     Jan1980 8.59 1
 4     Jan1978 8.63 2
 5     Jan1979 8.84 1
 6     Jan1981 9.29 1
 7     Jan1990 11.80 1
 8     Jan1982 11.89 1
 9     Jan1988 12.01 1
10    Jan1991 12.22 1
11    Jan1993 12.41 1
12    Jan1992 12.43 1
13    Jan1994 13.00 1
14    Jan1983 13.15 2
15    Jan1987 13.36 1
16    Jan1986 14.18 1
17    Jan1985 14.46 1
18    Jan1995 14.59 1
19    Jan1996 15.30 1
20    Jan2002 15.77 1
21    Jan2001 16.86 1
22    Jan1997 17.01 1
23    Jan2000 17.02 1
24    Jan2014 17.05 1
25    Jan2015 17.65 1
26    Jan1998 17.69 1
27    Jan1999 17.70 1
28    Jan2011 18.08 1
29    Jan2010 18.10 1
30    Jan2013 18.1 1
31    Jan2003 18.56 1
32    Jan2008 18.65 1
33    Jan2009 19.10 1
34    Jan2012 19.13 2
35    Jan2004 20.23 1
36    Jan2005 20.70 1
37    Jan2007 20.9 1
38    Jan2006 21.00 1
Jan Median = 15.5      38 month-years    

 1     Feb1976 7.5 1
 2     Feb1975 7.58 1
 3     Feb1980 8.52 1
 4     Feb1979 8.73 1
 5     Feb1978 8.82 1
 6     Feb1977 9.16 1
 7     Feb1981 9.44 1
 8     Feb1982 11.52 1
 9     Feb1990 11.63 1
10    Feb1992 12.23 1
11    Feb1993 12.25 1
12    Feb1988 12.30 1
13    Feb1994 12.74 1
14    Feb1983 12.94 1
15    Feb1984 12.99 1
16    Feb1987 13.09 1
17    Feb1985 13.81 1
18    Feb1986 13.88 1
19    Feb1995 14.25 1
20    Feb1996 14.99 1
21    Feb2002 15.58 1
22    Feb2001 16.56 1
23    Feb1997 16.80 1
24    Feb2000 16.80 1
25    Feb2014 16.88 1
26    Feb1999 17.46 1
27    Feb1998 17.49 1
28    Feb2015 17.51 1
29    Feb2013 17.92 1
30    Feb2010 18.00 1
31    Feb2011 18.00 1
32    Feb2003 18.36 1
33    Feb2008 18.55 1
34    Feb2009 19.14 1
35    Feb2004 20.09 1
36    Feb2005 20.57 1
37    Feb2006 20.84 1
Feb Median = 14.25      37 month-years    

 1     Mar1975 7.5 1
 2     Mar1976 7.58 1
 3     Mar1979 7.65 1
 4     Mar1980 8.44 1
 5     Mar1978 8.79 1
 6     Mar1981 9.42 2
 7     Mar1989 11.00 1
 8     Mar1982 11.44 1
 9     Mar1990 11.56 1
10    Mar1991 11.86 1
11    Mar1992 12.00 1
12    Mar1993 12.05 1
13    Mar1988 12.11 1
14    Mar1994 12.59 1
15    Mar1984 12.81 1
16    Mar1987 12.90 1
17    Mar1986 13.54 1
18    Mar1985 13.58 1
19    Mar1995 14.09 1
20    Mar2002 15.39 1
21    Mar1996 15.76 1
22    Mar2001 16.33 1
23    Mar2000 16.51 1
24    Mar1997 16.57 1
25    Mar2014 16.81 1
26    Mar1999 17.17 1
27    Mar1998 17.28 1
28    Mar2015 17.33 2
29    Mar2013 17.74 1
30    Mar2010 17.84 1
31    Mar2011 17.85 1
32    Mar2003 18.19 1
33    Mar2008 18.50 1
34    Mar2012 18.89 1
35    Mar2009 18.91 1
36    Mar2004 19.22 1
37    Mar2005 20.35 1
38    Mar2007 20.60 1
39    Mar2006 20.69 1
Mar Median = 15.39      39 month-years    

