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Period of Record Monthly Statistics for 302930091101501 - EB-155
Annual monthly statistics of approved data for all data types.
Report date: 1/25/2018 9:02:52 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     Jan2005 53.77 1
 2     Jan2007 54.64 1
 3     Jan1991 63.64 2
 4     Jan2004 63.89 1
 5     Jan1989 64.44 6
 6     Jan1993 68.30 7
 7     Jan1992 68.65 6
 8     Jan1990 68.87 6
 9     Jan1998 71.82 7
10    Jan1987 72.37 7
11    Jan1988 74.88 7
12    Jan1994 74.98 7
13    Jan1995 78.80 6
14    Jan1996 79.54 6
15    Jan1999 79.54 1
16    Jan2002 80.18 1
17    Jan2001 80.3 1
18    Jan1997 82.35 7
19    Jan1974 83.70 6
20    Jan1986 86.21 8
21    Jan1975 89.96 6
22    Jan1979 90.04 7
23    Jan1981 90.27 6
24    Jan1978 90.47 8
25    Jan1985 90.97 7
26    Jan1982 91.35 7
27    Jan1976 91.78 7
28    Jan1984 94.23 6
29    Jan1973 94.55 6
30    Jan1983 100.17 7
31    Jan1967 104.05 7
32    Jan1980 105.19 6
33    Jan1977 107.37 5
34    Jan1972 117.64 7
35    Jan1968 117.82 7
36    Jan1971 121.76 6
37    Jan1964 123.76 5
38    Jan1965 126.06 7
39    Jan1966 129.59 7
40    Jan1969 147.92 7
41    Jan1970 148.10 7
Jan Median = 89.96      41 month-years    

 1     Feb2012 52.17 1
 2     Feb2008 53.89 1
 3     Feb2009 54.54 1
 4     Feb2006 58.10 1
 5     Feb1990 60.88 6
 6     Feb1991 62.13 1
 7     Feb1989 65.33 6
 8     Feb1995 66.84 7
 9     Feb1993 67.41 6
10    Feb2003 69.83 1
11    Feb1992 69.91 6
12    Feb1998 72.05 6
13    Feb2001 73.79 1
14    Feb1987 74.29 6
15    Feb1994 74.65 6
16    Feb1999 76.40 1
17    Feb1988 76.72 7
18    Feb1975 79.29 7
19    Feb1997 80.38 6
20    Feb1996 81.89 7
21    Feb1985 82.66 7
22    Feb1973 82.86 7
23    Feb1986 82.95 6
24    Feb1982 83.08 6
25    Feb1979 84.70 6
26    Feb1984 86.47 6
27    Feb1981 88.48 7
28    Feb1978 91.23 6
29    Feb1976 91.42 7
30    Feb1974 91.78 7
31    Feb1983 96.66 7
32    Feb1967 107.52 7
33    Feb1972 110.88 7
34    Feb1980 112.18 7
35    Feb1977 113.23 7
36    Feb1964 115.50 6
37    Feb1971 116.51 6
38    Feb1968 118.78 7
39    Feb1965 121.80 7
40    Feb1966 130.34 6
41    Feb1970 138.78 4
42    Feb1969 144.87 6
Feb Median = 82.76      42 month-years    

 1     Mar2010 50.59 1
 2     Mar2015 55.83 1
 3     Mar2005 56.22 1
 4     Mar2013 57.83 1
 5     Mar1990 58.67 6
 6     Mar2014 59.05 1
 7     Mar1989 60.12 6
 8     Mar1991 62.06 5
 9     Mar1995 62.57 6
10    Mar1992 67.27 7
11    Mar1987 69.75 7
12    Mar1999 70.54 1
13    Mar1994 71.11 6
14    Mar1981 71.69 6
15    Mar1993 71.75 7
16    Mar1996 74.41 7
17    Mar1998 75.05 7
18    Mar1988 75.39 7
19    Mar1997 75.76 7
20    Mar1973 77.61 7
21    Mar1985 78.56 6
22    Mar1975 79.98 7
23    Mar1982 81.71 7
24    Mar1986 83.43 7
25    Mar1984 83.47 7
26    Mar1976 84.43 7
27    Mar1983 87.83 7
28    Mar1979 91.09 8
29    Mar1978 91.50 6
30    Mar1974 91.52 6
31    Mar1972 100.36 4
32    Mar1971 109.72 7
33    Mar1980 110.49 7
34    Mar1964 112.63 6
35    Mar1968 119.15 3
36    Mar1965 121.44 7
37    Mar1967 121.85 4
38    Mar1977 122.03 6
39    Mar1966 128.23 8
40    Mar1970 139.06 6
41    Mar1969 142.73 7
Mar Median = 78.56      41 month-years    

