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Period of Record Monthly Statistics for 311531092263701 - R-1142
Annual monthly statistics of approved data for all data types.
Report date: 3/24/2019 10:33:58 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     Jan1983 1.30 1
 2     Jan1998 4.85 1
 3     Jan1997 5.15 1
 4     Jan1985 5.40 1
 5     Jan1987 5.4 1
 6     Jan1986 5.7 1
 7     Jan1980 6.10 1
 8     Jan1984 6.20 1
 9     Jan1993 6.20 1
10    Jan1988 6.70 1
11    Jan1999 7.48 1
12    Jan1994 8.40 1
13    Jan1991 8.75 1
14    Jan1990 9.90 1
15    Jan1979 10.30 1
16    Jan1981 11.40 1
17    Jan1982 12.70 1
Jan Median = 6.2      17 month-years    

 1     Feb1983 3.80 1
 2     Feb1992 4.10 1
 3     Feb1980 4.20 1
 4     Feb1985 4.30 1
 5     Feb1990 4.60 1
 6     Feb1987 5.2 1
 7     Feb1993 5.20 1
 8     Feb1978 5.40 1
 9     Feb1984 5.50 1
10    Feb1988 5.60 1
11    Feb1991 5.65 1
12    Feb1989 6.15 1
13    Feb1994 6.50 1
14    Feb1979 7.40 1
15    Feb1982 10.50 1
16    Feb1981 10.70 1
17    Feb2000 12.00 1
Feb Median = 5.5      17 month-years    

 1     Mar1985 3.70 1
 2     Mar1987 3.8 1
 3     Mar1983 3.90 1
 4     Mar1991 3.95 1
 5     Mar1990 4.00 1
 6     Mar1984 4.10 1
 7     Mar1979 4.30 1
 8     Mar1992 4.48 2
 9     Mar1980 4.60 2
10    Mar1988 4.85 1
11    Mar1994 5.40 1
12    Mar1993 5.50 1
13    Mar1986 6.3 1
14    Mar1982 9.80 1
15    Mar1981 10.50 1
Mar Median = 4.48      15 month-years    

 1     Apr1983 3.60 1
 2     Apr1980 3.70 1
 3     Apr1988 3.75 1
 4     Apr1997 4.38 1
 5     Apr1990 4.50 1
 6     Apr1993 4.55 1
 7     Apr1979 4.60 1
 8     Apr1984 4.60 1
 9     Apr1995 4.65 1
10    Apr1991 4.80 1
11    Apr1987 4.84 1
12    Apr1985 4.90 1
13    Apr1996 4.90 1
14    Apr1999 5.15 1
15    Apr1998 5.65 1
16    Apr1994 5.90 1
17    Apr1986 6.7 1
18    Apr1978 7.10 1
19    Apr1981 9.10 1
20    Apr1982 9.30 1
21    Apr2000 10.25 1
Apr Median = 4.84      21 month-years    

 1     May1993 2.05 1
 2     May1991 2.15 2
 3     May1983 3.80 1
 4     May1979 4.10 1
 5     May1980 4.70 1
 6     May1989 4.85 1
 7     May1990 5.83 2
 8     May1992 5.85 1
 9     May1994 6.30 1
10    May1984 6.40 1
11    May1985 6.60 1
12    May1987 6.80 1
13    May1986 7.6 1
14    May1978 7.64 2
15    May1982 8.10 1
16    May1981 10.20 1
May Median = 6.1      16 month-years    

 1     Jun1994 5.30 1
 2     Jun1983 5.60 1
 3     Jun1993 5.85 1
 4     Jun1979 6.00 1
 5     Jun1980 6.00 1
 6     Jun1984 6.60 1
 7     Jun1992 6.70 1
 8     Jun1985 7.80 1
 9     Jun1988 8.10 1
10    Jun1982 8.20 1
11    Jun1986 8.2 1
12    Jun1978 8.60 1
13    Jun1981 9.90 1
Jun Median = 6.7      13 month-years    