 1     Apr1975 7.36 1
 2     Apr1976 7.5 1
 3     Apr1978 8.25 1
 4     Apr1980 8.36 1
 5     Apr1977 8.5 1
 6     Apr1979 8.52 1
 7     Apr1991 8.66 1
 8     Apr1981 9.38 1
 9     Apr1990 11.35 1
10    Apr1992 11.75 1
11    Apr1993 11.97 1
12    Apr1988 12.05 1
13    Apr1994 12.44 1
14    Apr1987 12.60 1
15    Apr1984 12.68 1
16    Apr1983 12.77 1
17    Apr1986 13.30 1
18    Apr1985 13.49 1
19    Apr1996 14.47 1
20    Apr2002 14.71 2
21    Apr2001 16.08 1
22    Apr2000 16.23 1
23    Apr1997 16.34 1
24    Apr2014 16.70 1
25    Apr1999 16.93 1
26    Apr1998 17.18 1
27    Apr2010 17.70 1
28    Apr2011 17.73 1
29    Apr1995 17.89 1
30    Apr2003 18.04 1
31    Apr2008 18.33 1
32    Apr2009 18.75 1
33    Apr2004 19.74 1
34    Apr2007 20.37 1
35    Apr2006 20.48 1
Apr Median = 13.49      35 month-years    

 1     May1976 7 1
 2     May1975 7.2 1
 3     May1980 8.31 1
 4     May1979 8.37 1
 5     May2000 9.31 1
 6     May1981 10.33 1
 7     May1989 10.84 1
 8     May1982 11.27 1
 9     May1990 11.29 1
10    May1991 11.60 1
11    May1992 11.62 1
12    May1988 11.69 1
13    May1993 11.73 1
14    May1994 12.19 1
15    May1987 12.38 1
16    May1984 12.56 1
17    May1983 12.65 1
18    May1986 13.17 1
19    May1985 13.28 1
20    May1995 13.87 1
21    May1996 14.40 1
22    May2009 14.90 1
23    May1999 15.59 1
24    May2001 15.72 1
25    May1997 15.90 1
26    May2013 16.52 1
27    May2014 16.55 1
28    May1998 16.95 1
29    May2015 17.16 1
30    May2012 17.37 1
31    May2010 17.53 1
32    May2007 17.76 1
33    May2011 17.76 1
34    May2003 17.96 1
35    May2008 18.36 1
36    May2004 18.37 1
37    May2006 20.10 1
38    May2005 20.13 1
May Median = 13.58      38 month-years    

 1     Jun1975 6.67 1
 2     Jun1976 7 1
 3     Jun1978 8.25 1
 4     Jun1979 8.33 1
 5     Jun1980 8.36 1
 6     Jun1981 8.68 1
 7     Jun2001 9.23 1
 8     Jun2000 10.45 1
 9     Jun2010 10.73 1
10    Jun1989 10.99 1
11    Jun2007 11.00 1
12    Jun1990 11.17 1
13    Jun1988 11.22 1
14    Jun1998 11.22 1
15    Jun1982 11.74 2
16    Jun1991 11.89 1
17    Jun1992 11.93 1
18    Jun1993 11.97 1
19    Jun1999 12.05 1
20    Jun2009 12.07 2
21    Jun2008 12.12 2
22    Jun1987 12.28 1
23    Jun2014 12.35 1
24    Jun1984 12.84 2
25    Jun1994 12.88 1
26    Jun1996 13.22 1
27    Jun1986 13.43 1
28    Jun2004 13.47 1
29    Jun1985 13.48 1
30    Jun1983 13.62 1
31    Jun1995 14.16 1
32    Jun1997 14.37 1
33    Jun2005 14.95 2
34    Jun2002 15.93 2
35    Jun2011 16.28 2
36    Jun2006 16.80 1
37    Jun2015 17.03 1
38    Jun2013 17.16 1
39    Jun2012 17.82 1
40    Jun2003 18.33 1
Jun Median = 12.10      40 month-years    