 1     Apr2008 50.62 1
 2     Apr2011 52.29 1
 3     Apr2006 56.98 1
 4     Apr2013 57.44 1
 5     Apr1989 58.83 8
 6     Apr1991 60.88 6
 7     Apr2004 61.17 1
 8     Apr1990 64.36 7
 9     Apr1992 66.39 7
10    Apr1995 67.74 7
11    Apr2003 68.78 1
12    Apr1981 70.94 7
13    Apr1993 71.08 6
14    Apr1994 71.32 8
15    Apr1988 71.50 7
16    Apr1987 72.35 8
17    Apr1973 75.10 6
18    Apr1975 75.55 6
19    Apr1985 75.84 8
20    Apr1986 77.79 6
21    Apr1984 78.02 7
22    Apr1998 79.19 7
23    Apr1976 79.32 7
24    Apr1996 79.52 7
25    Apr1997 80.42 6
26    Apr1999 81.81 1
27    Apr1978 87.41 7
28    Apr1983 90.67 6
29    Apr1982 91.14 7
30    Apr1979 92.91 6
31    Apr1974 94.85 6
32    Apr1980 101.84 6
33    Apr1972 103.21 8
34    Apr1971 107.45 6
35    Apr1964 109.76 6
36    Apr1968 115.45 5
37    Apr1967 119.92 1
38    Apr1965 124.10 7
39    Apr1977 132.16 6
40    Apr1966 132.69 7
41    Apr1970 134.81 7
42    Apr1969 144.79 6
Apr Median = 78.61      42 month-years    

 1     May2007 52.03 1
 2     May2014 55.45 1
 3     May1991 57.82 6
 4     May2009 59.02 1
 5     May1989 59.27 6
 6     May1992 63.75 6
 7     May1990 64.10 7
 8     May2012 64.39 1
 9     May1993 70.48 7
10    May1994 71.14 6
11    May1981 72.78 6
12    May2001 73.0 1
13    May1995 73.39 6
14    May1987 74.90 7
15    May1986 75.35 7
16    May1996 76.55 6
17    May1973 76.97 5
18    May1988 77.86 8
19    May2002 79.89 1
20    May1975 79.91 8
21    May1985 81.36 6
22    May1984 81.97 7
23    May1997 82.01 7
24    May1976 82.32 6
25    May1998 82.64 7
26    May1999 82.93 1
27    May1982 84.33 6
28    May1983 86.07 7
29    May1978 87.34 7
30    May1974 91.82 6
31    May1980 95.32 7
32    May1979 96.41 7
33    May1972 99.90 6
34    May1971 103.01 6
35    May1967 123.90 2
36    May1970 124.10 6
37    May1968 124.30 7
38    May1965 127.37 7
39    May1964 131.03 6
40    May1977 132.27 7
41    May1966 133.26 6
42    May1969 147.72 6
May Median = 81.67      42 month-years    

 1     Jun2015 50.10 1
 2     Jun2010 52.25 1
 3     Jun1990 60.18 7
 4     Jun1989 61.91 6
 5     Jun1991 63.22 6
 6     Jun1992 64.07 8
 7     Jun1994 69.08 7
 8     Jun1987 69.37 7
 9     Jun1993 73.22 6
10    Jun1986 73.45 7
11    Jun1981 75.55 6
12    Jun1988 76.62 6
13    Jun1984 77.69 6
14    Jun1995 82.46 7
15    Jun2001 82.6 2
16    Jun1985 82.86 7
17    Jun1997 83.45 7
18    Jun1996 84.29 7
19    Jun1983 85.01 7
20    Jun1998 85.03 7
21    Jun1982 85.14 7
22    Jun1976 85.81 7
23    Jun1975 90.71 8
24    Jun1980 91.98 7
25    Jun1973 94.16 6
26    Jun1974 98.94 7
27    Jun1978 100.28 7
28    Jun1979 102.03 7
29    Jun1972 119.21 8
30    Jun1967 123.60 1
31    Jun1971 125.09 7
32    Jun1977 126.87 7
33    Jun1970 141.49 6
34    Jun1965 144.64 3
35    Jun1964 152.42 5
36    Jun1966 157.69 7
37    Jun1968 166.28 7
38    Jun1963 169.93 4
39    Jun1969 171.75 6
Jun Median = 85.03      39 month-years    

