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Period of Record Monthly Statistics for 373944105553701 - NA03901006BBB RG40
Annual monthly statistics of approved data for all data types.
Report date: 1/28/2018 11:35:15 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 6.39 1
 2     Jan1975 7.58 1
 3     Jan1987 8.37 1
 4     Jan1988 8.46 1
 5     Jan1996 8.59 1
 6     Jan1978 8.9 2
 7     Jan2000 9.06 1
 8     Jan1980 9.19 1
 9     Jan1981 9.35 1
10    Jan1994 10.11 1
11    Jan1986 10.24 1
12    Jan2002 10.59 1
13    Jan1989 10.60 1
14    Jan1995 10.60 1
15    Jan1979 10.74 2
16    Jan2001 11.12 1
17    Jan1998 11.13 1
18    Jan1999 11.36 1
19    Jan1993 11.57 1
20    Jan1990 11.61 1
21    Jan1982 11.87 1
22    Jan1991 12.37 1
23    Jan1992 12.80 1
24    Jan2010 13.30 1
25    Jan2009 13.77 1
26    Jan2003 14.15 1
27    Jan1985 14.35 1
28    Jan2011 14.39 1
29    Jan1983 14.49 1
30    Jan1984 14.78 1
31    Jan2008 14.80 1
32    Jan2004 16.66 1
33    Jan2007 17.32 1
34    Jan2006 17.55 1
35    Jan2012 17.57 1
36    Jan2005 18.16 1
37    Jan2013 19.58 1
38    Jan2015 20.05 1
39    Jan2014 21.03 1
Jan Median = 11.61      39 month-years    

 1     Feb1977 6.41 1
 2     Feb1976 6.65 1
 3     Feb1974 6.79 1
 4     Feb1975 7.59 1
 5     Feb1978 7.87 1
 6     Feb1987 7.90 1
 7     Feb1988 8.40 1
 8     Feb1996 8.50 1
 9     Feb2000 8.89 1
10    Feb1980 9.13 1
11    Feb1981 9.17 1
12    Feb1994 9.57 1
13    Feb1979 9.90 1
14    Feb1989 10.01 1
15    Feb1995 10.11 1
16    Feb2002 10.46 1
17    Feb1998 10.69 1
18    Feb2001 10.94 1
19    Feb1999 11.14 1
20    Feb1990 11.22 1
21    Feb1993 11.32 1
22    Feb1982 11.98 1
23    Feb1992 12.34 1
24    Feb1985 12.88 1
25    Feb2010 13.00 1
26    Feb2003 13.95 1
27    Feb1984 14.13 1
28    Feb1983 14.14 1
29    Feb2009 14.30 1
30    Feb2011 14.34 1
31    Feb2008 14.35 1
32    Feb2004 16.35 1
33    Feb2006 17.19 1
34    Feb2012 17.48 1
35    Feb2005 17.55 1
36    Feb2013 19.44 1
37    Feb2015 19.82 1
38    Feb2014 20.68 1
Feb Median = 11.18      38 month-years    

 1     Mar1977 6.41 1
 2     Mar1975 7.44 1
 3     Mar1987 7.76 1
 4     Mar1978 8.01 1
 5     Mar1988 8.31 1
 6     Mar2000 8.40 1
 7     Mar1996 8.61 1
 8     Mar1981 9.08 1
 9     Mar1980 9.12 1
10    Mar1986 9.48 1
11    Mar1994 9.53 1
12    Mar1989 9.74 1
13    Mar1979 9.75 1
14    Mar1995 9.90 1
15    Mar1998 10.02 1
16    Mar2002 10.37 1
17    Mar1999 10.92 1
18    Mar1993 10.97 1
19    Mar2001 10.98 1
20    Mar1990 11.09 1
21    Mar1991 11.65 1
22    Mar1992 12.02 1
23    Mar1982 12.09 1
24    Mar1985 12.53 1
25    Mar2010 12.70 1
26    Mar1984 13.59 1
27    Mar1983 13.75 1
28    Mar2009 13.88 1
29    Mar2011 13.93 1
30    Mar2003 13.96 1
31    Mar2008 14.25 1
32    Mar2004 16.14 1
33    Mar2006 16.97 1
34    Mar2007 17.20 1
35    Mar2005 17.39 1
36    Mar2012 17.46 1
37    Mar2013 19.37 1
38    Mar2015 19.55 2
39    Mar2014 20.49 1
Mar Median = 11.09      39 month-years    

