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Period of Record Monthly Statistics for 413434086434701 - LA PORTE 12 (LP 12)
Annual monthly statistics of approved data for all data types.

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

Jan1991 15.15 31
Jan2020 16.69 31
Jan1994 17.12 32
Jan2019 17.61 31
Jan2018 17.78 31
Jan1992 17.85 31
Jan1993 17.88 31
Jan1983 17.98 1
Jan2017 18.13 3
Jan1982 18.50 1
Jan1997 18.90 31
Jan1986 19.02 31
Jan1998 19.23 31
Jan2021 19.70 31
Jan1985 19.83 24
Jan1995 19.84 32
Jan1984 20.04 1
Jan1987 20.30 32
Jan1999 20.86 31
Jan2002 21.00 1
Jan1996 21.12 32
Jan1988 21.65 32
Jan1989 21.84 32
Jan2000 22.27 32
Jan2003 22.36 31
Jan1990 22.76 31

Feb1991 15.40 29
Feb2020 15.99 30
Feb2018 17.24 29
Feb1994 17.37 28
Feb2019 17.45 29
Feb1993 17.55 29
Feb2017 17.94 28
Feb1992 18.26 30
Feb1997 18.53 29
Feb1998 18.66 28
Feb1986 18.92 28
Feb1995 19.70 28
Feb1985 19.71 28
Feb2021 20.10 29
Feb1984 20.40 1
Feb1987 20.56 28
Feb1999 20.84 28
Feb1989 21.24 28
Feb1988 21.26 30
Feb1996 21.37 29
Feb2000 22.62 29
Feb1990 22.66 29
Feb2003 22.80 29
Feb2001 23.06 19

Mar1981 12.00 1
Mar2018 14.48 31
Mar1991 15.31 31
Mar2020 16.24 31
Mar2019 17.12 31
Mar1997 17.21 31
Mar1994 17.24 32
Mar1982 17.56 2
Mar1993 17.78 32
Mar1985 17.86 32
Mar2017 17.86 31
Mar1992 18.01 32
Mar1983 18.26 1
Mar1986 18.52 32
Mar1998 18.59 31
Mar1995 19.71 31
Mar1984 20.16 1
Mar2021 20.30 31
Mar2002 20.52 1
Mar1987 20.75 32
Mar1999 20.83 31
Mar1988 21.05 32
Mar1989 21.40 32
Mar1996 21.62 32
Mar1990 21.95 32
Mar2001 21.98 32
Mar2000 22.85 32
Mar2003 23.18 31

Apr2018 15.16 30
Apr1991 15.46 31
Apr2020 16.42 30
Apr1993 16.75 30
Apr2017 16.87 30
Apr1998 16.90 30
Apr2019 16.94 30
Apr1983 17.19 1
Apr1997 17.19 31
Apr1994 17.42 31
Apr1985 17.52 30
Apr1992 17.56 30
Apr1986 18.30 30
Apr2016 18.71 1
Apr1995 19.48 30
Apr2021 20.29 30
Apr1999 20.61 30
Apr1988 20.77 30
Apr1987 20.90 31
Apr1990 21.08 31
Apr1989 21.45 31
Apr2001 21.65 30
Apr1996 21.79 30
Apr2000 22.95 30
Apr2003 23.48 31

May1991 15.44 32
May2018 15.59 31
May1983 15.66 1
May1982 15.79 1
May2019 15.81 31
May2020 16.09 31
May1993 16.17 32
May2017 16.19 31
May1998 16.67 32
May1985 17.46 32
May1997 17.47 31
May1994 17.68 31
May1992 17.75 32
May1986 18.61 31
May2002 19.22 1
May1995 19.25 32
May1999 19.36 31
May1988 20.10 32
May2021 20.40 31
May1990 20.78 31
May1987 21.08 31
May1989 21.26 31
May2001 21.55 32
May1996 21.66 32
May2000 22.64 32
May2003 23.53 31

Jun2019 14.94 31
Jun2020 14.94 31
Jun1991 15.45 30
Jun2018 15.74 31
Jun1993 15.80 30
Jun2017 16.12 31
Jun1982 16.18 2
Jun1998 17.04 30
Jun1997 17.74 19
Jun1985 18.04 31
Jun1994 18.09 31
Jun1992 18.34 31
Jun2002 18.64 1
Jun1984 18.69 1
Jun2016 18.89 1
Jun1986 19.00 31
Jun1995 19.38 31
Jun1990 19.50 31
Jun1999 19.50 31
Jun2021 20.44 31
Jun1988 20.58 30
Jun1987 20.86 31
Jun1996 20.86 30
Jun1989 20.96 31
Jun2001 21.51 30
Jun2000 22.50 30
Jun2003 23.23 31