 1     Jul2015 48.86 1
 2     Jul1990 58.64 6
 3     Jul1989 59.21 7
 4     Jul2013 59.35 1
 5     Jul2004 60.25 1
 6     Jul2006 60.34 1
 7     Jul2005 63.59 1
 8     Jul1991 65.32 7
 9     Jul2003 66.25 1
10    Jul1994 68.93 6
11    Jul2009 69.31 1
12    Jul1988 70.06 7
13    Jul1987 70.09 7
14    Jul1992 70.25 6
15    Jul1993 73.65 7
16    Jul1986 75.51 7
17    Jul2001 76.7 1
18    Jul1981 76.98 7
19    Jul1983 79.00 6
20    Jul1995 81.02 6
21    Jul2002 81.91 1
22    Jul1997 83.83 6
23    Jul1998 84.31 6
24    Jul1984 84.53 6
25    Jul1982 86.73 7
26    Jul1985 87.49 7
27    Jul1996 87.61 4
28    Jul1980 96.60 6
29    Jul1975 97.59 6
30    Jul1976 99.92 7
31    Jul1973 102.87 6
32    Jul1974 112.68 6
33    Jul1979 113.86 6
34    Jul1978 115.51 8
35    Jul1972 126.22 6
36    Jul1971 130.04 7
37    Jul1977 132.74 7
38    Jul1970 148.78 8
39    Jul1965 155.41 6
40    Jul1967 159.26 1
41    Jul1964 160.74 5
42    Jul1966 168.83 7
43    Jul1968 174.68 7
44    Jul1963 175.55 6
45    Jul1969 175.61 7
Jul Median = 84.31      45 month-years    

 1     Aug2008 52.90 1
 2     Aug2010 53.16 1
 3     Aug2011 53.71 1
 4     Aug2007 55.32 1
 5     Aug1989 60.25 6
 6     Aug1990 64.42 6
 7     Aug1991 69.47 6
 8     Aug1988 70.31 8
 9     Aug1992 71.04 6
10    Aug1994 71.62 6
11    Aug1987 74.98 7
12    Aug1986 75.61 7
13    Aug1993 79.70 6
14    Aug1983 82.21 6
15    Aug1995 85.22 7
16    Aug1985 85.90 6
17    Aug1997 86.24 6
18    Aug1998 87.63 6
19    Aug1984 91.18 7
20    Aug1981 93.57 4
21    Aug1975 100.47 7
22    Aug1982 103.05 7
23    Aug1980 105.81 7
24    Aug1973 111.77 6
25    Aug1979 118.40 7
26    Aug1977 119.47 6
27    Aug1978 119.71 7
28    Aug1974 123.92 7
29    Aug1971 128.63 6
30    Aug1972 129.47 7
31    Aug1976 130.18 7
32    Aug1970 153.38 6
33    Aug1965 158.61 7
34    Aug1964 164.23 6
35    Aug1963 172.55 7
36    Aug1967 174.92 3
37    Aug1966 174.98 6
38    Aug1969 176.17 6
39    Aug1968 176.46 7
Aug Median = 93.57      39 month-years    

 1     Sep2015 55.03 1
 2     Sep2014 59.03 1
 3     Sep1990 64.22 6
 4     Sep1989 65.08 6
 5     Sep1991 67.37 6
 6     Sep1992 76.13 6
 7     Sep1988 76.39 6
 8     Sep1987 78.65 7
 9     Sep1986 79.24 7
10    Sep1994 81.03 7
11    Sep1993 81.24 6
12    Sep1983 85.49 7
13    Sep1985 86.76 7
14    Sep1996 87.87 5
15    Sep1995 89.01 6
16    Sep1997 89.51 6
17    Sep1998 90.45 6
18    Sep1982 91.26 6
19    Sep1984 98.02 7
20    Sep1975 104.90 6
21    Sep1980 106.78 6
22    Sep1981 108.96 6
23    Sep1973 112.72 6
24    Sep1974 114.25 6
25    Sep1977 120.67 6
26    Sep1979 122.27 7
27    Sep1978 123.46 6
28    Sep1976 137.91 7
29    Sep1972 139.67 4
30    Sep1971 144.00 6
31    Sep1970 151.08 7
32    Sep1965 159.64 7
33    Sep1964 175.57 3
34    Sep1963 175.68 6
35    Sep1967 175.98 7
36    Sep1966 176.76 5
37    Sep1969 177.33 6
Sep Median = 98.02      37 month-years    

