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Period of Record Monthly Statistics for 293352095011601 - LJ-65-32-625 Seabrook Extensometer
Annual monthly statistics of approved data for all data types.
Report date: 3/10/2019 8:55:05 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     Jan2009 91.37 1
 2     Jan2019 94.30 1
 3     Jan2018 95.79 1
 4     Jan2017 96.58 1
 5     Jan2016 96.61 1
 6     Jan2010 97.43 1
 7     Jan2015 97.71 1
 8     Jan2011 97.85 2
 9     Jan2008 98.03 1
10    Jan2014 98.41 1
11    Jan2013 99.29 1
12    Jan2012 99.70 1
13    Jan2007 100.78 1
14    Jan2006 101.57 1
15    Jan2005 102.21 2
16    Jan2004 104.89 1
17    Jan2003 107.25 1
18    Jan2002 109.14 1
19    Jan2001 111.70 1
20    Jan2000 112.11 1
21    Jan1999 113.36 1
22    Jan1998 114.89 1
23    Jan1997 116.68 1
24    Jan1996 118.87 2
25    Jan1995 121.14 1
26    Jan1994 124.29 1
27    Jan1993 128.25 1
28    Jan1992 136.65 2
29    Jan1991 137.84 2
30    Jan1989 143.02 1
31    Jan1990 143.70 1
32    Jan1988 145.10 1
33    Jan1987 146.76 1
34    Jan1986 147.23 1
35    Jan1984 148.30 2
36    Jan1985 148.71 2
37    Jan1980 149.30 1
38    Jan1983 150.05 1
39    Jan1982 152.59 1
40    Jan1981 154.33 1
41    Jan1974 165.29 1
42    Jan1979 165.80 2
43    Jan1978 167.82 1
44    Jan1975 172.10 1
45    Jan1976 174.32 1
46    Jan1977 178.66 1
Jan Median = 117.78      46 month-years    

 1     Feb2018 94.95 1
 2     Feb2017 96.49 1
 3     Feb2016 96.95 1
 4     Feb2010 97.58 1
 5     Feb2015 97.69 1
 6     Feb2008 97.84 1
 7     Feb2014 98.37 1
 8     Feb2013 99.10 1
 9     Feb2007 99.63 1
10    Feb2012 100.00 1
11    Feb2006 102.11 1
12    Feb2004 104.15 1
13    Feb2005 104.15 1
14    Feb2003 107.07 1
15    Feb2001 111.32 1
16    Feb2000 111.94 1
17    Feb1999 113.16 1
18    Feb1998 115.20 1
19    Feb1997 116.52 1
20    Feb1996 118.66 1
21    Feb1995 120.87 1
22    Feb1994 124.05 1
23    Feb1993 127.68 1
24    Feb1992 132.68 1
25    Feb1991 137.31 1
26    Feb1990 141.71 1
27    Feb1989 143.01 1
28    Feb1988 144.48 1
29    Feb1987 146.02 1
30    Feb1986 147.10 1
31    Feb1985 147.70 1
32    Feb1984 148.04 1
33    Feb1980 148.97 1
34    Feb1983 149.87 1
35    Feb1982 152.17 1
36    Feb1981 154.17 1
37    Feb1974 165.54 1
38    Feb1978 166.86 2
39    Feb1979 167.18 1
40    Feb1975 172.62 1
41    Feb1976 174.56 1
42    Feb1977 178.67 1
Feb Median = 122.46      42 month-years    