 1     Apr1976 6.33 1
 2     Apr1975 7.24 1
 3     Apr1977 7.45 1
 4     Apr1987 7.59 1
 5     Apr1988 7.72 1
 6     Apr1996 8.10 1
 7     Apr1978 8.4 1
 8     Apr2000 8.54 1
 9     Apr1981 9.19 1
10    Apr1980 9.24 1
11    Apr1989 9.30 1
12    Apr1986 9.40 1
13    Apr1994 9.49 1
14    Apr1995 9.68 1
15    Apr1979 9.89 1
16    Apr1998 9.92 1
17    Apr1999 10.30 1
18    Apr2002 10.34 1
19    Apr1993 10.80 1
20    Apr2001 10.80 1
21    Apr1990 10.89 1
22    Apr1997 11.07 1
23    Apr1991 11.52 1
24    Apr1992 11.58 1
25    Apr1982 12.14 1
26    Apr1985 12.30 1
27    Apr2010 12.72 1
28    Apr1984 13.33 1
29    Apr2009 13.48 1
30    Apr1983 13.49 1
31    Apr2011 13.83 1
32    Apr2003 13.85 1
33    Apr2008 14.40 1
34    Apr2004 16.27 1
35    Apr2006 16.84 1
36    Apr2007 16.88 1
37    Apr2014 20.17 1
Apr Median = 10.8      37 month-years    

 1     May1987 6.78 1
 2     May1976 7 1
 3     May1975 7.14 1
 4     May1988 7.39 1
 5     May1996 8.00 1
 6     May1986 9.05 1
 7     May1994 9.08 1
 8     May1978 9.1 1
 9     May1980 9.30 1
10    May1995 9.35 1
11    May1989 9.59 1
12    May1998 9.74 1
13    May1979 9.96 1
14    May1999 10.01 1
15    May2000 10.07 1
16    May2002 10.43 1
17    May1993 10.77 1
18    May1990 10.87 1
19    May1981 10.98 1
20    May2010 11.04 1
21    May1992 11.30 1
22    May2001 11.32 1
23    May1991 11.69 1
24    May1997 11.79 1
25    May1985 11.94 1
26    May2009 12.16 1
27    May2008 12.76 1
28    May1984 13.13 1
29    May1983 13.82 1
30    May2011 14.29 1
31    May2003 14.41 1
32    May1982 14.56 1
33    May2004 16.44 1
34    May2007 16.66 1
35    May2006 17.00 1
36    May2012 17.33 1
37    May2005 17.66 1
38    May2014 19.41 1
39    May2015 19.50 1
May Median = 11.04      39 month-years    

 1     Jun1976 4.41 1
 2     Jun1975 6.5 1
 3     Jun1987 7.05 1
 4     Jun1979 7.35 1
 5     Jun1986 7.68 1
 6     Jun1980 7.75 1
 7     Jun1996 9.12 1
 8     Jun1995 9.14 1
 9     Jun1988 9.15 1
10    Jun1993 9.26 1
11    Jun1989 9.51 1
12    Jun1985 9.74 1
13    Jun1994 9.91 1
14    Jun2000 10.00 1
15    Jun2009 10.08 2
16    Jun2001 10.15 2
17    Jun1999 10.26 1
18    Jun1978 10.28 1
19    Jun2007 10.65 1
20    Jun1991 10.69 1
21    Jun2010 10.89 2
22    Jun1998 10.99 1
23    Jun1981 11.03 1
24    Jun1997 11.15 1
25    Jun2008 11.33 1
26    Jun1992 11.36 1
27    Jun2002 11.54 2
28    Jun1990 11.78 1
29    Jun1984 12.63 2
30    Jun1983 14.18 1
31    Jun2011 14.42 2
32    Jun2003 14.48 1
33    Jun2005 15.47 1
34    Jun2006 15.56 1
35    Jun1982 15.92 2
36    Jun2004 16.34 1
37    Jun2012 17.25 1
38    Jun2014 17.80 1
39    Jun2015 18.13 1
40    Jun2013 18.20 1
Jun Median = 10.79      40 month-years    