 1     Jul1975 6.66 1
 2     Jul1980 6.87 1
 3     Jul1976 7.58 1
 4     Jul1979 7.96 1
 5     Jul1978 8.60 1
 6     Jul1981 10.10 2
 7     Jul1989 11.39 2
 8     Jul2001 11.65 1
 9     Jul1995 11.72 1
10    Jul1990 11.81 2
11    Jul1988 11.86 2
12    Jul2007 12.04 1
13    Jul1991 12.15 1
14    Jul1987 12.37 1
15    Jul1992 12.58 1
16    Jul1982 12.63 1
17    Jul1993 12.77 1
18    Jul1983 12.91 2
19    Jul1998 13.12 1
20    Jul2010 13.20 1
21    Jul1999 13.33 1
22    Jul2000 13.63 1
23    Jul1986 13.85 2
24    Jul1985 14.05 1
25    Jul1997 14.16 1
26    Jul2014 14.30 1
27    Jul1994 14.37 1
28    Jul1996 14.90 1
29    Jul2015 16.44 1
30    Jul2004 16.75 1
31    Jul2012 18.15 1
32    Jul2006 19.00 1
33    Jul2003 19.10 1
Jul Median = 12.77      33 month-years    

 1     Aug1975 7.08 1
 2     Aug1976 7.33 1
 3     Aug1979 8.37 1
 4     Aug1977 8.52 1
 5     Aug1980 8.54 1
 6     Aug1981 10.59 1
 7     Aug1992 12.73 1
 8     Aug1993 12.99 1
 9     Aug1987 13.08 1
10    Aug1982 13.47 1
11    Aug1991 13.91 1
12    Aug2001 14.18 1
13    Aug1985 14.75 1
14    Aug2000 14.75 1
15    Aug1994 14.95 1
16    Aug1995 15.05 1
17    Aug1999 15.31 1
18    Aug1997 15.44 1
19    Aug2007 15.59 1
20    Aug2010 15.66 1
21    Aug2014 15.69 1
22    Aug1998 15.70 1
23    Aug2008 15.86 1
24    Aug2009 16.10 1
25    Aug1996 16.11 1
26    Aug2015 17.11 1
27    Aug2002 17.45 1
28    Aug2011 17.77 1
29    Aug2012 18.25 1
30    Aug2004 18.29 1
31    Aug2005 18.84 1
32    Aug2003 19.45 1
33    Aug2006 24.04 1
Aug Median = 15.31      33 month-years    

 1     Sep1974 7.5 1
 2     Sep1975 7.5 1
 3     Sep1976 8.5 1
 4     Sep1979 8.66 1
 5     Sep1978 8.78 1
 6     Sep1977 8.79 1
 7     Sep1980 9.14 1
 8     Sep1981 11.29 1
 9     Sep1988 11.93 1
10    Sep1989 12.28 1
11    Sep1990 12.83 1
12    Sep1992 13.01 1
13    Sep1991 13.19 1
14    Sep1987 13.35 1
15    Sep1983 13.40 1
16    Sep1993 13.67 1
17    Sep1986 14.70 1
18    Sep1984 14.83 1
19    Sep2001 15.36 1
20    Sep1994 15.38 1
21    Sep1999 15.65 1
22    Sep2014 16.35 1
23    Sep2000 16.43 1
24    Sep1996 16.70 1
25    Sep2010 16.85 1
26    Sep2007 17.03 1
27    Sep1997 17.04 1
28    Sep2008 17.27 1
29    Sep1998 17.36 2
30    Sep2002 18.35 1
31    Sep2011 18.88 1
32    Sep2004 19.70 1
33    Sep2003 19.88 1
34    Sep2005 19.99 1
35    Sep2006 21.1 1
Sep Median = 14.83      35 month-years    