 1     Mar2009 93.49 1
 2     Mar2018 94.90 1
 3     Mar2017 96.45 1
 4     Mar2016 97.02 1
 5     Mar2008 97.74 1
 6     Mar2010 97.74 2
 7     Mar2015 97.75 1
 8     Mar2011 97.94 2
 9     Mar2013 98.87 1
10    Mar2007 99.50 1
11    Mar2012 99.97 1
12    Mar2006 100.31 1
13    Mar2005 101.84 2
14    Mar2004 104.36 2
15    Mar2003 106.96 1
16    Mar2002 108.68 1
17    Mar2001 111.04 1
18    Mar2000 111.92 1
19    Mar1999 113.02 1
20    Mar1998 114.64 1
21    Mar1997 116.23 1
22    Mar1996 118.44 1
23    Mar1995 120.42 1
24    Mar1994 123.72 1
25    Mar1993 127.25 1
26    Mar1992 130.37 1
27    Mar1991 136.79 1
28    Mar1990 141.34 2
29    Mar1989 143.29 2
30    Mar1988 143.83 2
31    Mar1987 146.21 1
32    Mar1986 146.83 1
33    Mar1980 147.42 1
34    Mar1985 147.45 1
35    Mar1984 147.86 1
36    Mar1983 149.06 2
37    Mar1982 152.03 2
38    Mar1981 153.66 2
39    Mar1978 165.82 1
40    Mar1974 166.02 1
41    Mar1979 166.92 1
42    Mar1975 173.09 1
43    Mar1976 175.09 1
44    Mar1977 178.33 2
Mar Median = 119.43      44 month-years    

 1     Apr2009 94.61 2
 2     Apr2018 94.84 1
 3     Apr2017 96.32 1
 4     Apr2008 97.33 1
 5     Apr2015 97.55 1
 6     Apr2014 98.31 1
 7     Apr2012 99.57 1
 8     Apr2013 99.65 1
 9     Apr2006 100.23 1
10    Apr2007 101.16 1
11    Apr2005 101.70 1
12    Apr2004 104.08 1
13    Apr2003 106.41 2
14    Apr2002 108.37 1
15    Apr2001 110.23 1
16    Apr2000 111.64 1
17    Apr1999 112.37 1
18    Apr1998 114.43 1
19    Apr1997 115.93 1
20    Apr1996 118.15 1
21    Apr1995 119.91 1
22    Apr1994 123.44 1
23    Apr1993 126.98 1
24    Apr1992 131.82 1
25    Apr1991 136.19 1
26    Apr1989 142.41 1
27    Apr1990 142.84 1
28    Apr1988 143.29 1
29    Apr1987 145.79 2
30    Apr1986 146.75 1
31    Apr1980 147.02 2
32    Apr1984 147.52 1
33    Apr1985 147.81 1
34    Apr1983 149.18 1
35    Apr1982 152.80 1
36    Apr1981 153.40 1
37    Apr1979 160.88 1
38    Apr1974 166.42 1
39    Apr1978 168.57 1
40    Apr1975 172.51 1
41    Apr1976 175.22 1
42    Apr1977 178.07 1
Apr Median = 121.68      42 month-years    

 1     May2018 94.77 1
 2     May2009 95.05 1
 3     May2017 96 1
 4     May2008 96.96 1
 5     May2016 97.03 2
 6     May2015 97.52 1
 7     May2011 97.82 1
 8     May2010 97.89 1
 9     May2014 98.21 1
10    May2013 98.77 1
11    May2012 99.44 1
12    May2006 100.04 1
13    May2005 100.85 1
14    May2007 101.14 1
15    May2004 103.88 1
16    May2003 106.42 1
17    May2002 108.07 2
18    May2001 110.71 2
19    May2000 111.39 1
20    May1999 112.04 1
21    May1998 113.99 1
22    May1997 115.70 1
23    May1996 117.90 1
24    May1995 119.63 1
25    May1994 123.21 1
26    May1993 126.51 1
27    May1992 131.57 1
28    May1991 135.72 1
29    May1989 142.20 1
30    May1990 142.45 1
31    May1988 143.04 1
32    May1987 145.44 1
33    May1986 146.62 1
34    May1980 146.91 1
35    May1985 147.37 1
36    May1984 147.59 1
37    May1983 148.94 1
38    May1982 151.66 1
39    May1981 153.12 1
40    May1979 158.97 1
41    May1973 163 1
42    May1978 163.37 1
43    May1974 166.90 1
44    May1975 172.98 1
45    May1976 176.02 1
46    May1977 176.76 1
May Median = 118.8      46 month-years    

