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Period of Record Monthly Statistics for 310453092022902 - Av-177
Annual monthly statistics of approved data for all data types.
Report date: 5/26/2019 7:38:27 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     Jan1976 36.25 1
 2     Jan1975 36.27 1
 3     Jan1968 37.78 1
 4     Jan1972 37.89 1
 5     Jan1973 38.06 1
 6     Jan1971 38.28 1
 7     Jan1967 38.34 1
 8     Jan1969 38.96 1
 9     Jan1985 39.00 1
10    Jan2017 40.18 1
11    Jan2016 40.57 1
12    Jan2015 41.13 1
Jan Median = 38.31      12 month-years    

 1     Feb1974 35.33 1
 2     Feb1967 38.12 1
 3     Feb1970 38.26 1
 4     Feb2018 39.42 1

 1     Mar1977 37.12 1
 2     Mar1969 37.15 1
 3     Mar1972 37.20 1
 4     Mar1978 37.24 1
 5     Mar1971 37.51 1
 6     Mar1980 37.53 1
 7     Mar1967 37.77 1
 8     Mar1979 38.25 1
 9     Mar1986 38.26 1
10    Mar1984 38.40 1
11    Mar1987 38.94 1
12    Mar1983 39.06 1
13    Mar2019 39.40 1
14    Mar1981 39.63 1
15    Mar1982 40.09 1
Mar Median = 38.25      15 month-years    

 1     Apr1975 34.30 1
 2     Apr1973 34.68 1
 3     Apr1974 35.13 1
 4     Apr1976 35.66 1
 5     Apr2018 38.81 1
 6     Apr2019 39.25 1
 7     Apr2016 39.49 1
 8     Apr2015 40.42 1

 1     May1980 36.98 1
 2     May1968 37.10 1
 3     May1970 37.60 1
 4     May1985 38.47 1
 5     May1983 38.60 1
 6     May2017 39.31 1
 7     May1981 39.49 1
 8     May1982 39.88 1

 1     Jun1975 34.71 1
 2     Jun1976 36.33 1
 3     Jun1977 37.06 1
 4     Jun1979 37.07 1
 5     Jun1969 37.15 1
 6     Jun1971 37.37 1
 7     Jun1967 37.50 1
 8     Jun1978 37.57 1
 9     Jun1966 37.80 2
10    Jun1972 38.00 1
11    Jun1984 38.46 1
12    Jun2014 41.39 1
Jun Median = 37.4      12 month-years    

 1     Jul1973 35.10 1
 2     Jul1974 36.15 1
 3     Jul1966 38.44 1
 4     Jul1986 38.46 1
 5     Jul2017 39.38 1
 6     Jul2018 40.07 1
 7     Jul2015 40.40 1
 8     Jul2016 40.41 1
 9     Jul2014 41.30 1

 1     Aug2001 37.45 1
 2     Aug1987 38.36 1
 3     Aug1966 38.68 1
 4     Aug1986 39.16 1

 1     Sep1976 37.22 1
 2     Sep1989 37.60 1
 3     Sep1978 37.98 1
 4     Sep1977 38.00 1
 5     Sep1967 38.44 1
 6     Sep1979 38.44 1
 7     Sep1983 38.95 1
 8     Sep1980 38.98 1
 9     Sep1966 39.05 1
10    Sep1985 39.42 1
11    Sep2017 39.45 1
12    Sep1986 39.51 1
13    Sep1982 40.02 1
14    Sep1984 40.08 1
15    Sep1981 40.59 1
Sep Median = 38.98      15 month-years    

 1     Oct1975 36.24 1
 2     Oct1973 36.49 1
 3     Oct1974 37.61 1
 4     Oct1968 38.57 1
 5     Oct1969 38.64 1
 6     Oct1971 38.80 1
 7     Oct1966 39.06 1
 8     Oct1970 39.26 1
 9     Oct1972 39.73 1
10    Oct2017 40.00 1
11    Oct2016 40.37 1
12    Oct2018 40.93 1
13    Oct2014 41.52 1
14    Oct2015 41.73 1
Oct Median = 39.16      14 month-years    

 1     Nov1993 38.45 1
 2     Nov1989 38.55 1
 3     Nov1966 38.99 1
 4     Nov1987 39.12 1
 1     Dec1977 37.47 1
 2     Dec1976 37.87 1
 3     Dec1978 38.08 1
 4     Dec1979 38.28 1
 5     Dec1966 38.58 1
 6     Dec1986 39.20 1
 7     Dec1983 39.26 1
 8     Dec1980 39.67 1
 9     Dec1985 40.04 1
10    Dec1982 40.79 1
11    Dec1981 40.90 1
Dec Median = 39.2      11 month-years    

Source: (dbo.sp_MonthYearStats20100317a) - SPC - 1 - lev_va - Comp date: 5/26/2019 7:38:39 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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