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Period of Record Monthly Statistics for 300035091443301 - I-93
Annual monthly statistics of approved data for all data types.
Report date: 11/4/2018 1:59:43 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     Jan1965 17.01 1
 2     Jan1966 17.02 1
 3     Jan1998 17.28 1
 4     Jan1967 17.40 2
 5     Jan1975 17.45 1
 6     Jan1997 17.45 1
 7     Jan1976 18.22 1
 8     Jan1968 18.28 2
 9     Jan1978 18.30 1
10    Jan1969 18.64 1
11    Jan1999 18.68 1
12    Jan2005 18.76 1
13    Jan1970 18.79 1
14    Jan1990 18.87 1
15    Jan1971 19.20 1
16    Jan2003 19.55 1
17    Jan1972 19.59 1
18    Jan2004 19.66 1
19    Jan1977 19.72 1
20    Jan1979 19.77 1
21    Jan2014 20.18 32
22    Jan2002 20.31 1
23    Jan2015 20.55 32
24    Jan2000 21.17 1
25    Jan2001 22.71 1
Jan Median = 18.79      25 month-years    

 1     Feb1974 15.29 1
 2     Feb1966 15.91 1
 3     Feb1965 16.68 2
 4     Feb1975 16.70 1
 5     Feb1993 16.71 1
 6     Feb1967 16.83 1
 7     Feb1995 17.20 1
 8     Feb1968 17.23 1
 9     Feb1978 17.27 2
10    Feb1991 17.60 1
11    Feb1979 17.65 1
12    Feb1972 17.74 1
13    Feb1976 17.88 1
14    Feb1992 17.93 1
15    Feb1996 18.06 1
16    Feb1969 18.12 1
17    Feb1970 18.31 2
18    Feb1971 18.33 2
19    Feb1977 19.15 1
20    Feb2007 19.63 1
21    Feb2014 19.79 28
22    Feb1981 19.88 1
23    Feb2015 20.04 29
24    Feb2008 20.12 1
25    Feb2006 20.71 1
Feb Median = 17.88      25 month-years    

 1     Mar1974 15.59 1
 2     Mar1965 15.73 1
 3     Mar1966 15.82 3
 4     Mar1998 16.22 1
 5     Mar1975 16.35 2
 6     Mar1990 16.48 1
 7     Mar1997 16.49 1
 8     Mar1969 16.77 3
 9     Mar1991 16.77 1
10    Mar1985 16.80 1
11    Mar1967 16.95 1
12    Mar1979 16.97 1
13    Mar1972 17.05 1
14    Mar2010 17.07 1
15    Mar1968 17.19 2
16    Mar1978 17.30 1
17    Mar1983 17.31 1
18    Mar2005 17.31 1
19    Mar1970 17.80 1
20    Mar1976 17.81 1
21    Mar1996 17.89 1
22    Mar1994 18.02 1
23    Mar2004 18.02 1
24    Mar1971 18.08 2
25    Mar1980 18.27 1
26    Mar2003 18.42 1
27    Mar2013 18.95 1
28    Mar1977 18.96 1
29    Mar2008 19.32 1
30    Mar2011 19.32 1
31    Mar2014 19.47 31
32    Mar2015 19.54 31
33    Mar2002 19.59 1
34    Mar2012 19.68 1
35    Mar1981 20.03 1
36    Mar2009 20.07 2
37    Mar2006 20.36 1
38    Mar2000 21.05 1
39    Mar2001 21.07 1
Mar Median = 17.81      39 month-years    

 1     Apr1997 15.37 1
 2     Apr1974 15.43 1
 3     Apr1965 15.70 1
 4     Apr1966 15.91 1
 5     Apr1975 15.94 1
 6     Apr1995 16.01 1
 7     Apr1993 16.15 1
 8     Apr1979 16.16 1
 9     Apr1973 16.19 2
10    Apr1969 16.25 1
11    Apr1992 16.43 1
12    Apr1990 16.48 1
13    Apr1998 16.50 1
14    Apr1967 16.85 2
15    Apr1978 16.87 1
16    Apr1968 17.02 1
17    Apr1991 17.10 2
18    Apr2010 17.51 1
19    Apr1970 17.58 1
20    Apr2005 17.65 1
21    Apr2004 18.04 1
22    Apr2003 18.35 1
23    Apr1999 18.58 1
24    Apr2013 18.76 1
25    Apr1971 18.86 1
26    Apr2015 18.88 30
27    Apr2008 18.93 1
28    Apr2014 19.29 32
29    Apr2007 19.58 1
30    Apr2001 20.50 1
31    Apr2006 20.93 1
Apr Median = 17.02      31 month-years    

 1     May1966 15.83 1
 2     May1979 16.00 1
 3     May1978 17.04 1
 4     May1993 17.33 1
 5     May1994 17.41 1
 6     May1968 17.62 1
 7     May1970 18.06 1
 8     May2015 18.22 32
 9     May1972 18.38 1
10    May1977 19.00 1
11    May2009 19.10 1
12    May1982 19.35 1
13    May2014 19.35 31
14    May2002 19.52 1
May Median = 18.14      14 month-years    