 1     Jun2005 94.66 1
 2     Jun2009 95.49 1
 3     Jun2017 96.04 1
 4     Jun2008 96.74 1
 5     Jun2016 97.39 1
 6     Jun2015 97.57 1
 7     Jun2011 97.75 1
 8     Jun2010 97.92 2
 9     Jun2014 98.15 1
10    Jun2012 99.34 1
11    Jun2006 100.88 2
12    Jun2007 101.11 2
13    Jun2018 104.20 1
14    Jun2003 106.12 1
15    Jun2002 108.04 1
16    Jun2004 108.13 1
17    Jun2000 111.39 2
18    Jun2001 111.46 1
19    Jun1999 112.07 2
20    Jun1998 113.92 1
21    Jun1997 115.38 1
22    Jun1996 117.53 1
23    Jun1995 119.37 1
24    Jun1994 123.13 1
25    Jun1993 126.29 1
26    Jun1992 131.30 1
27    Jun1991 135.48 1
28    Jun1990 140.18 1
29    Jun1989 142.27 1
30    Jun1988 142.85 1
31    Jun1987 145.87 1
32    Jun1986 146.87 1
33    Jun1980 147.49 1
34    Jun1985 147.56 1
35    Jun1984 147.71 1
36    Jun1983 148.96 1
37    Jun1982 151.17 1
38    Jun1981 153.36 1
39    Jun1979 155.61 1
40    Jun1978 159.71 1
41    Jun1974 167.38 1
42    Jun1973 170.44 1
43    Jun1977 172.87 1
44    Jun1975 173.18 1
45    Jun1976 176.39 1
Jun Median = 119.37      45 month-years    

 1     Jul2018 95.40 1
 2     Jul2017 96.11 1
 3     Jul2009 96.14 1
 4     Jul2008 96.82 1
 5     Jul2010 97.20 1
 6     Jul2015 97.42 1
 7     Jul2014 98.07 1
 8     Jul2011 98.26 2
 9     Jul2013 98.68 1
10    Jul2016 98.73 1
11    Jul2012 99.22 1
12    Jul2006 99.96 1
13    Jul2004 103.63 1
14    Jul2003 105.99 1
15    Jul2002 108.00 1
16    Jul2001 110.18 1
17    Jul2005 110.94 1
18    Jul2000 111.72 1
19    Jul1999 112.07 1
20    Jul1998 113.88 1
21    Jul1997 115.31 1
22    Jul1996 117.49 1
23    Jul1995 119.25 1
24    Jul1994 123.02 1
25    Jul1993 125.73 1
26    Jul1992 131.22 1
27    Jul1991 135.15 1
28    Jul1990 140.43 1
29    Jul1989 141.62 1
30    Jul1988 143.37 1
31    Jul1987 146.01 1
32    Jul1986 146.66 2
33    Jul1980 147.68 1
34    Jul1984 147.80 1
35    Jul1985 148.02 1
36    Jul1983 148.94 1
37    Jul1982 151.35 1
38    Jul1981 153.70 1
39    Jul1979 153.87 2
40    Jul1973 162.42 1
41    Jul1978 164.36 1
42    Jul1974 168.33 2
43    Jul1977 172.12 1
44    Jul1975 173.36 1
45    Jul1976 176.89 2
Jul Median = 119.25      45 month-years    