 1     Jul1989 4.23 2
 2     Jul1991 5.95 2
 3     Jul1980 6.10 1
 4     Jul1993 7.15 1
 5     Jul1992 7.20 1
 6     Jul1997 7.37 1
 7     Jul1996 7.57 1
 8     Jul1979 7.70 1
 9     Jul1994 7.75 1
10    Jul1986 7.8 1
11    Jul1987 8.00 1
12    Jul1990 8.45 2
13    Jul1983 8.80 1
14    Jul1985 9.00 1
15    Jul1984 9.10 1
16    Jul1999 9.38 1
17    Jul1978 9.40 2
18    Jul1988 9.45 1
19    Jul1981 9.70 1
20    Jul1982 9.90 1
21    Jul1998 10.12 1
Jul Median = 8.0      21 month-years    

 1     Aug1981 7.60 1
 2     Aug1992 7.80 1
 3     Aug1979 8.40 1
 4     Aug1993 8.55 1
 5     Aug1994 8.60 1
 6     Aug1995 8.60 1
 7     Aug1983 9.00 1
 8     Aug1984 9.10 1
 9     Aug1986 9.5 1
10    Aug2013 9.84 1
11    Aug1980 10.10 1
12    Aug1988 10.20 1
13    Aug1985 10.40 1
14    Aug1978 10.80 1
15    Aug1982 10.80 1
Aug Median = 9.1      15 month-years    

 1     Sep1989 7.80 1
 2     Sep1991 8.10 1
 3     Sep1992 8.95 1
 4     Sep1994 9.30 1
 5     Sep1979 9.40 1
 6     Sep1984 9.80 1
 7     Sep1993 10.00 1
 8     Sep2018 10.23 1
 9     Sep1985 10.40 1
10    Sep1988 10.50 1
11    Sep1986 10.6 1
12    Sep1990 10.65 1
13    Sep1983 10.90 1
14    Sep1978 11.10 1
15    Sep1982 11.60 1
16    Sep1980 12.00 1
17    Sep1981 12.00 1
Sep Median = 10.4      17 month-years    

 1     Oct1983 7.00 1
 2     Oct1979 8.60 1
 3     Oct1991 8.60 1
 4     Oct1989 9.10 1
 5     Oct1996 9.23 1
 6     Oct1992 9.40 1
 7     Oct1984 10.00 1
 8     Oct1997 10.37 1
 9     Oct1985 10.80 1
10    Oct1993 11.00 1
11    Oct1986 11.1 1
12    Oct1987 11.15 2
13    Oct1998 11.21 1
14    Oct1990 11.35 2
15    Oct1982 11.40 1
16    Oct1978 11.90 1
17    Oct1999 12.05 1
18    Oct1980 12.30 1
19    Oct1981 12.90 1
Oct Median = 11.0      19 month-years    

 1     Nov1983 6.40 1
 2     Nov1984 6.50 1
 3     Nov1985 6.60 1
 4     Nov1991 8.50 1
 5     Nov1979 9.00 1
 6     Nov1987 9.25 1
 7     Nov1992 9.75 1
 8     Nov1989 10.25 1
 9     Nov1986 10.7 1
10    Nov1982 11.20 1
11    Nov1993 11.40 1
12    Nov1980 12.10 1
13    Nov1978 12.20 1
14    Nov1981 12.60 1
Nov Median = 10.00      14 month-years    

 1     Dec1983 4.50 1
 2     Dec1984 5.10 1
 3     Dec1991 5.98 2
 4     Dec1985 6.00 1
 5     Dec1982 6.80 1
 6     Dec1986 8.0 1
 7     Dec1992 8.20 1
 8     Dec1994 8.35 1
 9     Dec1993 9.90 1
10    Dec1989 10.30 1
11    Dec1988 11.20 1
12    Dec1980 11.50 1
13    Dec1978 11.60 1
14    Dec1981 13.00 1
15    Dec1990 13.50 1
Dec Median = 8.35      15 month-years    

Source: (dbo.sp_MonthYearStats20100317a) - SPC - 1 - lev_va - Comp date: 3/24/2019 10:34:16 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.
  • 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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