 1     Jul1975 4.25 1
 2     Jul1976 4.58 1
 3     Jul1980 6.83 1
 4     Jul1986 7.10 2
 5     Jul1987 7.10 1
 6     Jul1985 7.91 1
 7     Jul1993 9.78 1
 8     Jul1995 10.17 1
 9     Jul2008 10.65 1
10    Jul1988 10.80 2
11    Jul1978 11.10 1
12    Jul1996 11.41 1
13    Jul2000 11.98 1
14    Jul1999 12.16 1
15    Jul1989 12.46 2
16    Jul1991 12.97 1
17    Jul1994 13.13 1
18    Jul1983 13.27 2
19    Jul1997 13.33 1
20    Jul1998 13.72 1
21    Jul2007 13.84 2
22    Jul1990 14.48 2
23    Jul1992 14.83 1
24    Jul1981 15.22 2
25    Jul1984 15.78 1
26    Jul2015 16.20 1
27    Jul2005 17.83 1
28    Jul1982 18.11 1
29    Jul2003 18.66 1
30    Jul2012 19.14 1
31    Jul2014 19.29 1
32    Jul2004 19.31 1
33    Jul2006 19.91 1
34    Jul2013 20.50 1
Jul Median = 13.20      34 month-years    

 1     Aug1976 4.33 1
 2     Aug1975 5.33 1
 3     Aug1979 8.59 1
 4     Aug1980 9.27 1
 5     Aug1987 9.42 1
 6     Aug1985 9.61 1
 7     Aug1977 10.13 1
 8     Aug1993 10.20 1
 9     Aug2001 11.85 1
10    Aug1995 11.88 1
11    Aug1978 11.90 1
12    Aug1994 11.95 1
13    Aug2000 12.23 1
14    Aug1999 13.13 1
15    Aug1991 14.43 1
16    Aug1981 14.59 1
17    Aug2010 14.61 1
18    Aug2009 15.10 1
19    Aug1992 15.23 1
20    Aug1998 15.24 1
21    Aug2008 15.50 1
22    Aug2002 16.10 1
23    Aug1982 16.28 1
24    Aug2011 17.30 1
25    Aug2015 17.80 1
26    Aug2003 19.42 1
27    Aug2006 20.0 1
28    Aug2012 20.18 1
29    Aug2014 20.29 1
30    Aug2004 20.45 1
31    Aug2005 20.53 1
Aug Median = 14.59      31 month-years    

 1     Sep1976 5 1
 2     Sep1975 6.65 1
 3     Sep1974 8 1
 4     Sep1979 8.59 1
 5     Sep1977 9.37 1
 6     Sep1987 9.38 1
 7     Sep1980 9.66 1
 8     Sep1985 9.74 1
 9     Sep1986 9.97 1
10    Sep1978 10.02 1
11    Sep1995 10.51 1
12    Sep1988 11.03 1
13    Sep2001 11.19 1
14    Sep1999 11.89 1
15    Sep2000 12.06 1
16    Sep1997 12.18 1
17    Sep1993 12.31 1
18    Sep1996 12.78 1
19    Sep1994 12.90 1
20    Sep1992 13.23 1
21    Sep1998 13.71 1
22    Sep1981 13.72 1
23    Sep1989 14.60 1
24    Sep1991 14.77 1
25    Sep1990 14.82 1
26    Sep2010 14.88 1
27    Sep2008 15.34 1
28    Sep2002 15.37 1
29    Sep2007 16.07 1
30    Sep1983 17.48 1
31    Sep1984 17.55 1
32    Sep2003 18.07 1
33    Sep2005 18.61 1
34    Sep2011 18.78 1
35    Sep2006 19.16 1
36    Sep2004 19.44 1
37    Sep2014 20.91 1
Sep Median = 12.9      37 month-years    