 1     Aug2018 94.61 1
 2     Aug2017 96.03 1
 3     Aug2009 96.58 1
 4     Aug2008 96.60 1
 5     Aug2016 96.8 1
 6     Aug2011 97.48 1
 7     Aug2010 97.83 1
 8     Aug2014 98.01 1
 9     Aug2007 98.47 1
10    Aug2013 98.65 1
11    Aug2012 99.43 1
12    Aug2006 100.00 1
13    Aug2005 101.11 1
14    Aug2004 103.38 1
15    Aug2003 105.97 1
16    Aug2002 107.60 1
17    Aug2001 110.13 1
18    Aug1999 112.14 1
19    Aug2000 112.27 1
20    Aug1998 113.94 1
21    Aug1997 115.47 1
22    Aug1996 117.90 1
23    Aug1995 119.34 1
24    Aug1994 122.23 1
25    Aug1993 125.34 1
26    Aug1992 130.51 1
27    Aug1991 134.91 1
28    Aug1990 141.48 1
29    Aug1989 141.89 1
30    Aug1988 143.61 1
31    Aug1987 145.85 1
32    Aug1986 146.56 1
33    Aug1984 147.86 1
34    Aug1985 148.21 1
35    Aug1983 148.88 1
36    Aug1979 152.00 1
37    Aug1982 152.96 1
38    Aug1981 153.76 1
39    Aug1980 156.70 1
40    Aug1973 163.02 1
41    Aug1978 164.57 1
42    Aug1974 169.34 1
43    Aug1977 171.45 1
44    Aug1975 173.69 1
45    Aug1976 178.91 2
Aug Median = 119.34      45 month-years    

 1     Sep2008 46.58 1
 2     Sep2018 94.60 1
 3     Sep2016 96.65 1
 4     Sep2009 96.83 1
 5     Sep2015 97.45 1
 6     Sep2014 98.01 1
 7     Sep2010 98.12 1
 8     Sep2007 98.42 1
 9     Sep2013 98.58 1
10    Sep2011 98.98 1
11    Sep2012 99.46 1
12    Sep2006 99.87 1
13    Sep2005 100.82 1
14    Sep2004 103.10 1
15    Sep2003 104.33 1
16    Sep2002 107.32 1
17    Sep2001 109.55 1
18    Sep2000 112.15 1
19    Sep1999 112.50 1
20    Sep1998 113.85 1
21    Sep1997 115.42 1
22    Sep1996 117.72 1
23    Sep1995 119.44 1
24    Sep1994 122.10 1
25    Sep1993 125.56 1
26    Sep1992 130.16 1
27    Sep1991 134.76 1
28    Sep1990 139.35 1
29    Sep1989 141.98 2
30    Sep1988 143.49 1
31    Sep1986 146.30 1
32    Sep1987 146.36 1
33    Sep1984 148.09 1
34    Sep1985 148.38 1
35    Sep1983 149.19 2
36    Sep1979 150.93 1
37    Sep1982 152.81 1
38    Sep1981 153.62 1
39    Sep1980 159.13 1
40    Sep1973 163.08 1
41    Sep1978 163.91 1
42    Sep1974 169.68 1
43    Sep1977 170.20 1
44    Sep1975 173.56 1
45    Sep1976 179.53 2
Sep Median = 119.44      45 month-years    

 1     Oct2008 74 1
 2     Oct2018 95.32 1
 3     Oct2016 96.68 1
 4     Oct2009 96.99 1
 5     Oct2015 97.24 1
 6     Oct2010 97.78 1
 7     Oct2014 98.37 1
 8     Oct2013 98.53 1
 9     Oct2011 99.28 1
10    Oct2012 99.29 1
11    Oct2007 99.45 1
12    Oct2006 99.59 1
13    Oct2005 100.69 1
14    Oct2004 102.73 1
15    Oct2003 105.10 1
16    Oct2002 107.37 1
17    Oct2001 109.14 1
18    Oct2000 112.26 1
19    Oct1999 113.22 1
20    Oct1998 113.79 2
21    Oct1997 115.30 2
22    Oct1996 117.69 2
23    Oct1995 119.29 1
24    Oct1994 121.90 1
25    Oct1993 125.32 1
26    Oct1992 129.89 1
27    Oct1991 134.43 1
28    Oct1990 139.02 1
29    Oct1989 143.19 1
30    Oct1988 143.46 1
31    Oct1987 146.70 1
32    Oct1986 147.47 1
33    Oct1984 148.17 1
34    Oct1985 148.20 1
35    Oct1983 149.02 1
36    Oct1979 150.02 1
37    Oct1982 150.92 1
38    Oct1981 153.49 1
39    Oct1980 155.04 1
40    Oct1973 163.64 1
41    Oct1978 164.72 1
42    Oct1977 168.94 1
43    Oct1974 170.21 1
44    Oct1975 174.24 1
45    Oct1976 176.37 1
Oct Median = 119.29      45 month-years    

