SWAN LAKE, MISSISSIPPI

Monthly Total Precipitation (inches)

(228591)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 200008
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1905 0.00 z 0.00 z 0.00 z 6.63 8.91 t 5.66 6.21 0.00 z 0.00 z 2.33 3.59 3.24 y 24.42
1906 4.35 1.00 4.05 1.13 7.32 u 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 11.90 5.02 27.45
1907 0.00 z 0.82 y 5.80 z 5.19 l 9.24 r 1.50 s 1.85 0.00 z 2.94 w 0.00 z 5.00 5.81 12.66
1908 3.60 11.10 5.20 5.68 5.98 2.30 6.20 1.48 y 0.95 0.00 3.85 5.50 z 44.86
1909 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1910 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1911 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1912 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1913 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1914 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1915 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1916 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1917 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1918 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1919 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1920 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1921 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1922 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1923 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1924 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1925 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1926 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1927 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1928 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1929 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1930 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1931 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1932 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1933 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1934 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1935 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1936 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1937 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1938 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1939 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1940 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1941 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1942 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1943 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1944 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1945 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1946 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1947 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1948 1.63 b 9.86 a 8.19 a 4.27 2.17 3.77 3.38 a 7.23 1.70 0.37 12.46 b 3.58 58.61
1949 9.18 c 1.43 f 5.24 a 3.47 5.66 7.66 3.86 3.78 0.18 7.77 a 0.56 f 2.80 b 49.60
1950 4.73 b 2.97 i 9.15 a 2.13 a 6.58 3.30 6.39 3.05 a 2.56 c 1.52 1.59 b 6.48 47.48
1951 9.74 2.10 a 4.94 4.35 b 1.04 a 3.31 a 3.36 0.52 b 2.51 b 0.28 4.46 5.98 a 42.59
1952 3.93 3.36 2.78 a 5.99 2.64 0.99 1.83 a 1.24 1.04 0.00 2.96 4.49 31.25
1953 2.99 6.65 6.25 6.46 6.61 a 0.00 2.22 0.91 b 0.93 0.66 1.51 3.20 b 38.39
1954 5.05 2.00 1.20 5.47 a 6.43 0.84 2.55 a 1.40 1.65 1.31 2.86 3.64 34.40
1955 3.12 5.72 7.37 8.59 4.92 3.42 5.68 3.15 2.16 0.79 2.34 2.39 49.65
1956 2.19 11.93 3.80 4.32 2.12 2.21 0.85 0.60 0.56 1.64 2.85 4.13 37.20
1957 9.38 8.61 3.62 8.15 5.35 8.48 a 5.72 4.46 10.98 7.13 11.00 a 2.75 85.63