 1     Oct1976 6.72 1
 2     Oct1975 7 1
 3     Oct1974 8 1
 4     Oct1977 8.16 1
 5     Oct1979 8.83 1
 6     Oct1987 9.18 1
 7     Oct1986 9.60 1
 8     Oct1978 9.64 1
 9     Oct1980 10.12 1
10    Oct1995 10.33 1
11    Oct1999 10.58 1
12    Oct1988 11.10 1
13    Oct2001 11.10 1
14    Oct1985 11.22 1
15    Oct1993 11.57 1
16    Oct2000 11.63 1
17    Oct1997 12.28 1
18    Oct1994 12.39 1
19    Oct1992 12.65 1
20    Oct1998 12.67 1
21    Oct1981 13.20 1
22    Oct1990 13.95 1
23    Oct2009 14.30 1
24    Oct2008 14.52 1
25    Oct2010 14.67 1
26    Oct2002 14.80 1
27    Oct1991 14.93 1
28    Oct1982 15.39 1
29    Oct1989 15.51 1
30    Oct2007 15.56 1
31    Oct1983 15.99 1
32    Oct1984 15.99 1
33    Oct2003 17.96 1
34    Oct2011 17.97 1
35    Oct2005 18.51 1
36    Oct2006 18.63 1
37    Oct2004 18.72 1
38    Oct2012 20.27 1
39    Oct2014 20.70 1
40    Oct2013 21.63 1
Oct Median = 12.9      40 month-years    

 1     Nov1976 6.08 1
 2     Nov1975 6.66 1
 3     Nov1974 7.75 1
 4     Nov1977 8.68 1
 5     Nov1987 9.07 1
 6     Nov1979 9.08 1
 7     Nov1986 9.22 1
 8     Nov1980 9.99 1
 9     Nov1995 10.25 1
10    Nov1999 10.36 1
11    Nov1978 10.39 1
12    Nov1993 10.82 1
13    Nov1985 11.06 1
14    Nov2001 11.08 1
15    Nov1988 11.18 1
16    Nov1994 11.26 1
17    Nov1997 11.32 1
18    Nov2000 11.40 1
19    Nov1996 11.89 1
20    Nov1998 12.10 1
21    Nov1989 12.29 1
22    Nov1992 12.38 1
23    Nov1981 12.86 1
24    Nov1990 13.20 1
25    Nov2009 14.00 1
26    Nov2008 14.24 1
27    Nov2010 14.45 1
28    Nov2002 14.59 1
29    Nov1984 14.85 1
30    Nov1982 15.09 1
31    Nov1983 15.34 1
32    Nov2007 15.40 1
33    Nov2003 17.43 1
34    Nov2005 17.96 1
35    Nov2006 18.16 1
36    Nov2004 18.48 1
37    Nov2012 19.89 1
38    Nov2014 20.50 1
39    Nov2013 21.26 1
Nov Median = 12.1      39 month-years    

 1     Dec1975 6.57 1
 2     Dec1976 6.58 1
 3     Dec1974 7.66 1
 4     Dec1987 8.77 1
 5     Dec1986 8.86 1
 6     Dec1995 8.91 1
 7     Dec1977 9 1
 8     Dec1979 9.03 1
 9     Dec1999 9.54 1
10    Dec1980 9.65 1
11    Dec1978 10.25 1
12    Dec1988 10.66 1
13    Dec1993 10.68 1
14    Dec2001 10.76 1
15    Dec1985 10.78 1
16    Dec1994 10.93 1
17    Dec1997 11.08 1
18    Dec2000 11.32 1
19    Dec1996 11.49 1
20    Dec1998 11.74 1
21    Dec1989 11.85 1
22    Dec1992 12.10 1
23    Dec1981 12.80 1
24    Dec1990 12.80 1
25    Dec1991 13.30 1
26    Dec2009 13.69 1
27    Dec2008 14.00 1
28    Dec1984 14.12 1
29    Dec2002 14.33 1
30    Dec2010 14.46 1
31    Dec1983 14.68 1
32    Dec1982 14.83 1
33    Dec2007 15.04 1
34    Dec2003 16.95 1
35    Dec2005 17.71 1
36    Dec2006 18.14 1
37    Dec2012 19.63 1
38    Dec2014 20.29 1
39    Dec2013 21.08 1
Dec Median = 11.74      39 month-years    

Source: (dbo.sp_MonthYearStats20100317a) - SPC - 1 - lev_va - Comp date: 1/28/2018 11:35:54 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.
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  • These data may be subject to significant change and are not citeable until reviewed and approved by the U.S. Geological Survey.
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  • 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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