 1     Oct1974 7.66 1
 2     Oct1975 7.98 1
 3     Oct1976 8.5 1
 4     Oct1979 8.77 1
 5     Oct1977 8.83 1
 6     Oct1978 8.90 1
 7     Oct1980 9.37 1
 8     Oct1981 11.76 1
 9     Oct1988 11.80 1
10    Oct1989 12.35 1
11    Oct1990 12.84 1
12    Oct1992 13.02 1
13    Oct1991 13.10 1
14    Oct1987 13.23 1
15    Oct1983 13.47 1
16    Oct1982 13.79 1
17    Oct1993 13.82 1
18    Oct1986 14.36 1
19    Oct1984 15.06 1
20    Oct1994 15.48 1
21    Oct1995 15.78 1
22    Oct2001 15.84 1
23    Oct1999 16.93 1
24    Oct2000 16.94 1
25    Oct1997 17.03 1
26    Oct2014 17.08 1
27    Oct1996 17.15 1
28    Oct2013 17.45 1
29    Oct2010 17.70 1
30    Oct2007 17.85 1
31    Oct2009 17.88 1
32    Oct1998 18.17 1
33    Oct2008 18.44 1
34    Oct2012 18.58 1
35    Oct2002 18.78 1
36    Oct2011 19.26 1
37    Oct2003 20.35 1
38    Oct2004 20.39 1
39    Oct2005 20.83 1
40    Oct2006 21.3 1
Oct Median = 15.63      40 month-years    

 1     Nov1974 7.66 1
 2     Nov1975 7.66 1
 3     Nov1976 8.58 1
 4     Nov1979 8.72 1
 5     Nov1978 8.80 1
 6     Nov1980 9.44 1
 7     Nov1988 11.72 1
 8     Nov1981 11.81 1
 9     Nov1989 12.18 1
10    Nov1990 12.67 1
11    Nov1992 12.86 1
12    Nov1987 13.01 1
13    Nov1993 13.49 1
14    Nov1983 13.53 1
15    Nov1982 13.58 2
16    Nov1986 14.09 1
17    Nov1984 14.74 1
18    Nov1985 14.81 1
19    Nov1994 15.08 1
20    Nov1995 15.80 1
21    Nov2001 16.07 1
22    Nov2013 17.23 1
23    Nov2000 17.24 1
24    Nov1999 17.35 1
25    Nov1996 17.44 1
26    Nov2014 17.45 1
27    Nov1997 17.74 1
28    Nov2010 18.07 1
29    Nov2009 18.23 1
30    Nov2012 18.43 1
31    Nov2007 18.48 1
32    Nov2002 18.85 1
33    Nov2008 19.00 1
34    Nov2003 20.50 1
35    Nov2006 20.59 1
36    Nov2004 20.81 1
37    Nov2005 21.10 1
Nov Median = 15.08      37 month-years    

 1     Dec1974 7.66 1
 2     Dec1975 7.75 1
 3     Dec1977 8.66 1
 4     Dec1979 8.66 1
 5     Dec1978 8.78 1
 6     Dec1976 8.91 1
 7     Dec1980 9.47 1
 8     Dec1981 11.89 1
 9     Dec1989 11.90 1
10    Dec1993 12.05 1
11    Dec1990 12.50 1
12    Dec1991 12.61 1
13    Dec1987 12.70 1
14    Dec1992 12.73 1
15    Dec1983 13.20 1
16    Dec1986 13.78 1
17    Dec1994 14.47 1
18    Dec1984 14.57 1
19    Dec1985 14.73 1
20    Dec1995 15.58 1
21    Dec2001 15.97 1
22    Dec2000 17.13 1
23    Dec2013 17.13 1
24    Dec1999 17.26 1
25    Dec1996 17.28 1
26    Dec2014 17.64 1
27    Dec1998 17.88 1
28    Dec1997 17.91 1
29    Dec2010 18.20 1
30    Dec2009 18.24 1
31    Dec2012 18.29 1
32    Dec2003 18.41 1
33    Dec2007 18.66 1
34    Dec2002 18.77 1
35    Dec2008 19.18 1
36    Dec2006 20.96 1
37    Dec2005 21.18 1
Dec Median = 14.73      37 month-years    

Source: (dbo.sp_MonthYearStats20100317a) - SPC - 1 - lev_va - Comp date: 1/28/2018 11:14:55 PM - 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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