Jul2019 15.08 31
Jul2020 15.78 31
Jul1993 15.89 32
Jul1991 16.24 32
Jul1983 16.48 1
Jul2018 16.52 31
Jul2017 16.61 31
Jul1998 17.53 32
Jul1997 17.79 1
Jul1994 18.08 31
Jul1985 18.79 31
Jul1992 18.86 31
Jul1996 19.20 32
Jul1986 19.26 10
Jul1990 19.65 31
Jul1995 19.66 31
Jul2021 19.74 31
Jul1999 19.78 31
Jul1989 21.09 31
Jul1988 21.27 32
Jul2001 21.31 32
Jul1987 21.33 32
Jul2000 21.97 32
Jul2003 23.48 31

Aug2019 16.09 31
Aug2020 16.60 31
Aug1993 16.67 32
Aug1982 16.87 2
Aug2018 17.04 31
Aug2017 17.18 31
Aug1991 17.32 32
Aug1983 17.34 1
Aug1996 17.93 31
Aug1997 17.96 28
Aug1998 18.29 32
Aug1994 18.45 32
Aug1984 18.70 1
Aug1985 19.33 32
Aug1992 19.34 32
Aug1986 19.43 19
Aug2002 19.52 1
Aug1990 19.69 32
Aug1995 19.77 17
Aug2021 20.06 31
Aug1999 20.15 31
Aug1989 21.45 32
Aug1987 21.63 31
Aug2001 21.63 32
Aug1988 21.79 32
Aug2000 21.97 32
Aug2003 23.78 32

Sep2019 16.97 30
Sep1993 17.24 31
Sep1982 17.45 1
Sep2018 17.55 30
Sep2020 17.55 30
Sep1991 17.86 30
Sep1997 18.05 30
Sep2017 18.05 30
Sep2016 18.20 1
Sep1996 18.22 31
Sep1990 18.42 30
Sep1994 18.79 30
Sep1998 18.85 30
Sep1992 19.70 30
Sep1986 19.76 31
Sep1985 19.81 30
Sep2002 20.49 1
Sep1999 20.50 30
Sep2021 20.60 30
Sep1989 21.68 30
Sep2001 21.68 29
Sep1987 21.79 31
Sep1988 22.13 30
Sep2000 22.23 30
Sep2003 23.96 29

Oct2019 16.95 32
Oct1993 17.28 31
Oct2018 18.02 32
Oct2020 18.13 32
Oct1991 18.18 32
Oct1982 18.29 1
Oct1990 18.32 32
Oct1983 18.37 1
Oct2017 18.43 32
Oct1997 18.48 32
Oct1996 18.68 32
Oct1981 18.82 1
Oct1994 19.27 32
Oct1998 19.34 32
Oct1984 19.75 31
Oct1992 19.79 32
Oct1986 19.98 32
Oct1985 20.22 32
Oct1995 20.48 6
Oct2021 20.70 7
Oct2002 20.77 32
Oct1999 20.93 32
Oct2001 21.87 1
Oct1989 21.90 32
Oct1987 22.05 32
Oct1988 22.44 32
Oct2000 22.49 32
Oct2003 24.10 1

Nov2019 16.73 30
Nov1993 16.74 31
Nov1990 17.64 30
Nov2017 17.70 30
Nov1991 18.07 30
Nov2018 18.24 30
Nov2020 18.71 30
Nov1997 19.01 31
Nov1996 19.11 30
Nov1994 19.70 30
Nov1992 19.87 30
Nov1998 19.87 31
Nov1984 20.08 17
Nov1986 20.24 31
Nov1985 20.49 31
Nov2001 20.58 1
Nov1995 20.67 30
Nov2002 21.32 30
Nov1999 21.41 30
Nov1989 22.21 30
Nov1987 22.23 30
Nov1988 22.58 30
Nov2000 22.78 31

Dec1990 16.13 32
Dec1993 16.76 31
Dec2019 16.98 31
Dec2017 17.50 31
Dec2018 17.70 31
Dec1991 17.80 32
Dec1982 18.44 1
Dec1981 18.83 1
Dec1992 19.14 32
Dec2020 19.25 31
Dec1996 19.26 32
Dec1985 19.27 32
Dec1997 19.51 31
Dec1983 19.52 1
Dec1994 19.88 32
Dec1986 20.34 31
Dec1998 20.36 31
Dec1995 20.89 32
Dec1999 21.84 32
Dec2002 21.85 32
Dec1988 22.21 31
Dec1987 22.39 32
Dec1989 22.50 32
Dec2000 22.99 14


Source: (dbo.sp_MonthYearStats20100317a)
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  • 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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Last update: Monday, March 8, 2021 at 12:26
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