 1     Nov2008 83.32 1
 2     Nov2018 94.48 1
 3     Nov2017 95.60 1
 4     Nov2009 97.12 1
 5     Nov2015 97.12 1
 6     Nov2010 97.79 1
 7     Nov2014 98.44 1
 8     Nov2013 98.45 1
 9     Nov2012 98.97 1
10    Nov2007 98.99 1
11    Nov2011 99.56 1
12    Nov2005 100.69 1
13    Nov2006 100.69 1
14    Nov2004 102.69 1
15    Nov2003 105.27 1
16    Nov2001 109.40 1
17    Nov2000 111.92 1
18    Nov1999 113.42 1
19    Nov1998 113.51 1
20    Nov1997 115.02 1
21    Nov1996 117.18 1
22    Nov2002 118.36 1
23    Nov1995 119.17 1
24    Nov1994 121.61 1
25    Nov1993 125.16 1
26    Nov1992 129.43 1
27    Nov1991 134.18 1
28    Nov1990 138.88 1
29    Nov1989 142.84 1
30    Nov1988 143.33 1
31    Nov1987 146.27 1
32    Nov1986 147.27 1
33    Nov1984 147.87 1
34    Nov1985 147.92 1
35    Nov1983 148.87 1
36    Nov1979 149.64 1
37    Nov1982 150.13 1
38    Nov1981 153.17 1
39    Nov1980 154.97 1
40    Nov1973 164 1
41    Nov1978 166.56 1
42    Nov1977 169.21 1
43    Nov1974 170.78 1
44    Nov1975 174.19 1
45    Nov1976 178.52 1
Nov Median = 119.17      45 month-years    

 1     Dec2008 87.65 1
 2     Dec2018 94.45 1
 3     Dec2017 95.80 1
 4     Dec2016 97.13 1
 5     Dec2015 97.43 1
 6     Dec2014 97.76 1
 7     Dec2009 97.77 1
 8     Dec2010 97.79 1
 9     Dec2013 98.42 1
10    Dec2007 98.72 1
11    Dec2012 99.24 1
12    Dec2011 99.61 2
13    Dec2006 100.92 1
14    Dec2005 101.45 1
15    Dec2004 102.44 1
16    Dec2003 105.31 1
17    Dec2002 107.29 1
18    Dec2001 108.93 1
19    Dec2000 111.73 1
20    Dec1999 113.05 1
21    Dec1998 113.43 1
22    Dec1997 114.96 1
23    Dec1996 117.00 1
24    Dec1995 119.06 1
25    Dec1994 121.50 2
26    Dec1993 125.70 2
27    Dec1992 128.90 2
28    Dec1991 135.86 1
29    Dec1990 138.45 1
30    Dec1989 141.88 1
31    Dec1988 143.17 1
32    Dec1987 145.62 1
33    Dec1985 146.61 2
34    Dec1986 146.76 1
35    Dec1984 147.22 1
36    Dec1983 148.09 1
37    Dec1979 148.84 1
38    Dec1982 149.90 1
39    Dec1981 152.78 1
40    Dec1980 154.73 1
41    Dec1973 164.53 1
42    Dec1978 167.23 1
43    Dec1977 168.62 1
44    Dec1974 171.60 1
45    Dec1975 174.69 1
46    Dec1976 178.73 1
Dec Median = 118.0      46 month-years    

Source: (dbo.sp_MonthYearStats20100317a) - SPC - 1 - lev_va - Comp date: 3/10/2019 8:55:43 AM - Ver: 05-47-0009
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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.
  • 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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