1958 3.05 2.36 5.84 6.41 b 2.40 f 5.86 17.10 2.08 11.56 2.22 6.40 1.08 63.96
1959 3.69 4.07 4.48 4.46 2.72 3.02 7.63 3.61 4.80 c 1.89 3.39 4.97 48.73
1960 6.03 2.97 4.81 a 2.42 2.96 2.15 1.36 2.69 2.22 5.52 4.04 5.15 42.32
1961 2.28 10.94 11.74 3.75 4.90 6.00 6.29 2.04 2.88 1.45 11.94 10.41 74.62
1962 8.47 4.99 2.79 6.05 4.41 3.38 3.21 4.80 3.80 1.57 2.22 3.66 49.35
1963 2.10 2.58 7.47 a 5.28 1.64 4.92 8.02 0.66 0.86 0.00 2.99 5.22 41.74
1964 3.61 2.67 6.53 8.90 1.72 2.36 7.30 3.75 3.50 1.15 4.38 4.37 50.24
1965 2.31 6.72 6.95 2.42 2.48 0.89 3.36 1.92 4.24 1.40 1.01 1.65 35.35
1966 3.37 7.20 1.24 3.39 4.13 0.52 4.04 1.89 3.93 3.66 0.84 7.96 42.17
1967 1.18 2.87 3.77 6.25 7.06 1.66 2.89 4.23 0.59 1.48 1.96 7.22 41.16
1968 9.17 2.49 5.14 8.15 8.35 0.44 3.52 2.04 5.38 2.39 8.21 6.66 61.94
1969 3.03 3.92 4.10 7.44 1.54 4.07 2.73 4.05 2.14 1.79 7.86 8.70 51.37
1970 1.85 a 4.51 9.43 10.26 2.38 5.11 2.18 5.68 0.60 7.81 2.50 4.84 57.15
1971 4.39 7.32 6.02 4.31 4.91 6.87 7.94 3.10 2.12 0.82 1.89 6.45 56.14
1972 7.14 1.17 6.17 6.06 3.90 5.71 6.28 1.31 4.60 2.73 8.56 7.73 61.36
1973 8.40 3.42 15.00 9.68 6.33 5.48 6.71 3.64 1.00 3.15 12.23 5.73 80.77
1974 13.29 3.63 2.96 6.34 7.43 9.61 5.53 2.98 4.62 3.05 4.20 5.93 69.57
1975 5.39 8.64 12.40 4.06 6.74 4.09 4.36 5.61 3.95 2.15 4.82 2.13 f 62.21
1976 5.29 5.89 6.56 2.39 2.96 4.44 2.06 0.33 3.44 4.74 2.43 3.21 43.74
1977 2.34 c 2.09 5.81 4.12 1.78 2.31 0.91 2.04 5.51 2.76 10.56 2.49 42.72
1978 3.81 a 1.08 t 1.80 1.65 11.92 4.18 b 2.73 2.72 1.70 0.71 4.57 1.68 h 35.79
1979 7.55 h 4.78 7.08 9.12 8.10 3.59 6.12 2.77 5.00 0.00 z 0.00 z 0.00 z 46.56
1980 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1981 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1982 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.76 3.41 4.88 4.11 18.81 36.97
1983 4.31 e 6.99 4.63 7.05 7.42 3.76 0.45 p 1.62 v 0.00 z 0.00 z 0.00 z 0.00 z 34.16
1984 0.00 z 0.00 z 0.00 z 6.63 8.22 1.02 2.54 2.82 0.00 12.61 5.53 0.22 z 39.37
1985 2.78 a 2.58 a 3.72 4.88 1.96 3.64 2.64 5.95 3.58 5.57 2.40 2.79 a 42.49
1986 0.30 1.55 2.08 2.22 3.83 7.40 0.35 4.04 3.27 6.37 13.02 3.77 48.20
1987 2.99 6.43 4.92 2.29 5.52 5.93 3.76 0.48 0.60 0.34 8.78 5.97 48.01
1988 3.10 1.61 5.27 4.87 0.76 0.00 3.46 1.86 6.02 6.59 4.91 3.73 42.18
1989 8.72 7.35 b 3.47 2.62 8.85 13.90 13.83 1.00 5.83 0.37 6.72 3.10 a 75.76
1990 5.30 8.01 7.13 4.09 5.91 3.68 1.38 1.83 3.21 3.58 3.80 14.11 a 62.03
1991 2.06 12.86 6.04 17.58 a 7.18 2.01 7.34 2.27 5.13 5.78 3.93 8.46 80.64
1992 2.78 g 2.74 a 4.85 3.28 0.80 8.27 4.27 3.96 1.10 1.64 b 5.66 4.34 40.91
1993 3.54 2.23 2.69 5.32 a 3.81 a 4.45 a 0.12 5.60 2.45 1.88 2.70 5.45 40.24
1994 6.65 5.64 6.94 1.37 a 4.03 7.66 13.07 1.79 3.42 5.41 4.40 0.00 z 60.38
1995 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.95 0.37 2.75 3.08 8.51 16.66
1996 4.20 1.58 a 3.94 7.83 1.30 5.73 3.77 2.62 d 2.40 b 1.90 6.24 a 3.08 h 41.51
1997 6.44 4.84 7.14 3.84 a 5.00 9.89 4.12 4.95 3.86 5.15 2.71 3.24 61.18
1998 4.36 5.12 3.66 2.62 2.60 1.59 0.61 0.06 1.34 1.34 1.33 4.38 29.01
1999 8.34 0.93 b 3.18 2.91 2.68 0.46 c 1.28 0.51 0.79 b 1.89 2.10 0.00 z 25.07
2000 0.00 z 0.00 z 4.56 h 8.25 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 8.25
Period of Record Statistics
MEAN 4.75 4.96 5.50 5.33 4.54 4.16 4.50 2.81 3.01 2.89 5.00 5.46 51.61
S.D. 2.76 3.13 2.75 2.89 2.54 2.90 3.39 1.73 2.38 2.58 3.36 3.21 14.74
SKEW 0.97 0.80 1.22 1.50 0.51 0.92 1.65 0.49 1.60 1.46 1.07 2.09 0.74
MAX 13.29 12.86 15.00 17.58 11.92 13.90 17.10 7.23 11.56 12.61 13.02 18.81 85.63
MIN 0.30 0.93 1.20 1.13 0.76 0.00 0.12 0.06 0.00 0.00 0.84 1.08 29.01
NO YRS 47 46 49 52 48 50 50 49 50 50 51 44 36