 1     Jun1975 16.02 2
 2     Jun1973 16.36 1
 3     Jun1969 16.37 1
 4     Jun1966 16.49 1
 5     Jun1979 16.79 1
 6     Jun1978 17.00 1
 7     Jun1965 17.20 1
 8     Jun1967 17.56 1
 9     Jun2015 17.66 30
10    Jun1968 18.01 1
11    Jun1970 18.64 1
12    Jun2014 19.05 30
13    Jun1972 19.06 1
14    Jun1977 19.38 1
15    Jun2002 19.66 1
16    Jun1971 19.87 1
17    Jun2001 20.2 1
18    Jun2000 22.14 1
Jun Median = 17.84      18 month-years    

 1     Jul1991 15.48 1
 2     Jul1997 15.70 1
 3     Jul1995 16.42 1
 4     Jul1966 16.86 1
 5     Jul2004 17.03 1
 6     Jul2010 17.32 1
 7     Jul1990 17.38 1
 8     Jul1979 17.46 1
 9     Jul1970 17.75 1
10    Jul2015 17.76 31
11    Jul1965 17.77 1
12    Jul1978 17.77 1
13    Jul1967 17.82 1
14    Jul1969 17.98 1
15    Jul1973 17.98 1
16    Jul2003 18.15 1
17    Jul2013 18.21 1
18    Jul1998 18.28 1
19    Jul1999 18.74 1
20    Jul1968 18.78 1
21    Jul2005 18.85 1
22    Jul2014 18.91 32
23    Jul2007 19.41 1
24    Jul2002 19.54 1
25    Jul1977 19.87 1
26    Jul1971 20.49 1
27    Jul2006 20.85 1
Jul Median = 17.98      27 month-years    

 1     Aug1975 15.82 1
 2     Aug1966 16.20 1
 3     Aug1967 17.10 1
 4     Aug1983 17.32 1
 5     Aug1979 17.51 1
 6     Aug1978 17.65 1
 7     Aug1965 17.67 2
 8     Aug1996 18.14 1
 9     Aug2015 18.14 32
10    Aug1973 18.22 1
11    Aug2014 18.84 32
12    Aug1972 19.19 1
13    Aug1977 19.26 1
14    Aug1971 19.48 1
15    Aug2008 19.50 1
16    Aug2009 19.61 1
17    Aug2012 19.97 1
Aug Median = 18.14      17 month-years    

 1     Sep1975 16.15 1
 2     Sep1966 16.30 2
 3     Sep1992 16.69 1
 4     Sep1973 17.13 1
 5     Sep1965 17.14 1
 6     Sep1978 17.39 1
 7     Sep1995 17.42 1
 8     Sep1967 17.70 1
 9     Sep1969 17.89 1
10    Sep1989 17.94 1
11    Sep1996 18.05 1
12    Sep1990 18.21 1
13    Sep1968 18.33 1
14    Sep2010 18.46 1
15    Sep2015 18.46 30
16    Sep2004 18.54 1
17    Sep2003 18.55 1
18    Sep1977 18.58 1
19    Sep2008 18.69 1
20    Sep2014 18.79 30
21    Sep1970 18.80 1
22    Sep2001 19.33 1
23    Sep2002 19.37 1
24    Sep2007 19.40 1
25    Sep1999 19.65 1
26    Sep2012 19.65 1
27    Sep2011 20.03 1
28    Sep2000 22.34 1
Sep Median = 18.46      28 month-years    

 1     Oct1993 16.21 1
 2     Oct1969 17.03 1
 3     Oct1966 17.15 1
 4     Oct1974 17.26 1
 5     Oct1996 17.66 1
 6     Oct1968 17.72 1
 7     Oct1975 17.81 1
 8     Oct1965 17.89 2
 9     Oct1997 18.39 1
10    Oct1991 18.53 1
11    Oct1967 18.68 1
12    Oct1970 18.72 2
13    Oct1978 18.80 1
14    Oct1990 18.84 1
15    Oct1995 18.84 1
16    Oct1971 19.23 1
17    Oct2003 19.40 1
18    Oct1998 19.51 1
19    Oct2015 19.53 20
20    Oct1989 19.57 1
21    Oct2014 19.62 32
22    Oct2004 19.68 1
23    Oct2002 19.81 1
24    Oct1977 19.84 1
25    Oct2001 20.22 1
26    Oct2007 20.56 1
27    Oct2005 20.67 1
28    Oct1999 20.78 1
29    Oct2006 21.65 1
30    Oct2000 23.19 1
Oct Median = 19.04      30 month-years    

 1     Nov1991 16.51 1
 2     Nov1973 17.77 1
 3     Nov1992 18.06 2
 4     Nov1965 19.01 1
 5     Nov2009 19.17 1
 6     Nov1967 19.54 1
 7     Nov1970 19.70 1
 8     Nov1989 19.71 1
 9     Nov1968 20.04 1
10    Nov1969 20.06 1
11    Nov1978 20.07 1
12    Nov2013 20.36 27
13    Nov2014 20.46 30
14    Nov2008 20.56 1
15    Nov1971 21.09 1
16    Nov1974 22.11 1
Nov Median = 19.88      16 month-years    

 1     Dec1993 14.55 1
 2     Dec1966 18.39 1
 3     Dec1965 18.99 2
 4     Dec1975 19.13 1
 5     Dec1977 19.22 1
 6     Dec1974 19.24 1
 7     Dec1978 20.08 1
 8     Dec2013 20.47 31
 9     Dec1976 20.70 1
10    Dec2014 20.72 31
Dec Median = 19.23      10 month-years    

Source: (dbo.sp_MonthYearStats20100317a) - SPC - 1 - lev_va - Comp date: 11/4/2018 1:00:08 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.
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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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