 1     Oct2008 55.86 1
 2     Oct2005 57.19 1
 3     Oct2007 57.83 1
 4     Oct2006 63.07 1
 5     Oct1990 63.42 7
 6     Oct1989 63.70 6
 7     Oct2004 63.76 1
 8     Oct2003 67.79 1
 9     Oct1993 68.64 6
10    Oct1991 70.09 7
11    Oct2002 74.21 1
12    Oct1988 74.68 6
13    Oct1992 76.28 6
14    Oct2001 76.31 2
15    Oct1987 77.99 7
16    Oct1994 81.02 7
17    Oct1986 81.17 6
18    Oct1995 82.52 6
19    Oct1985 83.80 7
20    Oct1997 84.99 7
21    Oct1983 88.59 6
22    Oct1998 90.46 4
23    Oct1996 92.17 10
24    Oct1982 95.11 7
25    Oct1984 96.26 7
26    Oct1975 102.79 7
27    Oct1980 106.99 8
28    Oct1973 107.72 7
29    Oct1974 111.37 7
30    Oct1978 114.97 7
31    Oct1979 116.29 7
32    Oct1981 116.64 7
33    Oct1971 134.66 6
34    Oct1976 136.31 6
35    Oct1977 142.41 7
36    Oct1970 151.46 8
37    Oct1965 158.87 6
38    Oct1967 162.01 6
39    Oct1964 169.68 1
40    Oct1966 171.30 6
41    Oct1963 173.23 6
42    Oct1969 177.73 7
43    Oct1968 182.44 7
Oct Median = 90.46      43 month-years    

 1     Nov2009 54.04 1
 2     Nov2015 57.06 1
 3     Nov2011 58.21 1
 4     Nov1989 62.93 7
 5     Nov2012 69.43 1
 6     Nov1991 71.01 6
 7     Nov1993 72.74 6
 8     Nov1990 74.14 6
 9     Nov1995 74.28 6
10    Nov1992 76.60 6
11    Nov1997 77.10 6
12    Nov1994 78.36 7
13    Nov1987 80.17 6
14    Nov1998 81.10 7
15    Nov1986 81.17 8
16    Nov1985 83.72 7
17    Nov1983 87.96 7
18    Nov1984 88.24 7
19    Nov1996 91.33 6
20    Nov1975 97.77 6
21    Nov1982 98.11 7
22    Nov1979 106.09 7
23    Nov1980 106.36 6
24    Nov1978 106.55 7
25    Nov1974 107.46 4
26    Nov1973 108.06 7
27    Nov1981 108.23 7
28    Nov1972 115.94 3
29    Nov1970 123.88 6
30    Nov1977 126.00 7
31    Nov1976 126.47 7
32    Nov1971 128.79 7
33    Nov1964 130.93 4
34    Nov1967 131.25 1
35    Nov1966 131.39 8
36    Nov1965 139.39 7
37    Nov1963 142.67 5
38    Nov1968 155.71 7
39    Nov1969 156.88 8
Nov Median = 97.77      39 month-years    

 1     Dec2014 57.90 1
 2     Dec1989 63.52 7
 3     Dec2013 64.62 1
 4     Dec2010 66.12 1
 5     Dec1988 66.49 7
 6     Dec1997 70.02 7
 7     Dec1993 74.05 6
 8     Dec1986 75.30 8
 9     Dec1987 76.91 7
10    Dec1994 78.03 6
11    Dec1991 78.39 2
12    Dec1992 78.91 6
13    Dec1985 80.10 7
14    Dec1998 80.29 7
15    Dec1995 80.60 7
16    Dec1999 81.07 1
17    Dec1990 82.13 7
18    Dec1983 85.15 7
19    Dec1984 86.64 6
20    Dec1996 87.38 7
21    Dec1973 91.97 7
22    Dec1975 92.02 7
23    Dec1974 94.21 6
24    Dec1978 95.59 7
25    Dec1980 97.90 6
26    Dec1979 98.74 6
27    Dec1981 98.77 7
28    Dec1982 99.50 6
29    Dec1977 107.63 6
30    Dec1972 109.31 7
31    Dec1966 109.79 6
32    Dec1971 112.48 7
33    Dec1976 112.52 7
34    Dec1964 118.04 7
35    Dec1967 121.34 3
36    Dec1963 122.74 3
37    Dec1970 124.21 6
38    Dec1965 128.34 7
39    Dec1968 139.30 7
40    Dec1969 152.69 7
Dec Median = 89.68      40 month-years    

Source: (dbo.sp_MonthYearStats20100317a) - SPC - 1 - lev_va - Comp date: 1/25/2018 9:03:41 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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